Fuel Tubes May Crack and Leak Fuel – TOR DR-106100 Highway Carrier

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Tenco inc. 1318 Principale St-Valérien-de-Milton, QC J0H 2B0 Canada Tél. : 450-388-1328 Fax. : 450-549-2415 Une entreprise d’Alamo Group | An Alamo Group Company IMPORTANT SAFETY RECALL NHTSA RECALL No 22V-108 April 12, 2022 Dear Customer, This notice is sent to you in accordance with the requirements of the National Traffic and Motor Vehicle Safety Act. Cummins have informed us that they had decided that a defect which relates to motor safety exists in certain Cummins X12 engine that might have been installed in the truck that RPM Tech Inc. have produced for your compagnie. This notice applies to this truck: Model: DR-106110 ESN: 75082286 VIN: 2R9538HC7L0708640 WHAT IS THE PROBLEM? The fuel tubes between the fuel rail and the injector for cylinder 4, 5 and 6 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. HOW TO REPAIR THIS PROBLEM? Cummins has released field Safety Campaign #C2532, X12 CM2350 X119B and X12 CM2450 X137B Fuel Injector Supply Line Safety Campaign to correct this condition by replacing the fuel tube s with new fuel tubes and installing vibration isolator for cylinder 4, 5 and 6. WHAT SHOULD YOU DO? Contact the nearest Cummins Distributor or authorized Cummins Warranty Dealer to arrange to have this campaign performed on your truck engine. The repair will be completed free of charge and most applications will require approximately 2 hours to complete. The Cummins distributor or dealer will work with you to schedule the best time to complete the repair. Tenco inc. 1318 Principale St-Valérien-de-Milton, QC J0H 2B0 Canada Tél. : 450-388-1328 Fax. : 450-549-2415 Une entreprise d’Alamo Group | An Alamo Group Company In the meantime, we advise you to periodically check the injector fuel tubes for signs of leaking and to seek repair if leaks are identified. If a leak occurs, the operator may smell diesel fuel or observe a mist. WHO SHOULD YOU CONTACT IF YOU HAVE FURTHER QUESTIONS OR CONCERN? If you have questions or concerns about this recall, please contact Sylvain Lampron at 1-819-478-1421 ext:217 or by e-mail at sylvain.lampron@grouperpmtech.com. If you have a complaint relative to this recall, you may report it to the following: Administrator National Highway Traffic Safety Administration 1200 New Jersey Avenue, SE Washington, DC 20590 You may also call the toll-free Vehicle Safety Hotline at 1-888-327-4236 (TTY: 1-800-424-9153); or go to http://www.safercar.gov. If you are no longer the owner of the truck listed on this recall, please forward this notice to the new owner or provide the new owner’s contact information to Tenco inc. so that we can notify them of this recall. Federal law requires vehicle lessors receiving this recall notice to forward a copy of this notice to the lessee within ten (10) day. We apologize for any inconvenience and thank you for your attention to this matter. Sincerely, Sylvain Lampron Project Manager Tenco Inc.

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OMB Control No.: 2127-0004 Part 573 Safety Recall Report 22V-108 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : Tenco Inc. Submission Date : APR 06, 2022 NHTSA Recall No. : 22V-108 Manufacturer Recall No. : NR Manufacturer Information : Manufacturer Name : Tenco Inc. Address : 1318 rue Principale St-Valerien-De-Milton 00 J0H2B0 Company phone : 388-1328 Population : Number of potentially involved : 1 Estimated percentage with defect : 100 % Vehicle Information : Vehicle 1 : 2020-2020 TOR DR-106100 Vehicle Type : LOW VOLUME VEHICLES Body Style : OTHER Power Train : DIESEL Descriptive Information : Recall base on Cummins Recall 21E099. Only one unit of this model was produced. Production Dates : AUG 01, 2019 – AUG 31, 2019 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 cylinder 4, 5 and 6 may be susceptible to cracking, resulting in a high-pressure fuel leak. FMVSS 1 : NR 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 cylinder 4, 5 and 6) are susceptible to cracking due to metal fatigue failure resulting from a combination of vibration strain, assembly strain and material 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 fuel leak. Involved Components : Part 573 Safety Recall Report 22V-108 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 Component Name 1 : Injector Fuel Supply Tube Component Description : Fuel tube between fuel rail and fuel injector Component Part Number : 5536516 Supplier Identification : Component Manufacturer Name : Cummins Inc Address : Box 3005 Columbus Indiana 41303 Country : United States Chronology : NR Description of Remedy : Description of Remedy Program : NR How Remedy Component Differs from Recalled Component : NR Identify How/When Recall Condition was Corrected in Production : NR Recall Schedule : Description of Recall Schedule : NR Planned Dealer Notification Date : NR – NR Planned Owner Notification Date : NR – NR * NR – Not Reported

