Mechanic II Mclane Company, Inc.Mechanic IIStafford, VA$31–$46.40Building an expansive nationwide network of team members for 130+ years has allowed us to stay agile for our clients across the restaurant, retail, and e-commerce industries. We look to the future and are ready to continue making industry-defining moves by embracing the newest technology into our practices, continuing team member training, and emphasizing our people-centered culture.
Diesel Mechanic United RentalsDiesel MechanicAnnapolis, MD$26.45–$48.95 / hourAs a Diesel Mechanic - Experienced (Service Tech IV), you'll use your skills to perform maintenance and repairs of complex equipment with limited or no supervision in a highly skilled, safe, and professional manner. Maintenance and repair of complex mechanical, electrical, hydraulic, and diesel systems on a variety of rental and customer equipment and tools while using a high degree of independent judgment.
NewField Diesel Mechanic United RentalsField Diesel MechanicManassas, VA$32.65–$48.95 / hourAs a Field Diesel Mechanic (Service Tech IV - Field Service), you'll use your skills to perform maintenance and repairs of complex equipment with limited or no supervision in a highly skilled, safe, and professional manner. Maintenance and repair of complex mechanical, electrical, hydraulic, and diesel systems on a variety of rental and customer equipment and tools while using a high degree of independent judgment.
NewField Diesel Mechanic - CES United RentalsField Diesel Mechanic - CESManassas, VA$29.80–$44.65 / hourAs a Field Diesel Mechanic - Customer Equipment Solutions (Service Tech III - Field Service - CES), you'll use your skills to perform maintenance and repairs of complex equipment on customer owned equipment with limited or no supervision in a highly skilled, safe, and professional manner. Safe maintenance and repair of complex mechanical, electrical, hydraulic, and diesel systems on a variety of customer equipment and tools while using a high degree of independent judgment.
NewField Diesel Mechanic- CES United RentalsField Diesel Mechanic- CESHerndon, VA$29.80–$44.65 / hourAs a Field Diesel Mechanic - Customer Equipment Solutions (Service Tech III - Field Service - CES), you'll use your skills to perform maintenance and repairs of complex equipment on customer owned equipment with limited or no supervision in a highly skilled, safe, and professional manner. Safe maintenance and repair of complex mechanical, electrical, hydraulic, and diesel systems on a variety of customer equipment and tools while using a high degree of independent judgment.
NewDiesel Mechanic Technician A Performance FoodserviceDiesel Mechanic Technician AStafford, ORRequired Experience: 5 - 7 Years 5+ years of proven medium to heavy-duty vehicle repair including PM‘s, tire & wheel, air & air disc brakes, diagnosis, computerized diagnostics, electrical troubleshooting, electronic component repair and a minimum of 2 years’ experience in A/C refrigeration. Performance Foodservice, PFG’s broadline distributor, maintains a unique relationship with a variety of local customers, including independent restaurants and hotels, healthcare facilities, schools, and quick-service eateries.
NewDiesel Fleet Mechanic Technician II SyscoDiesel Fleet Mechanic Technician IIJESSUP, MD$30–$40 / hourDiagnose cause of any malfunction and perform repairs to manufacturer specifications including but not limited to engines, transmissions and clutches, drive-line, differential, steering and suspension, fuel and ignition system, exhaust systems (including regeneration systems), intake systems, electrical systems, brake systems, HVAC systems and lift-gate hydraulic, mechanical and electrical systems. To provide safe, reliable and cost-efficient vehicles by performing quality preventive maintenance inspections and repairs as well as performing expert diagnosis and repair as required to prevent breakdowns on road, reduce vehicle downtime and improve total fleet reliability.
SCA Appliance Mechanic SodexoSCA Appliance MechanicSTAFFORD, VA$34.62You will be responsible for diagnosing, repairing, and performing preventive maintenance of government furnished food preparation and serving equipment to ensure it is in good working order. We believe in improving the quality of life for those we serve and contributing to the economic, social, and environmental progress in the communities where we operate.
