Frame Attachment Welds May Fracture – 2019-2020 STE Wurl Turner Trailers

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Page 1 of 14 21V-959 ISR.001 REV. 0 12/2/2021 IMPORTANT SAFETY RECALL This notice applies to your vehicle. Attn: Owner K.A. Steel Chemicals, Inc. 15185 Main St Lemont, IL, 60439-2722 Dear Owner, This notice is sent to you in accordance with the National Traffic and Motor Vehicle Safety Act. What is the reason for this notice? Stainless Tank and Equipment Co., LLC. (STE) has determined that a potential defect relating to motor vehicle safety exists in certain 2019-2020 model year Trailers. Only a small fraction STE trailers are affected as identified below in Table 1. The potential defect in these vehicles could result in a separation of the upper coupler. Specifically, in some vehicles, the front coupler frame may exhibit cracking. If the cracking is not identified during routine inspections and left to propagate, separation of the upper coupler from the trailer is a possibility. Separation of the trailer from the prime mover may lead to serious injury or fatality to you or others in or around the vehicle. No separations have occurred to date. What should you do? 1. The units identified below must be removed from service immediately. Removal of the upper coupler is necessary for inspection and to ensure that the units can be moved safely to an approved service center for remedy. Refer to Technical Service Bulletin TSB.007 for inspection process, condition assessment, and temporary repair instruction. 2. Schedule an appointment with an approved service center for application of the remedy. The remedy parts needed to conduct the recall will be issued to an approved service center for installation. The repair will be made at no charge for vehicles scheduled with and delivered to an approved service center on or before December 1, 2022. Who are the approved service centers? Stainless Tank and Equipment Co., LLC. 801 Fourth Street Beloit, Wisconsin 53511 Phone: 1 (608) 313-8039 Siouxland Trailer Sales 3535 East 28th Street Sioux City, IA 51105 Phone: 1 (800) 274-2364 Page 2 of 14 21V-959 ISR.001 REV. 0 12/2/2021 B&R Repair 9903 Jeans Road Lemont, IL 60439 Phone: 1 (630) 325-3443 HY-TEC 51 Industrial Circle Lancaster, PA 17601 Phone: 1 (717) 656-4329 What does the remedy consist of? The trailer’s front frame will be removed and replaced with new parts. The scheduled repair is estimated to take approximately 3 business days to complete. Who to contact if you experience problems? If you believe that the approved service centers have failed or are unable to remedy the defect in your vehicle, without charge, within 60 days from the date you first contact the approved service center for a repair appointment you may submit a complaint to: Administrator National Highway Traffic Safety Administration 1200 New Jersey Ave. SE. Washington, DC 20590 Alternatively, you may call the toll-free Vehicle Safety Hotline at 1-888-327-4236 (TTY: 1-800-424-9153); or go to http://www.safercar.gov TABLE 1 – Vehicle listing. This notice applies to the following vehicles. Serial # VIN 12312 1S9T74222K0 12314 1S9T74226K0 Page 2 of 14 21V-959 ISR.001 REV. 0 12/2/2021 IMPORTANT SAFETY RECALL This notice applies to your vehicle. Attn: Owner Nufarm Americas Inc 220 East 17th St Chicago Heights, IL 60411 Dear Owner, This notice is sent to you in accordance with the National Traffic and Motor Vehicle Safety Act. What is the reason for this notice? Stainless Tank and Equipment Co., LLC. (STE) has determined that a potential defect relating to motor vehicle safety exists in certain 2019-2020 model year Trailers. Only a small fraction STE trailers are affected as identified below in Table 1. The potential defect in these vehicles could result in a separation of the upper coupler. Specifically, in some vehicles, the front coupler frame may exhibit cracking. If the cracking is not identified during routine inspections and left to propagate, separation of the upper coupler from the trailer is a possibility. Separation of the trailer from the prime mover may lead to serious injury or fatality to you or others in or around the vehicle. No separations have occurred to date. What should you do? 1. The units identified below must be removed from service immediately. Removal of the upper coupler is necessary for inspection and to ensure that the units can be moved safely to an approved service center for remedy. Refer to Technical Service Bulletin TSB.007 for inspection process, condition assessment, and temporary repair instruction. 2. Schedule an appointment with an approved service center for application of the remedy. The remedy parts needed to conduct the recall will be issued to an approved service center for installation. The repair will be made at no charge for vehicles scheduled with and delivered to an approved service center on or before December 1, 2022. Who are the approved service centers? Stainless Tank and Equipment Co., LLC. 801 Fourth Street Beloit, Wisconsin 53511 Phone: 1 (608) 313-8039 Siouxland Trailer Sales 3535 East 28th Street Sioux City, IA 51105 Phone: 1 (800) 274-2364 Page 2 of 14 21V-959 ISR.001 REV. 0 12/2/2021 B&R Repair 9903 Jeans Road Lemont, IL 60439 Phone: 1 (630) 325-3443 HY-TEC 51 Industrial Circle Lancaster, PA 17601 Phone: 1 (717) 656-4329 What does the remedy consist of? The trailer’s front frame will be removed and replaced with new parts. The scheduled repair is estimated to take approximately 3 business days to complete. Who to contact if you experience problems? If you believe that the approved service centers have failed or are unable to remedy the defect in your vehicle, without charge, within 60 days from the date you first contact the approved service center for a repair appointment you may submit a complaint to: Administrator National Highway Traffic Safety Administration 1200 New Jersey Ave. SE. Washington, DC 20590 Alternatively, you may call the toll-free Vehicle Safety Hotline at 1-888-327-4236 (TTY: 1-800-424-9153); or go to http://www.safercar.gov TABLE 1 – Vehicle listing. This notice applies to the following