Fuel Tubes May Crack and Leak Fuel – 2020-2021 KME Predator & 2020-2022 Severe Service

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kmefire.com One Industrial Complex | Nesquehoning, PA 18240 T (800) 235-3928 | P (570) 669-9461 Member of the REV Group January 27, 2022 «Customer» «Address» «City», «State» «Zip» IMPORTANT SAFETY RECALL NOTICE: 21V960 IMPORTANT SAFETY RECALL This notice applies to your vehicle(s): «VIN» Dear KME Vehicle Owner: This notice is sent to you in accordance with the requirements of the National Traffic and Motor Vehicle Safety Act. Why is a recall being conducted? KME decided that a defect which relates to motor vehicle safety exists in certain model year 2012-2022 KME vehicles manufactured from April 2019 through October 2021. Vehicles included in this recall have engine fuel tubes between the fuel rail and the injector for cylinders 4, 5, and 6 that may be susceptible to cracking, resulting in a high-pressure fuel leak. A high-pressure fuel leak in the presence of an ignition source may increase the risk of a fire. Fuel leaks may be detected during maintenance. An operator may smell fuel or observe a mist due to the fuel leak. What are we doing about the problem? Vehicles subject to this recall are to be inspected and repaired by a Cummins certified dealer or technician. The subject fuel tubes for cylinders 4, 5 and 6 will be replaced with new fuel tubes and vibration isolators will be added to the fuel tubes. There is no cost to owners for this remedy. The estimated repair time will be 2 hours. What should you do? Please contact your local Cummins Service Center to perform the remedy. You may contact Cummins customer service at (800) 286-6467. If you need further assistance with this notification, please contact your KME Dealer or KME Customer Service at (570) 669-2815. INCLUDED WITH THIS LETTER IS AN OWNER RESPONSE CARD TO BE FILLED OUT AND RETURNED TO KME. Please have your Truck VIN or GSO available. After the repair has been completed, please fill in the appropriate information on the enclosed Owner Response Postcard, sign it, and return it to: Mail: KME, One Industrial Complex, Nesquehoning, PA 18240 E-mail: [email protected] Fax: (570) 669-5182 What if you no longer own this vehicle? If you are not the current owner of the vehicle, please indicate this on the Owner Response Postcard and return the card to us. Federal law requires any lessor who receives a notification of a safety related defect or noncompliance pertaining to any leased motor vehicle shall send the notice to the lessee within 10 days. If you are no longer the owner of this vehicle, please provide us with any contact information so we may contact the new owner. If you have already paid to have your vehicle repaired for this condition, you may be eligible for reimbursement of the charges you paid for the repair or replacement of components. To learn more about what you need to do to obtain reimbursement, contact our customer service department at (570) 669-5230. If after having attempted to take advantage of this recall you believe you have not been able to have your vehicle remedied without charge and within a reasonable amount of time, you may submit a complaint to the Administrator, National Highway Traffic Safety Administration, 1200 New Jersey Ave., S.E., Washington, D.C., 20590; or call the toll-free Vehicle Safety Hotline at 1-888-327-4236 (TTY: 1-800-424-9153); or go to http://www.safercar.gov. We apologize for any inconvenience this safety recall may cause, but your safety is our first concern. Sincerely, KME, Inc. From: «Customer» (Customer name) To: KME Fire Apparatus One Industrial Complex Nesquehoning, PA 18240 RE: NHSTA Recall No. 21V960 Date: KME GSO(s) or VIN(s)

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kmefire.com One Industrial Complex | Nesquehoning, PA 18240 T (800) 235-3928 | P (570) 669-9461 Member of the REV Group January 21, 2022 SAFETY RECALL NOTICE: 21V960 TO: Affected KME Dealers KME decided that a defect which relates to motor vehicle safety exists in certain model year 2012-2022 KME vehicles manufactured from April 2019 through October 2021. Vehicles included in this recall have engine fuel tubes between the fuel rail and the injector for cylinders 4, 5, and 6 that may be susceptible to cracking, resulting in a high-pressure fuel leak. A high-pressure fuel leak in the presence of an ignition source may increase the risk of a fire. Fuel leaks may be detected during maintenance. An operator may smell fuel or observe a mist due to the fuel leak. Owners will be directed to contact their local Cummins Service Center to have their vehicle(s)’ remedied. Please be reminded that it is a violation of Federal law for you deliver a new motor vehicle or any new or used item of motor vehicle equipment covered by this notification until this defect has been remedied. Substantial civil penalties apply to violations of this law. Your assistance with this recall is appreciated. Should you have any questions or concerns, please contact KME Customer Service at (570) 669-5230. Sincerely, KME, Inc.