41838 Automotive Lube Technician Ourisman Chrysler Jeep Dodge Of Alexandria41838 Automotive Lube TechnicianAlexandria, VAFull timeEntry-level Automotive Technicians will quickly and efficiently perform routine maintenance and identify the cause of breakdowns and repair them using the most optimal solutions. Ourisman Chrysler Jeep Dodge Of Alexandria is looking for Entry Level Automotive Technicians / Lube Technicians!
41838 Master Automotive Technician Ourisman Chrysler Jeep Dodge Of Alexandria41838 Master Automotive TechnicianAlexandria, VAFull timeMaster-Level Automotive Technicians will quickly and efficiently perform routine maintenance and identify the cause of breakdowns and repair them using the most optimal solutions. Confer with customers or service advisors to obtain descriptions of vehicle problems, and to discuss work to be performed and future repair requirements.
41838 Automotive Technician Ourisman Chrysler Jeep Dodge Of Alexandria41838 Automotive TechnicianAlexandria, VAFull timeAutomotive Technicians will be experienced and aware of the latest automotive technologies and be a persistent problem solver. Work alongside skilled technicians to learn how to perform quality vehicle service maintenance and repairs.
NewSenior Automotive Technician / Mechanic Hogan & Sons Tire & AutoSenior Automotive Technician / MechanicHerndon, VAExplains technical diagnosis and needed repairs to non-mechanical individuals which may include the Store Manager, Service Consultants and/or customers. Overview: Hogan & Sons Tire and Auto - We provide a full-service solution for all of your automotive and repair needs.
NewMaintenance Mechanic II Greenspring Village by Erickson Senior LivingMaintenance Mechanic IISpringfield, VA$26 / hourPerform routine and emergency repairs in residential apartments and public areas including correcting electrical malfunctions, repairing and replacing plumbing fixtures, pipes and fittings, repairing and replacing light bulbs and fixtures, repairing doors and locks. See Erickson Senior Living Privacy Policy at https://www.ericksonseniorliving.com/privacy-policy and SonicJobs Privacy Policy at https://www.sonicjobs.com/us/privacy-policy and Terms of Use at https://www.sonicjobs.com/us/terms-conditions.
Automotive Technicians Passport AutoAutomotive TechniciansCamp Springs, MD$22–$45 / hourFull timeOur service department is growing, and we’re seeking a skilled, motivated Automotive Technician who takes pride in high‑quality workmanship and wants to grow with a premium brand. Genesis Corporate has a goal of 22 different models in our showroom by the year 2030, just 4 short years!
Power & HVAC Mechanic United RentalsPower & HVAC MechanicManassas, VA$24.05–$44.65 / hourAs a Power HVAC Mechanic (Service Tech II) within the Power/HVAC division at United Rentals, you'll use your skills to perform maintenance tasks as well as minor repairs on equipment in a safe and professional manner. We're an award-winning company (recently named a Glassdoor Best Place to Work in 2026) that truly cares about our people - That's why we offer best-in-class benefits and perks that will support you and your family.
Sheetmetal Mechanic CoolSysSheetmetal MechanicAshburn, VAJourneyman-HVAC, Journeyman-EMS, EMS, Installer, Install, Installation, Service Tech, refridgeration, HVAC, refrigeration, HVAC-R, HVAC/R, diagnostic, commercial, service, mechanical, mechanic, AC, field service, chiller, specialist, HVACR, Electrical, pipefitter. Is responsible for and has complete knowledge of commercial HVAC systems including layout, assembly, and installation of equipment curbs, complete low pressure VAV air systems, and medium air pressure systems.
NISSAN Automotive Service Technician Passport AutoNISSAN Automotive Service TechnicianCamp Springs, MD$20–$45 / hourFull timestrong>Wage/Salary Compensation Information: Automotive Technician 20 per flat rate hour up to 45 per flat rate hour potential. State of the Art Ultra Clean Air- Conditioned Shop, Modern equipment and built in tool boxes.
NewHVAC Mechanic System OneHVAC MechanicVienna, VADemonstrates thorough knowledge, skill, and successful performance of job functions in the mechanical field, including plumbing and HVAC. Performs mechanical system maintenance across HVAC, plumbing, and refrigeration.