vehicles. Serial # VIN 12280 1S9T74224K0 12281 1S9T74226K0 12282 1S9T74228K0 12283 1S9T7422XK0 12284 1S9T74221K0 12285 1S9T74223K0 12286 1S9T74225K0 12287 1S9T74227K0 12288 1S9T74229K0 12289 1S9T74220K0 12290 1S9T74227K0 Page 2 of 14 21V-959 ISR.001 REV. 0 12/2/2021 IMPORTANT SAFETY RECALL This notice applies to your vehicle. Attn: Owner Old World Logistics 605 W Crossroads Pkwy Bolingbrook, IL 60440 Dear Owner, This notice is sent to you in accordance with the National Traffic and Motor Vehicle Safety Act. What is the reason for this notice? Stainless Tank and Equipment Co., LLC. (STE) has determined that a potential defect relating to motor vehicle safety exists in certain 2019-2020 model year Trailers. Only a small fraction STE trailers are affected as identified below in Table 1. The potential defect in these vehicles could result in a separation of the upper coupler. Specifically, in some vehicles, the front coupler frame may exhibit cracking. If the cracking is not identified during routine inspections and left to propagate, separation of the upper coupler from the trailer is a possibility. Separation of the trailer from the prime mover may lead to serious injury or fatality to you or others in or around the vehicle. No separations have occurred to date. What should you do? 1. The units identified below must be removed from service immediately. Removal of the upper coupler is necessary for inspection and to ensure that the units can be moved safely to an approved service center for remedy. Refer to Technical Service Bulletin TSB.007 for inspection process, condition assessment, and temporary repair instruction. 2. Schedule an appointment with an approved service center for application of the remedy. The remedy parts needed to conduct the recall will be issued to an approved service center for installation. The repair will be made at no charge for vehicles scheduled with and delivered to an approved service center on or before December 1, 2022. Who are the approved service centers? Stainless Tank and Equipment Co., LLC. 801 Fourth Street Beloit, Wisconsin 53511 Phone: 1 (608) 313-8039 Siouxland Trailer Sales 3535 East 28th Street Sioux City, IA 51105 Phone: 1 (800) 274-2364 Page 2 of 14 21V-959 ISR.001 REV. 0 12/2/2021 B&R Repair 9903 Jeans Road Lemont, IL 60439 Phone: 1 (630) 325-3443 HY-TEC 51 Industrial Circle Lancaster, PA 17601 Phone: 1 (717) 656-4329 What does the remedy consist of? The trailer’s front frame will be removed and replaced with new parts. The scheduled repair is estimated to take approximately 3 business days to complete. Who to contact if you experience problems? If you believe that the approved service centers have failed or are unable to remedy the defect in your vehicle, without charge, within 60 days from the date you first contact the approved service center for a repair appointment you may submit a complaint to: Administrator National Highway Traffic Safety Administration 1200 New Jersey Ave. SE. Washington, DC 20590 Alternatively, you may call the toll-free Vehicle Safety Hotline at 1-888-327-4236 (TTY: 1-800-424-9153); or go to http://www.safercar.gov TABLE 1 – Vehicle listing. This notice applies to the following vehicles. Serial # VIN 20167 1S9T74225L0 20168 1S9T74227L0 20169 1S9T7422XL0 20204 1S9T74228L0 Page 2 of 14 21V-959 ISR.001 REV. 0 12/2/2021 IMPORTANT SAFETY RECALL This notice applies to your vehicle. Attn: Owner Pro Link Leasing P O BOX 157 990 6TH ST SW LE MARS, IA, 51031-015 Dear Owner, This notice is sent to you in accordance with the National Traffic and Motor Vehicle Safety Act. What is the reason for this notice? Stainless Tank and Equipment Co., LLC. (STE) has determined that a potential defect relating to motor vehicle safety exists in certain 2019-2020 model year Trailers. Only a small fraction STE trailers are affected as identified below in Table 1. The potential defect in these vehicles could result in a separation of the upper coupler. Specifically, in some vehicles, the front coupler frame may exhibit cracking. If the cracking is not identified during routine inspections and left to propagate, separation of the upper coupler from the trailer is a possibility. Separation of the trailer from the prime mover may lead to serious injury or fatality to you or others in or around the vehicle. No separations have occurred to date. What should you do? 1. The units identified below must be removed from service immediately. Removal of the upper coupler is necessary for inspection and to ensure that the units can be moved safely to an approved service center for remedy. Refer to Technical Service Bulletin TSB.007 for inspection process, condition assessment, and temporary repair instruction. 2. Schedule an appointment with an approved service center for application of the remedy. The remedy parts needed to conduct the recall will be issued to an approved service center for installation. The repair will be made at no charge for vehicles scheduled with and delivered to an approved service center on or before December 1, 2022. Who are the approved service centers? Stainless Tank and Equipment Co., LLC. 801 Fourth Street Beloit, Wisconsin 53511 Phone: 1 (608) 313-8039 Siouxland Trailer Sales 3535 East 28th Street Sioux City, IA 51105 Phone: 1 (800) 274-2364 Page 2 of 14 21V-959 ISR.001 REV. 0 12/2/2021 B&R Repair 9903 Jeans Road Lemont, IL 60439 Phone: 1 (630) 325-3443 HY-TEC 51 Industrial Circle Lancaster, PA 17601 Phone: 1 (717) 656-4329 What does the remedy consist of? The trailer’s front frame will be removed and replaced with new parts. The scheduled repair is estimated to take approximately 3 business days to complete. Who to contact if you experience problems? If you believe that the approved service centers have failed or are unable to remedy the defect in your vehicle, without charge, within 60 days from the date you first contact the approved service center for a repair appointment you may submit a complaint to: Administrator National Highway Traffic Safety Administration 1200 New Jersey Ave. SE. Washington, DC 20590 Alternatively, you may call the toll-free Vehicle Safety Hotline