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OMB Control No.: 2127-0004 Part 573 Safety Recall Report 21V-960 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : Kovatch Mobile Equipment Corp. Submission Date : DEC 20, 2021 NHTSA Recall No. : 21V-960 Manufacturer Recall No. : NR Manufacturer Information : Manufacturer Name : Kovatch Mobile Equipment Corp. Address : One Industrial Complex Nesquehoning PA 18240 Company phone : 8002353926 Population : Number of potentially involved : 85 Estimated percentage with defect : 100 % Vehicle Information : Vehicle 1 : 2020-2021 KME Predator Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : OTHER Power Train : DIESEL Descriptive Information : -Population determined by serial numbers provided by Cummins -Vehicles not included did not have engines included on the list Cummins provided. -2020 KME Predator: 8 -2021 KME Predator: 5 Production Dates : DEC 23, 2019 – FEB 25, 2021 VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 2 : 2020-2022 KME Severe Service Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : OTHER Power Train : DIESEL Descriptive Information : -Population determined by serial numbers provided by Cummins -Vehicles not included did not have engines included on the list Cummins provided. -2020 KME Severe Service: 28 -2021 KME Severe Service: 26 -2022 KME Severe Service: 18 Production Dates : APR 29, 2019 – OCT 29, 2021 VIN Range 1 : Begin : NR End : NR Not sequential Description of Defect : Description of the Defect : The fuel tubes between the fuel rail and the injector for cylinders 4, 5, and 6 may be susceptible to cracking, resulting in a high pressure fuel leak. FMVSS 1 : NR Part 573 Safety Recall Report 21V-960 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 FMVSS 2 : NR Description of the Safety Risk : A high pressure fuel leak in the presence of an ignition source may increase the risk of a fire. Description of the Cause : The subject fuel tubes (for cylinders 4, 5, and 6) are susceptible to cracking due to the metal fatigue failure resulting from the combination of vibration strain, assembly strain, and metal strength. Identification of Any Warning that can Occur : Fuel leaks may be detected during maintenance. An operator may smell fuel or observe a mist due to the fuel leak. Involved Components : Component Name 1 : Fuel injector tube Component Description : Fuel injector tube from the fuel rail to the injector Component Part Number : Unknown Supplier Identification : Component Manufacturer Name : Cummins, Inc. Address : Box 3005 Mail Code 41303 Columbus Indiana 47202-3005 Country : United States Chronology : KME was notified on December 7, 2021 by Cummins about their recall 21E-099. An investigation was started and KME determined that a Defect Investigation Report should be generated. On December 10, 2021, the DIR was approved, and KME filed a 573 on December 10, 2021. Part 573 Safety Recall Report 21V-960 Page 3 The information contained in this report was submitted pursuant to 49 CFR §573 Description of Remedy : Description of Remedy Program : The subject fuel tubes for cylinders 4, 5, and 6 (the rear half of the engine) will be replaced with new fuel tubes (having the same part number as the recalled components) and vibration isolators will be added to the fuel tubes. A recall-specific reimbursement plan will be provided on the Recall Portal for those units not covered by the manufacturer’s limited warranty. How Remedy Component Differs from Recalled Component : The replacement fuel tubes will also have vibration isolators. The fuel tube and vibration isolator combination will have a new part number. Identify How/When Recall Condition was Corrected in Production : The injector alignment to the cylinder head was improved by implementing an improved alignment fixture during engine assembly and vibration isolators were added to the fuel tubes during engine assembly on November 2, 2021. Recall Schedule : Description of Recall Schedule : -Dealers will be notified 1/17/2022-1/21/2022 -Owners will be notified 1/24/2022-1/28/2022 Planned Dealer Notification Date : JAN 17, 2022 – JAN 21, 2022 Planned Owner Notification Date : JAN 24, 2022 – JAN 28, 2022 * NR – Not Reported