MECHANIC TECHNICIAN LEAD Carter Machinery Company, IncMECHANIC TECHNICIAN LEADSterling, VA$38.36–$48.22 / hourThe Mechanic Technician Lead is responsible for completing service assignments and providing technical assistance to other technicians in a positive and efficient manner, while promoting the highest level of quality, safety, customer satisfaction and teamwork within the department. Proficient in the use of a computer, Microsoft Office products and service software required in position; able to complete service reports and provide pertinent details for work orders.
NewField Service Mechanic A - HVAC, Pump & Power Herc Rentals IncField Service Mechanic A - HVAC, Pump & PowerUpper Marlboro, MD$33–$38 / hourAbility to operate and test equipment such as boom lifts, forklifts, compressors, portable and stationary generators, hydraulics, pumps and assorted tools and equipment. You will serve as a go-to resource for utilizing your mechanical expertise to ensure Herc fleet remain in proper operating condition on our customer jobsites, at all times.
NewEuropean Automotive Technician (A-Level) | $100K-$120K+ - 2228 Euroservice AutomotiveEuropean Automotive Technician (A-Level) | $100K-$120K+ - 2228Manassas, VA$44–$50If you're tired of shops that overpromise and underdeliver, and you're looking for a busy European shop that invests in its people and gives technicians the opportunity to earn what they're worth, we'd like to talk with you. We're a busy, established European specialty shop booked approximately 2.5 weeks out, with a strong reputation, modern equipment, and a culture built around teamwork, training, and respect.
Automotive Technician GENESIS Passport Auto GroupAutomotive Technician GENESISmarlow heights, MDFull timeOur service department is growing, and we’re seeking a skilled, motivated Automotive Technician who takes pride in high‑quality workmanship and wants to grow with a premium brand. Genesis Corporate has a goal of 22 different models in our showroom by the year 2030, just 4 short years!
Maryland State Inspector/Automotive Technician Passport Auto GroupMaryland State Inspector/Automotive TechnicianSuitland, MDFull timeIf you are ready to go to work with a great attitude, work well with others and are prepared to stay busy all day. Automotive Technician 20 per flat rate hour up to 45 per flat rate hour potential.
NewDiesel Technician B Herc Rentals IncDiesel Technician BSterling, VA$32–$36 / hourThe primary focus of a Herc Rentals Mechanic B is to utilize their mechanical knowledge to support fleet maintenance operations needed to keep Herc Rentals equipment on the rental "ready line". Ability to operate and test equipment such as boom lifts, forklifts, compressors, portable and stationary generators, hydraulics, pumps and assorted tools and equipment.
NISSAN Automotive Service Technician Passport Auto GroupNISSAN Automotive Service TechnicianSuitland, MDFull timeCome Join Team Passport Auto group: one of the largest and most successful privately held automotive groups in the DC area where We value each team members and treat you like family. State of the Art Ultra Clean Air- Conditioned Shop, Modern equipment and built in tool boxes.
INFINITI Automotive Service Technician Passport Auto GroupINFINITI Automotive Service TechnicianSuitland, MDFull timeState of the Art Ultra Clean Air- Conditioned Shop, Modern equipment and built in tool boxes. Automotive Technician 20 per flat rate hour up to 45 per flat rate hour potential.
TOYOTA Automotive Service Technician Passport Auto GroupTOYOTA Automotive Service TechnicianSuitland, MDFull timeCome Join Team Passport Auto group: one of the largest and most successful privately held automotive groups in the DC area where We value each team members and treat you like family. State of the Art Ultra Clean Air- Conditioned Shop, Modern equipment and built in tool boxes.