at 1-888-327-4236 (TTY: 1-800-424-9153); or go to http://www.safercar.gov TABLE 1 – Vehicle listing. This notice applies to the following vehicles. Serial # VIN 20052 1S9T04225L0 Page 2 of 14 21V-959 ISR.001 REV. 0 12/2/2021 IMPORTANT SAFETY RECALL This notice applies to your vehicle. Attn: Owner Way N Tray Trucking 3637 US 401 S. Lillington, NC 27546 Dear Owner, This notice is sent to you in accordance with the National Traffic and Motor Vehicle Safety Act. What is the reason for this notice? Stainless Tank and Equipment Co., LLC. (STE) has determined that a potential defect relating to motor vehicle safety exists in certain 2019-2020 model year Trailers. Only a small fraction STE trailers are affected as identified below in Table 1. The potential defect in these vehicles could result in a separation of the upper coupler. Specifically, in some vehicles, the front coupler frame may exhibit cracking. If the cracking is not identified during routine inspections and left to propagate, separation of the upper coupler from the trailer is a possibility. Separation of the trailer from the prime mover may lead to serious injury or fatality to you or others in or around the vehicle. No separations have occurred to date. What should you do? 1. The units identified below must be removed from service immediately. Removal of the upper coupler is necessary for inspection and to ensure that the units can be moved safely to an approved service center for remedy. Refer to Technical Service Bulletin TSB.007 for inspection process, condition assessment, and temporary repair instruction. 2. Schedule an appointment with an approved service center for application of the remedy. The remedy parts needed to conduct the recall will be issued to an approved service center for installation. The repair will be made at no charge for vehicles scheduled with and delivered to an approved service center on or before December 1, 2022. Who are the approved service centers? Stainless Tank and Equipment Co., LLC. 801 Fourth Street Beloit, Wisconsin 53511 Phone: 1 (608) 313-8039 Siouxland Trailer Sales 3535 East 28th Street Sioux City, IA 51105 Phone: 1 (800) 274-2364 Page 2 of 14 21V-959 ISR.001 REV. 0 12/2/2021 B&R Repair 9903 Jeans Road Lemont, IL 60439 Phone: 1 (630) 325-3443 HY-TEC 51 Industrial Circle Lancaster, PA 17601 Phone: 1 (717) 656-4329 What does the remedy consist of? The trailer’s front frame will be removed and replaced with new parts. The scheduled repair is estimated to take approximately 3 business days to complete. Who to contact if you experience problems? If you believe that the approved service centers have failed or are unable to remedy the defect in your vehicle, without charge, within 60 days from the date you first contact the approved service center for a repair appointment you may submit a complaint to: Administrator National Highway Traffic Safety Administration 1200 New Jersey Ave. SE. Washington, DC 20590 Alternatively, you may call the toll-free Vehicle Safety Hotline at 1-888-327-4236 (TTY: 1-800-424-9153); or go to http://www.safercar.gov TABLE 1 – Vehicle listing. This notice applies to the following vehicles. Serial # VIN 20196 1S9T04227L0 Page 2 of 14 21V-959 ISR.001 REV. 0 12/2/2021 IMPORTANT SAFETY RECALL This notice applies to your vehicle. Attn: Owner Winco Trucking LLC 203 S 1ST St Lufkin, TX, 75901-3825 Dear Owner, This notice is sent to you in accordance with the National Traffic and Motor Vehicle Safety Act. What is the reason for this notice? Stainless Tank and Equipment Co., LLC. (STE) has determined that a potential defect relating to motor vehicle safety exists in certain 2019-2020 model year Trailers. Only a small fraction STE trailers are affected as identified below in Table 1. The potential defect in these vehicles could result in a separation of the upper coupler. Specifically, in some vehicles, the front coupler frame may exhibit cracking. If the cracking is not identified during routine inspections and left to propagate, separation of the upper coupler from the trailer is a possibility. Separation of the trailer from the prime mover may lead to serious injury or fatality to you or others in or around the vehicle. No separations have occurred to date. What should you do? 1. The units identified below must be removed from service immediately. Removal of the upper coupler is necessary for inspection and to ensure that the units can be moved safely to an approved service center for remedy. Refer to Technical Service Bulletin TSB.007 for inspection process, condition assessment, and temporary repair instruction. 2. Schedule an appointment with an approved service center for application of the remedy. The remedy parts needed to conduct the recall will be issued to an approved service center for installation. The repair will be made at no charge for vehicles scheduled with and delivered to an approved service center on or before December 1, 2022. Who are the approved service centers? Stainless Tank and Equipment Co., LLC. 801 Fourth Street Beloit, Wisconsin 53511 Phone: 1 (608) 313-8039 Siouxland Trailer Sales 3535 East 28th Street Sioux City, IA 51105 Phone: 1 (800) 274-2364 Page 2 of 14 21V-959 ISR.001 REV. 0 12/2/2021 B&R Repair 9903 Jeans Road Lemont, IL 60439 Phone: 1 (630) 325-3443 HY-TEC 51 Industrial Circle Lancaster, PA 17601 Phone: 1 (717) 656-4329 What does the remedy consist of? The trailer’s front frame will be removed and replaced with new parts. The scheduled repair is estimated to take approximately 3 business days to complete. Who to contact if you experience problems? If you believe that the approved service centers have failed or are unable to remedy the defect in your vehicle, without charge, within 60 days from the date you first contact the approved service center for a repair appointment you may submit a complaint to: Administrator National Highway Traffic Safety Administration 1200 New Jersey Ave. SE. Washington, DC 20590 Alternatively, you may call the toll-free Vehicle Safety Hotline at 1-888-327-4236 (TTY: 1-800-424-9153); or go to http://www.safercar.gov TABLE 1 – Vehicle listing. This notice