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OMB Control No.: 2127-0004 Part 573 Safety Recall Report 22V-108 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : Tenco Inc. Submission Date : FEB 24, 2022 NHTSA Recall No. : 22V-108 Manufacturer Recall No. : NR Manufacturer Information : Manufacturer Name : Tenco Inc. Address : 1318 rue Principale ST-VALERIEN-DE-MILTON 00 J0H2B0 Company phone : 388-1328 Population : Number of potentially involved : 1 Estimated percentage with defect : 100 % Vehicle Information : Vehicle 1 : 2020-2020 TOR DR-106100 Vehicle Type : LOW VOLUME VEHICLES Body Style : OTHER Power Train : DIESEL Descriptive Information : Recall base on Cummins Recall 21E009. Only one unit of this model was produced. Production Dates : AUG 01, 2019 – AUG 31, 2019 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 cylinder 4, 5 and 6 may be susceptible to cracking, resulting in a high-pressure fuel leak. FMVSS 1 : NR 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 cylinder 4, 5 and 6) are susceptible to cracking due to metal fatigue failure resulting from a combination of vibration strain, assembly strain and material 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 fuel leak. Involved Components : Part 573 Safety Recall Report 22V-108 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 Component Name 1 : Injector Fuel Supply Tube Component Description : Fuel tube between fuel rail and fuel injector Component Part Number : 5536516 Supplier Identification : Component Manufacturer Name : Usui International Corporation Address : 44780 Helm Street Plymouth Michigan 48170 Country : United States Chronology : NR Description of Remedy : Description of Remedy Program : NR How Remedy Component Differs from Recalled Component : NR Identify How/When Recall Condition was Corrected in Production : NR Recall Schedule : Description of Recall Schedule : NR Planned Dealer Notification Date : NR – NR Planned Owner Notification Date : NR – NR * NR – Not Reported

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OMB Control No.: 2127-0004 Part 573 Safety Recall Report 22V-108 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : Tenco Inc. Submission Date : MAR 07, 2022 NHTSA Recall No. : 22V-108 Manufacturer Recall No. : NR Manufacturer Information : Manufacturer Name : Tenco Inc. Address : 1318 rue Principale St-Valerien-De-Milton 00 J0H2B0 Company phone : 388-1328 Population : Number of potentially involved : 1 Estimated percentage with defect : 100 % Vehicle Information : Vehicle 1 : 2020-2020 TOR DR-106100 Vehicle Type : LOW VOLUME VEHICLES Body Style : OTHER Power Train : DIESEL Descriptive Information : Recall base on Cummins Recall 21E099. Only one unit of this model was produced. Production Dates : AUG 01, 2019 – AUG 31, 2019 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 cylinder 4, 5 and 6 may be susceptible to cracking, resulting in a high-pressure fuel leak. FMVSS 1 : NR 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 cylinder 4, 5 and 6) are susceptible to cracking due to metal fatigue failure resulting from a combination of vibration strain, assembly strain and material 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 fuel leak. Involved Components : Part 573 Safety Recall Report 22V-108 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 Component Name 1 : Injector Fuel Supply Tube Component Description : Fuel tube between fuel rail and fuel injector Component Part Number : 5536516 Supplier Identification : Component Manufacturer Name : Usui International Corporation Address : 44780 Helm Street Plymouth Michigan 48170 Country : United States Chronology : NR Description of Remedy : Description of Remedy Program : NR How Remedy Component Differs from Recalled Component : NR Identify How/When Recall Condition was Corrected in Production : NR Recall Schedule : Description of Recall Schedule : NR Planned Dealer Notification Date : NR – NR Planned Owner Notification Date : NR – NR * NR – Not Reported

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OMB Control No.: 2127-0004 Part 573 Safety Recall Report 22V-108 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : Tenco Inc. Submission Date : APR 12, 2022 NHTSA Recall No. : 22V-108 Manufacturer Recall No. : NR Manufacturer Information : Manufacturer Name : Tenco Inc. Address : 1318 rue Principale St-Valerien-De-Milton 00 J0H2B0 Company phone : 388-1328 Population : Number of potentially involved : 1 Estimated percentage with defect : 100 % Vehicle Information : Vehicle 1 : 2020-2020 TOR DR-106100 Vehicle Type : LOW VOLUME VEHICLES Body Style : OTHER Power Train : DIESEL Descriptive Information : Recall base on Cummins Recall 21E099. Only one unit of this model was produced. Production Dates : AUG 01, 2019 – AUG 31, 2019 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 cylinder 4, 5 and 6 may be susceptible to cracking, resulting in a high-pressure fuel leak. FMVSS 1 : NR 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 cylinder 4, 5 and 6) are susceptible to cracking due to metal fatigue failure resulting from a combination of vibration strain, assembly strain and material 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 fuel leak. Involved Components : Part 573 Safety Recall Report 22V-108 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 Component Name 1 : Injector Fuel Supply Tube Component Description : Fuel tube between fuel rail and fuel injector Component Part Number : 5536516 Supplier Identification : Component Manufacturer Name : Cummins Inc Address : Box 3005 Columbus Indiana 41303 Country : United States Chronology : 3 December 2021 – Cummins have contacted us regrading a campaign regarding a fuel tube between the fuel rail and the injector for cylinder 4, 5 and 6 on X12 engine. 9 December 2021 – Tenco have supplied the coordinate of our customer that have delivered an X12 engine concern by this campaign. 2 March 2022 – The recall #22V-108 was create by the NHTSA. To date, there have been no report of injuries due to this condition. Description of Remedy : Description of Remedy Program : The subject fuel tubes for cylinder 4, 5 and 6 (the rear half of the engine) will be replace with new fuel tubes (having the same part number as the recalled components) and vibration isolator will be added to the fuel tubes to engines. 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 : Only one unit was produced, and no other unit are in production. Cummins engine will have corrected change implemented in production starting on November 2, 2021. Recall Schedule : Description of Recall Schedule : Tenco will send recall letter to the only unti customer on April 20, 2022. Planned Dealer Notification Date : NR – NR Planned Owner Notification Date : APR 20, 2022 – APR 20, 2022 Part 573 Safety Recall Report 22V-108 Page 3 The information contained in this report was submitted pursuant to 49 CFR §573 * NR – Not Reported

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