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OMB Control No.: 2127-0004 Part 573 Safety Recall Report 21V-960 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : Kovatch Mobile Equipment Corp. Submission Date : DEC 10, 2021 NHTSA Recall No. : 21V-960 Manufacturer Recall No. : NR Manufacturer Information : Manufacturer Name : Kovatch Mobile Equipment Corp. Address : One Industrial Complex Nesquehoning PA 18240 Company phone : 8002353926 Population : Number of potentially involved : 85 Estimated percentage with defect : NR Vehicle Information : Vehicle 1 : 2020-2021 KME Predator Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : OTHER Power Train : DIESEL Descriptive Information : -Population determined by serial numbers provided by Cummins -Vehicles not included did not have engines included on the list Cummins provided. -2020 KME Predator: 8 -2021 KME Predator: 5 Production Dates : DEC 23, 2019 – FEB 25, 2021 VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 2 : 2020-2022 KME Severe Service Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : OTHER Power Train : DIESEL Descriptive Information : -Population determined by serial numbers provided by Cummins -Vehicles not included did not have engines included on the list Cummins provided. -2020 KME Severe Service: 28 -2021 KME Severe Service: 26 -2022 KME Severe Service: 18 Production Dates : APR 29, 2019 – OCT 29, 2021 VIN Range 1 : Begin : NR End : NR Not sequential Description of Defect : Description of the Defect : The fuel tubes between the fuel rail and the injector for cylinders 4, 5, and 6 may be susceptible to cracking, resulting in a high pressure fuel leak. FMVSS 1 : NR Part 573 Safety Recall Report 21V-960 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 FMVSS 2 : NR Description of the Safety Risk : A high pressure fuel leak in the presence of an ignition source may increase the risk of a fire. Description of the Cause : The subject fuel tubes (for cylinders 4, 5, and 6) are susceptible to cracking due to the metal fatigue failure resulting from the combination of vibration strain, assembly strain, and metal strength. Identification of Any Warning that can Occur : Fuel leaks may be detected during maintenance. An operator may smell fuel or observe a mist due to the fuel leak. Involved Components : Component Name 1 : Fuel injector tube Component Description : Fuel injector tube from the fuel rail to the injector Component Part Number : Unknown Supplier Identification : Component Manufacturer Name : Cummins, Inc. Address : Box 3005 Mail Code 41303 Columbus Indiana 47202-3005 Country : United States Chronology : KME was notified on December 7, 2021 by Cummins about their recall 21E-099. An investigation was started and KME determined that a Defect Investigation Report should be generated. On December 10, 2021, the DIR was approved, and KME filed a 573 on December 10, 2021. Part 573 Safety Recall Report 21V-960 Page 3 The information contained in this report was submitted pursuant to 49 CFR §573 Description of Remedy : Description of Remedy Program : The subject fuel tubes for cylinders 4, 5, and 6 (the rear half of the engine) will be replaced with new fuel tubes (having the same part number as the recalled components) and vibration isolators will be added to the fuel tubes. A recall-specific reimbursement plan will be provided on the Recall Portal for those units not covered by the manufacturer’s limited warranty. How Remedy Component Differs from Recalled Component : The replacement fuel tubes will also have vibration isolators. The fuel tube and vibration isolator combination will have a new part number. Identify How/When Recall Condition was Corrected in Production : The injector alignment to the cylinder head was improved by implementing an improved alignment fixture during engine assembly and vibration isolators were added to the fuel tubes during engine assembly on November 2, 2021. Recall Schedule : Description of Recall Schedule : -Dealers will be notified 1/17/2022-1/21/2022 -Owners will be notified 1/24/2022-1/28/2022 Planned Dealer Notification Date : JAN 17, 2022 – JAN 21, 2022 Planned Owner Notification Date : JAN 24, 2022 – JAN 28, 2022 * NR – Not Reported

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