applies to the following vehicles. Serial # VIN 20046 1S9T0422XL0 Page 2 of 14 21V-959 ISR.001 REV. 0 12/2/2021 IMPORTANT SAFETY RECALL This notice applies to your vehicle. Attn: Owner Windstar 1211 hwy 30 west Carroll, IA 51401 Dear Owner, This notice is sent to you in accordance with the National Traffic and Motor Vehicle Safety Act. What is the reason for this notice? Stainless Tank and Equipment Co., LLC. (STE) has determined that a potential defect relating to motor vehicle safety exists in certain 2019-2020 model year Trailers. Only a small fraction STE trailers are affected as identified below in Table 1. The potential defect in these vehicles could result in a separation of the upper coupler. Specifically, in some vehicles, the front coupler frame may exhibit cracking. If the cracking is not identified during routine inspections and left to propagate, separation of the upper coupler from the trailer is a possibility. Separation of the trailer from the prime mover may lead to serious injury or fatality to you or others in or around the vehicle. No separations have occurred to date. What should you do? 1. The units identified below must be removed from service immediately. Removal of the upper coupler is necessary for inspection and to ensure that the units can be moved safely to an approved service center for remedy. Refer to Technical Service Bulletin TSB.007 for inspection process, condition assessment, and temporary repair instruction. 2. Schedule an appointment with an approved service center for application of the remedy. The remedy parts needed to conduct the recall will be issued to an approved service center for installation. The repair will be made at no charge for vehicles scheduled with and delivered to an approved service center on or before December 1, 2022. Who are the approved service centers? Stainless Tank and Equipment Co., LLC. 801 Fourth Street Beloit, Wisconsin 53511 Phone: 1 (608) 313-8039 Siouxland Trailer Sales 3535 East 28th Street Sioux City, IA 51105 Phone: 1 (800) 274-2364 Page 2 of 14 21V-959 ISR.001 REV. 0 12/2/2021 B&R Repair 9903 Jeans Road Lemont, IL 60439 Phone: 1 (630) 325-3443 HY-TEC 51 Industrial Circle Lancaster, PA 17601 Phone: 1 (717) 656-4329 What does the remedy consist of? The trailer’s front frame will be removed and replaced with new parts. The scheduled repair is estimated to take approximately 3 business days to complete. Who to contact if you experience problems? If you believe that the approved service centers have failed or are unable to remedy the defect in your vehicle, without charge, within 60 days from the date you first contact the approved service center for a repair appointment you may submit a complaint to: Administrator National Highway Traffic Safety Administration 1200 New Jersey Ave. SE. Washington, DC 20590 Alternatively, you may call the toll-free Vehicle Safety Hotline at 1-888-327-4236 (TTY: 1-800-424-9153); or go to http://www.safercar.gov TABLE 1 – Vehicle listing. This notice applies to the following vehicles. Serial # VIN 20099 1S9T04229L0

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Page 1 of 28 21V-959 ISR.001 REV. 0 12/2/2021 IMPORTANT SAFETY RECALL This notice applies to your vehicle. Dear , This notice is sent to you in accordance with the National Traffic and Motor Vehicle Safety Act. What is the reason for this notice? Stainless Tank and Equipment Co., LLC. (STE) has determined that a potential defect relating to motor vehicle safety exists in certain 2019-2020 model year Trailers. Only a small fraction STE trailers are affected as identified below in Table 1. The potential defect in these vehicles could result in a separation of the upper coupler. Specifically, in some vehicles, the front coupler frame may exhibit cracking. If the cracking is not identified during routine inspections and left to propagate, separation of the upper coupler from the trailer is a possibility. Separation of the trailer from the prime mover may lead to serious injury or fatality to you or others in or around the vehicle. No separations have occurred to date. What should you do? 1. The units identified below must be removed from service immediately. Removal of the upper coupler is necessary for inspection and to ensure that the units can be moved safely to an approved service center for remedy. Refer to Technical Service Bulletin TSB.007 for inspection process, condition assessment, and temporary repair instruction. 2. Schedule an appointment with an approved service center for application of the remedy. The remedy parts needed to conduct the recall will be issued to an approved service center for installation. The repair will be made at no charge for vehicles scheduled with and delivered to an approved service center on or before December 1, 2022. Who are the approved service centers? Stainless Tank and Equipment Co., LLC. 801 Fourth Street Beloit, Wisconsin 53511 Phone: 1 (608) 313-8039 Siouxland Trailer Sales 3535 East 28th Street Sioux City, IA 51105 Phone: 1 (800) 274-2364 Page 2 of 28 21V-959 ISR.001 REV. 0 12/2/2021 What does the remedy consist of? The trailer’s front frame will be removed and replaced with new parts. The scheduled repair is estimated to take approximately 3 business days to complete. Who to contact if you experience problems? If you believe that the approved service centers have failed or are unable to remedy the defect in your vehicle, without charge, within 60 days from the date you first contact the approved service center for a repair appointment you may submit a complaint to: Administrator National Highway Traffic Safety Administration 1200 New Jersey Ave. SE. Washington, DC 20590 Alternatively, you may call the toll-free Vehicle Safety Hotline at 1-888-327-4236 (TTY: 1-800-424-9153); or go to http://www.safercar.gov TABLE 1 – Vehicle listing. This notice applies to the following vehicles. Serial # VIN 20003 1S9T74229L0

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Page 1 of 2 21V‐959 ISR.001 REV. 0 12/2/2021 IMPORTANT SAFETY RECALL This notice applies to your vehicle. Siouxland Trailer Sales, Inc. Attn: 3535 28th St. Sioux City, IA 51105 Dear , This notice is sent to you in accordance with the National Traffic and Motor Vehicle Safety Act. What is the reason for this notice? Stainless Tank and Equipment Co., LLC. (STE) has determined that a potential defect relating to motor vehicle safety exists in certain 2019‐2020 model year Trailers. Only a small fraction STE trailers are affected as identified below in Table 1. The potential defect in these vehicles could result in a separation of the upper coupler. Specifically, in some vehicles, the front coupler frame may exhibit cracking. If the cracking is not identified during routine inspections and left to propagate, separation of the upper coupler from the trailer is a possibility. Separation of the trailer from the prime mover may lead to serious injury or fatality to you or others in or around the vehicle. No separations have occurred to date. What should you do? 1. The units identified below must be removed from service immediately. Removal of the upper coupler is necessary for inspection and to ensure that the units can be moved safely to an approved service center for remedy. Refer to Technical Service Bulletin TSB.007 for inspection process, condition assessment, and temporary repair instruction. 2. Schedule an appointment with an approved service center for application of the remedy. The remedy parts needed to conduct the recall will be issued to an approved service center for installation. The repair will be made at no charge for vehicles scheduled with and delivered to an approved service center on or before December 1, 2022. Who are the approved service centers? Stainless Tank and Equipment Co., LLC. 801 Fourth Street Beloit, Wisconsin 53511 Phone: 1 (608) 313‐8039 Siouxland Trailer Sales 3535 East 28th Street Sioux City, IA 51105 Phone: 1 (800) 274‐2364 Page 2 of 2 21V‐959 ISR.001 REV. 0 12/2/2021 Approved service centers, continued. B&R Repair 9903 Jeans Road Lemont, IL 60439 Phone: 1 (630) 325‐3443 HY‐TEC 51 Industrial Circle Lancaster, PA 17601 Phone: 1 (717) 656‐4329 What does the remedy consist of? The trailer’s front frame will be removed and replaced with new parts. The scheduled repair is estimated to take approximately 3 business days to complete. Who to contact if you experience problems? If you believe that the approved service centers have failed or are unable to remedy the defect in your vehicle, without charge, within 60 days from the date you first contact the approved service center for a repair appointment you may submit a complaint to: Administrator National Highway Traffic Safety Administration 1200 New Jersey Ave. SE. Washington, DC 20590 Alternatively, you may call the toll‐free Vehicle Safety Hotline at 1‐888‐327‐4236 (TTY: 1‐800‐424‐9153); or go to http://www.safercar.gov TABLE 1 ‐ Vehicle listing. This notice applies to the following vehicles. Serial # VIN Serial # VIN Serial # VIN 20003 1S9T74229L0 20029 1S9T0422XL0 20099 1S9T04229L0 20004 1S9T74220L0 20045 1S9T04228L0 20100 1S9T04221L0 20007 1S9T44225L0 20046 1S9T0422XL0 20101 1S9T04223L0 20008 1S9T44227L0 20047 1S9T04221L0 20102 1S9T04225L0 20009 1S9T44229L0 20048 1S9T04223L0 20103 1S9T04227L0 20010 1S9T44225L0 20049 1S9T04225L0 20104 1S9T04229L0 20011 1S9T44227L0 20050 1S9T04221L0 20105 1S9T04220L0 20017 1S9T44228L0 20051 1S9T04223L0 20106 1S9T04222L0 20018 1S9T04225L0 20052 1S9T04225L0 20107 1S9T04224L0 20019 1S9T04227L0 20053 1S9T04227L0 20108 1S9T04226L0 20020 1S9T04223L0 20054 1S9T04229L0 20138 1S9T7422XL0 20021 1S9T04225L0 20055 1S9T04220L0 20139 1S9T04226L0 20022 1S9T04227L0 20056 1S9T04222L0 20140 1S9T04222L0 20023 1S9T04229L0 20062 1S9T04228L0 20141 1S9T04224L0 20024 1S9T04220L0 20063 1S9T0422XL0 20142 1S9T04226L0 20025 1S9T04222L0 20064 1S9T04221L0 20143 1S9T04228L0 20026 1S9T04224L0 20065 1S9T04223L0 20144 1S9T0422XL0 20027 1S9T04226L0 20066 1S9T04225L0 20196 1S9T04227L0 20028 1S9T04228L0 20067 1S9T04227L0 20197 1S9T04229L0 Page 1 of 2 21V‐959 ISR.001 REV. 0 12/2/2021 IMPORTANT SAFETY RECALL This notice applies to your vehicle. Stuart Tank Sales Corp Attn: Mike O’Donell 940 E Geneva St, Elkhorn, WI 53121 Dear Mike O’Donell, This notice is sent to you in accordance with the National Traffic and Motor Vehicle Safety Act. What is the reason for this notice? Stainless Tank and Equipment Co., LLC. (STE) has determined that a potential defect relating to motor vehicle safety exists in certain 2019‐2020 model year Trailers. Only a small fraction STE trailers are affected as identified below in Table 1. The potential defect in these vehicles could result in a separation of the upper coupler. Specifically, in some vehicles, the front coupler frame may exhibit cracking. If the cracking is not identified during routine inspections and left to propagate, separation of the upper coupler from the trailer is a possibility. Separation of the trailer from the prime mover may lead to serious injury or fatality to you or others in or around the vehicle. No separations have occurred to date. What should you do? 1. The units identified below must be removed from service immediately. Removal of the upper coupler is necessary for inspection and to ensure that the units can be moved safely to an approved service center for remedy. Refer to Technical Service Bulletin TSB.007 for inspection process, condition assessment, and temporary repair instruction. 2. Schedule an appointment with an approved service center for application of the remedy. The remedy parts needed to conduct the recall will be issued to an approved service center for installation. The repair will be made at no charge for vehicles scheduled with and delivered to an approved service center on or before December 1, 2022. Who are the approved service centers? Stainless Tank and Equipment Co., LLC. 801 Fourth Street Beloit, Wisconsin 53511 Phone: 1 (608) 313‐8039 Siouxland Trailer Sales 3535 East 28th Street Sioux City, IA 51105 Phone: 1 (800) 274‐2364 Page 2 of 2 21V‐959 ISR.001 REV. 0 12/2/2021 Approved service centers, continued. B&R Repair 9903 Jeans Road Lemont, IL 60439 Phone: 1 (630) 325‐3443 HY‐TEC 51 Industrial Circle Lancaster, PA 17601 Phone: 1 (717) 656‐4329 What does the remedy consist of? The trailer’s front frame will be removed and replaced with new parts. The scheduled repair is estimated to take approximately 3 business days to complete. Who to contact if you experience problems? If you believe that the approved service centers have failed or are unable to remedy the defect in your vehicle, without charge, within 60 days from the date you first contact the approved service center for a repair appointment you may submit a complaint to: Administrator National Highway Traffic Safety Administration 1200 New Jersey Ave. SE. Washington, DC 20590 Alternatively, you may call the toll‐free Vehicle Safety Hotline at 1‐888‐327‐4236 (TTY: 1‐800‐424‐9153); or go to http://www.safercar.gov TABLE 1 ‐ Vehicle listing. This notice applies to the following vehicles. Serial # VIN 20030 1S9T04226L0 20031 1S9T04228L0 20032 1S9T0422XL0 20033 1S9T04221L0 20034 1S9T04223L0 20035 1S9T04225L0 20036 1S9T04227L0 20037 1S9T04229L0 20038 1S9T04220L0 20039 1S9T04222L0 Page 1 of 2 21V‐959 ISR.001 REV. 0 12/2/2021 IMPORTANT SAFETY RECALL This notice applies to your vehicle. R & G Leasing Attn: Randy May 9903 Jeans Road Lemont, IL 60439 Dear Randy May, This notice is sent to you in accordance with the National Traffic and Motor Vehicle Safety Act. What is the reason for this notice? Stainless Tank and Equipment Co., LLC. (STE) has determined that a potential defect relating to motor vehicle safety exists in certain 2019‐2020 model year Trailers. Only a small fraction STE trailers are affected as identified below in Table 1. The potential defect in these vehicles could result in a separation of the upper coupler. Specifically, in some vehicles, the front coupler frame may exhibit cracking. If the cracking is not identified during routine inspections and left to propagate, separation of the upper coupler from the trailer is a possibility. Separation of the trailer from the prime mover may lead to serious injury or fatality to you or others in or around the vehicle. No separations have occurred to date. What should you do? 1. The units identified below must be removed from service immediately. Removal of the upper coupler is necessary for inspection and to ensure that the units can be moved safely to an approved service center for remedy. Refer to Technical Service Bulletin TSB.007 for inspection process, condition assessment, and temporary repair instruction. 2. Schedule an appointment with an approved service center for application of the remedy. The remedy parts needed to conduct the recall will be issued to an approved service center for installation. The repair will be made at no charge for vehicles scheduled with and delivered to an approved service center on or before December 1, 2022. Who are the approved service centers? Stainless Tank and Equipment Co., LLC. 801 Fourth Street Beloit, Wisconsin 53511 Phone: 1 (608) 313‐8039 Siouxland Trailer Sales 3535 East 28th Street Sioux City, IA 51105 Phone: 1 (800) 274‐2364 Page 1 of 2 21V‐959 ISR.001 REV. 0 12/2/2021 Approved service centers, continued. B&R Repair 9903 Jeans Road Lemont, IL 60439 Phone: 1 (630) 325‐3443 HY‐TEC 51 Industrial Circle Lancaster, PA 17601 Phone: 1 (717) 656‐4329 What does the remedy consist of? The trailer’s front frame will be removed and replaced with new parts. The scheduled repair is estimated to take approximately 3 business days to complete. Who to contact if you experience problems? If you believe that the approved service centers have failed or are unable to remedy the defect in your vehicle, without charge, within 60 days from the date you first contact the approved service center for a repair appointment you may submit a complaint to: Administrator National Highway Traffic Safety Administration 1200 New Jersey Ave. SE. Washington, DC 20590 Alternatively, you may call the toll‐free Vehicle Safety Hotline at 1‐888‐327‐4236 (TTY: 1‐800‐424‐9153); or go to http://www.safercar.gov TABLE 1 ‐ Vehicle listing. This notice applies to the following vehicles. Serial # VIN Serial # VIN 12280 1S9T74224K0 12290 1S9T74227K0 12281 1S9T74226K0 12312 1S9T74222K0 12282 1S9T74228K0 12313 1S9T74224K0 12283 1S9T7422XK0 12314 1S9T74226K0 12284 1S9T74221K0 20111 1S9T44220L0 12285 1S9T74223K0 20112 1S9T74223L0 12286 1S9T74225K0 20167 1S9T74225L0 12287 1S9T74227K0 20168 1S9T74227L0 12288 1S9T74229K0 20169 1S9T7422XL0 12289 1S9T74220K0 20204 1S9T74228L0

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OMB Control No.: 2127-0004 Part 573 Safety Recall Report 21V-959 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : Stainless Tank and Equipment Co., LLC Submission Date : DEC 22, 2021 NHTSA Recall No. : 21V-959 Manufacturer Recall No. : Wurl Turner Manufacturer Information : Manufacturer Name : Stainless Tank and Equipment Co., LLC Address : 801 Fourth Street Beloit WI 53511 Company phone : 3689663 Population : Number of potentially involved : 87 Estimated percentage with defect : 100 % Vehicle Information : Vehicle 1 : 2019-2020 STE Wurl Turner Vehicle Type : TRAILERS Body Style : Power Train : NR Descriptive Information : Production records established the basis for determination of the recall population. The model used unique outboard mounted upper coupler members (parts: 00019351 & 00019352, hereafter referred to as member A), which are found incorporated into 14 product designs. These designs were used to produce 87 motor vehicles across model years 2019 and 2020. The recalled products front chassis structure differs from products that are not subject to the recall in that member A is not integral to the chassis structure nor is it substantially contained or captured in the structure Production Dates : SEP 19, 2018 – DEC 13, 2019 VIN Range 1 : Begin : 1S9T74224K0017280 End : 1S9T74227K0017290 Not sequential VIN Range 2 : Begin : 1S9T74222K0017312 End : 1S9T74226K0017314 Not sequential VIN Range 3 : Begin : 1S9T74229L0017003 End : 1S9T74220L0017004 Not sequential VIN Range 4 : Begin : 1S9T44225L0017007 End : 1S9T44227L0017011 Not sequential VIN Range 5 : Begin : 1S9T44228L0017017 End : 1S9T04222L0017039 Not sequential VIN Range 6 : Begin : 1S9T04228L0017045 End : 1S9T04222L0017056 Not sequential VIN Range 7 : Begin : 1S9T04228L0017062 End : 1S9T04227L0017067 Not sequential VIN Range 8 : Begin : 1S9T04229L0017099 End : 1S9T04226L0017108 Not sequential VIN Range 9 : Begin : 1S9T44220L0017111 End : 1S9T74223L0017112 Not sequential VIN Range 10 : Begin : 1S9T7422XL0017138 End : 1S9T0422XL0017144 Not sequential VIN Range 11 : Begin : 1S9T7422XL0017169 End : 1S9T7422XL0017169 Not sequential VIN Range 12 : Begin : 1S9T04227L0017196 End : 1S9T04229L0017197 Not sequential VIN Range 13 : Begin : 1S9T74228L0017204 End : 1S9T74228L0017204 Not sequential VIN Range 14 : Begin : 1S9T74225L0017967 End : 1S9T74227L0017968 Not sequential Part 573 Safety Recall Report 21V-959 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 Description of Defect : Description of the Defect : The recalled design utilizes an outboard mounted upper coupler member (member A) that is not an integral member of or substantially contained within the chassis. The outboard nature of this member results in substantial load transfers through the welds attaching it to a chassis member of lesser strength (member B). The attachment welds on the bottom of the chassis have exhibited cracking adjacent to the coupler plate. The bolster assembly cross member at this location may also suffer weld cracking on the bottom where it attaches to chassis member B. Similarly, the top attachment welds of member A may exhibit separation or incite cracking of member A at the weld terminations. Refer to figure 1 Section detail for graphical representation. FMVSS 1 : NR FMVSS 2 : NR Description of the Safety Risk : Separation of trailer upper coupler from chassis potentially increasing the risk of crash. Description of the Cause : Operational loads transferred through attachment welds to a secondary member. Identification of Any Warning that can Occur : Relative deflection of trailer frame relative to main body when coupling to tractor. Visible cracks along frame side or bottom. Separation of welds that attach the wrap jacket tie down angles to the chassis. Involved Components : Component Name 1 : Frame Component Description : Upper Coupler Frame Assembly Component Part Number : N/A Supplier Identification : Component Manufacturer Name : NR Address : NR NR Country : NR Chronology : Part 573 Safety Recall Report 21V-959 Page 3 The information contained in this report was submitted pursuant to 49 CFR §573 11/15/2021 Customer’s Dealer observed deflection of chassis and inquired whether this was known. 11/18/2021 Manufacturer’s Engineering Department requests exploratory investigation. 11/23/2021 Dealer’s service center investigated bottom of trailer chassis. Cracks observed. 11/24/2021 Photos of bottom inspection shared with manufacturers Engineer. 11/29/2021 Manufacturer’s Engineering Department requests extended investigation. 12/1/2021 Dealer’s service center investigated front of trailer chassis. Cracks and buckling observed. Photos shared with Manufacturer. Manufacturer scheduled onsite inspection of subject trailer and one additional unit of this model type. 12/3/2021 Manufacturer’s Engineer inspected two units front chassis. Both units found to be exhibiting similar degradation. 12/6/2021 Manufacturer’s Executive review deems the degradation to potentially be safety critical. Data compilation and remedy plans are drafted. 12/7/2021 Manufacturer registered for NHTSA Recall Portal access. 12/8/2021 NHTSA grants access to Manufacturer. Manufacturer’s Remedy replacement frame designed. 12/10/2021 Manufacturer submits online voluntary recall. Description of Remedy : Description of Remedy Program : Manufacturer intends to replace front frame structure. Replacement is to be performed by the STE service center or a qualified dealer service center. Recalled vehicles shall be delivered to approved service center at Owners’ expense. Approved service centers will remove subject parts from the recalled vehicles and install replacements per STE instruction. STE to produce parts and assemblies required for replacement at Manufacturer’s expense. STE approved service centers to perform installation of the replacement frame at STE’s expense. In the event that a repair has been applied to a vehicle prior to this notice but with the intent of addressing this issue it is unlikely to comply with the remedy instructions. However, for any repair made prior to this notice that is inspected by an approved service center and the approved service center certifies that the repair meets or exceeds the proposed recall repair, manufacturer will reimburse the end user for the documented and reasonable cost of the repair. How Remedy Component Differs from Recalled Component : The replacement frame is an integral design which transfers loads through components rather than being reliant on load transfer through an attachment weld as is the case for the recalled design. Identify How/When Recall Condition was Corrected in Production : The recalled model is no longer in production due to equipment and facility changes as of the end of 2019. Recall Schedule : Description of Recall Schedule : Dealers will be notified mid December 2021 and all notifications (Dealer and Owner) will be issued by early February 2022 to remain in the allotted 60 day notification period. Planned Dealer Notification Date : DEC 15, 2021 – JAN 07, 2022 Part 573 Safety Recall Report 21V-959 Page 4 The information contained in this report was submitted pursuant to 49 CFR §573 Planned Owner Notification Date : DEC 15, 2021 – FEB 04, 2022 * NR – Not Reported

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OMB Control No.: 2127-0004 Part 573 Safety Recall Report 21V-959 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : Stainless Tank and Equipment Co., LLC Submission Date : DEC 10, 2021 NHTSA Recall No. : 21V-959 Manufacturer Recall No. : Wurl Turner Manufacturer Information : Manufacturer Name : Stainless Tank and Equipment Co., LLC Address : 801 Fourth Street Beloit WI 53511 Company phone : 3689663 Population : Number of potentially involved : 87 Estimated percentage with defect : 100 % Vehicle Information : Vehicle 1 : 2019-2020 STE Wurl Turner Vehicle Type : TRAILERS Body Style : Power Train : NR Descriptive Information : Production records established the basis for determination of the recall population. The model used unique outboard mounted upper coupler members (parts: 00019351 & 00019352, hereafter referred to as member A), which are found incorporated into 14 product designs. These designs were used to produce 87 motor vehicles across model years 2019 and 2020. The recalled products front chassis structure differs from products that are not subject to the recall in that member A is not integral to the chassis structure nor is it substantially contained or captured in the structure Production Dates : SEP 19, 2018 – DEC 13, 2019 VIN Range 1 : Begin : 1S9T74224K0017280 End : 1S9T74227K0017290 Not sequential VIN Range 2 : Begin : 1S9T74222K0017312 End : 1S9T74226K0017314 Not sequential VIN Range 3 : Begin : 1S9T74229L0017003 End : 1S9T74220L0017004 Not sequential VIN Range 4 : Begin : 1S9T44225L0017007 End : 1S9T44227L0017011 Not sequential VIN Range 5 : Begin : 1S9T44228L0017017 End : 1S9T04222L0017039 Not sequential VIN Range 6 : Begin : 1S9T04228L0017045 End : 1S9T04222L0017056 Not sequential VIN Range 7 : Begin : 1S9T04228L0017062 End : 1S9T04227L0017067 Not sequential VIN Range 8 : Begin : 1S9T04229L0017099 End : 1S9T04226L0017108 Not sequential VIN Range 9 : Begin : 1S9T44220L0017111 End : 1S9T74223L0017112 Not sequential VIN Range 10 : Begin : 1S9T7422XL0017138 End : 1S9T0422XL0017144 Not sequential VIN Range 11 : Begin : 1S9T7422XL0017169 End : 1S9T7422XL0017169 Not sequential VIN Range 12 : Begin : 1S9T04227L0017196 End : 1S9T04229L0017197 Not sequential VIN Range 13 : Begin : 1S9T74228L0017204 End : 1S9T74228L0017204 Not sequential VIN Range 14 : Begin : 1S9T74225L0017967 End : 1S9T74227L0017968 Not sequential Part 573 Safety Recall Report 21V-959 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 Description of Defect : Description of the Defect : The recalled design utilizes an outboard mounted upper coupler member (member A) that is not an integral member of or substantially contained within the chassis. The outboard nature of this member results in substantial load transfers through the welds attaching it to a chassis member of lesser strength (member B). The attachment welds on the bottom of the chassis have exhibited cracking adjacent to the coupler plate. The bolster assembly cross member at this location may also suffer weld cracking on the bottom where it attaches to chassis member B. Similarly, the top attachment welds of member A may exhibit separation or incite cracking of member A at the weld terminations. Refer to figure 1 Section detail for graphical representation. FMVSS 1 : NR FMVSS 2 : NR Description of the Safety Risk : Separation of trailer upper coupler from chassis. Description of the Cause : Operational loads transferred through attachment welds to a secondary member. Identification of Any Warning that can Occur : Relative deflection of trailer frame relative to main body when coupling to tractor. Visible cracks along frame side or bottom. Separation of welds that attach the wrap jacket tie down angles to the chassis. Involved Components : Component Name 1 : NR Component Description : NR Component Part Number : NR Supplier Identification : Component Manufacturer Name : NR Address : NR NR Country : NR Chronology : 11/15/2021 Customer’s Dealer observed deflection of chassis and inquired whether this was known. Part 573 Safety Recall Report 21V-959 Page 3 The information contained in this report was submitted pursuant to 49 CFR §573 11/18/2021 Manufacturer’s Engineering Department requests exploratory investigation. 11/23/2021 Dealer’s service center investigated bottom of trailer chassis. Cracks observed. 11/24/2021 Photos of bottom inspection shared with manufacturers Engineer. 11/29/2021 Manufacturer’s Engineering Department requests extended investigation. 12/1/2021 Dealer’s service center investigated front of trailer chassis. Cracks and buckling observed. Photos shared with Manufacturer. Manufacturer scheduled onsite inspection of subject trailer and one additional unit of this model type. 12/3/2021 Manufacturer’s Engineer inspected two units front chassis. Both units found to be exhibiting similar degradation. 12/6/2021 Manufacturer’s Executive review deems the degradation to potentially be safety critical. Data compilation and remedy plans are drafted. 12/7/2021 Manufacturer registered for NHTSA Recall Portal access. 12/8/2021 NHTSA grants access to Manufacturer. Manufacturer’s Remedy replacement frame designed. 12/10/2021 Manufacturer submits online voluntary recall. Description of Remedy : Description of Remedy Program : Manufacturer intends to replace front frame structure. Replacement is to be performed by the STE service center or a qualified dealer service center. Recalled vehicles shall be delivered to approved service center at Owners’ expense. Approved service centers will remove subject parts from the recalled vehicles and install replacements per STE instruction. STE to produce parts and assemblies required for replacement at Manufacturer’s expense. STE approved service centers to perform installation of the replacement frame at STE’s expense. How Remedy Component Differs from Recalled Component : The replacement frame is an integral design which transfers loads through components rather than being reliant on load transfer through an attachment weld as is the case for the recalled design. Identify How/When Recall Condition was Corrected in Production : The recalled model is no longer in production due to equipment and facility changes as of the end of 2019. Recall Schedule : Description of Recall Schedule : Dealers will be notified mid December 2021 and all notifications (Dealer and Owner) will be issued by early February 2022 to remain in the allotted 60 day notification period. Planned Dealer Notification Date : DEC 15, 2021 – JAN 07, 2022 Planned Owner Notification Date : DEC 15, 2021 – FEB 04, 2022 * NR – Not Reported

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