NewTechnician 1 Sunbelt RentalsTechnician 1Lorton, VA$21.84–$30.03 / hourThe following is a sample (but not exhaustive) list of the MOS, AFSC, and NEC Codes that may have transferrable skill sets that apply to this role: 711 713 2506 2584 4130 4133 4541 5899 6071 6072 7603 7607 7610 7618 13D 13M 13P 13R 13T 2T311A 2T311C 2T312A 2T312B 2T312C 2T331A 2T331C 2T332A 2T332B 2T332C 2T351 2T351A 2T351C 2T352A 2T352C 62B 63A 63D 63E 63H 63M 63N 63S 63T 63Y 88R 91A 91B 91E 91H 91L 91M 91P 91S ABE ABH AS CM EN GSM MM MM(NUC) MR SB. Related experience may include: Shop Mechanic, Mechanic, Technician, Service Foreman, Service Manager, Shop Manager, Mechanic Supervisor, Technician Supervisor, Lead Mechanic, Lead Technician, Diesel Technician, Diesel Mechanic, Service Technician, Heavy Equipment Mechanic, Hydraulic Technician, Hydraulic Mechanic, ASE Certified Mechanic, IFPS Certified Technician.
Technician 2 Sunbelt RentalsTechnician 2McLean, VA$24.58–$33.80 / hourThe following is a sample (but not exhaustive) list of the MOS, AFSC, and NEC Codes that may have transferrable skill sets that apply to this role: 711 713 2506 2584 4130 4133 4541 5899 6071 6072 7603 7607 7610 7618 13D 13M 13P 13R 13T 2T311A 2T311C 2T312A 2T312B 2T312C 2T331A 2T331C 2T332A 2T332B 2T332C 2T351 2T351A 2T351C 2T352A 2T352C 62B 63A 63D 63E 63H 63M 63N 63S 63T 63Y 88R 91A 91B 91E 91H 91L 91M 91P 91S ABE ABH AS CM EN GSM MM MM(NUC) MR SB. Related experience may include: Shop Mechanic, Mechanic, Technician, Service Foreman, Service Manager, Shop Manager, Mechanic Supervisor, Technician Supervisor, Lead Mechanic, Lead Technician, Diesel Technician, Diesel Mechanic, Service Technician, Heavy Equipment Mechanic, Hydraulic Technician, Hydraulic Mechanic, ASE Certified Mechanic, IFPS Certified Technician.
NewA-Level Automotive Technician | Up to $130K+ | No Weekends - 2251 Retro Auto WorksA-Level Automotive Technician | Up to $130K+ | No Weekends - 2251Franconia, PA$90,000–$130,000Retro Autoworks of Glenside is opening a brand-new location and looking for an experienced A-Level Technician who wants top earning potential, modern equipment, no weekends, and a real opportunity to grow with a company that's expanding. If you're an experienced technician looking for a fresh start in a brand-new shop with strong leadership and long-term growth opportunities, apply today and complete your initial screening with Paige to be considered.
Diesel Mechanic Abacus Solution GroupDiesel MechanicBeltsville, MDThis position is designed for an ambitious professional ready to master our operations and eventually oversee fleet maintenance strategies, mentor junior staff, and manage shop operations. Skills: Strong understanding of hydraulics, brakes, electrical systems, and engine diagnostics.
Night Shift Lead Diesel Mechanic - $5000 Sign on Bonus Waste Management IncNight Shift Lead Diesel Mechanic - $5000 Sign on BonusHyattsville, MDWM has the largest disposal network and collection fleet in North America, is the largest recycler of post-consumer materials and is the leader in beneficial reuse of landfill gas, with a growing network of renewable natural gas plants and the most gas-to-electricity plants in North America. WMs fleet includes nearly 11,000 natural gas trucks - the largest heavy-duty natural gas truck fleet of its kind in North America - where more than half are fueled by renewable natural gas.
Senior Diesel Mechanic - $5000 Sign On Bonus-2nd Shift Walk-in Interviews Waste Management IncSenior Diesel Mechanic - $5000 Sign On Bonus-2nd Shift Walk-in InterviewsMD$31.25–$36.50 / hourWM has the largest disposal network and collection fleet in North America, is the largest recycler of post-consumer materials and is a leader in beneficial use of landfill gas, with a growing network of renewable natural gas plants and the most landfill gas-to-electricity plants in North America. Required to exert physical effort that will include but is not limited to frequent lifting, pushing, pulling, crouching, and climbing; Constantly standing, walking, and grasping; Occasionally: sitting and balancing.
Diesel Mechanic - 2nd Shift $5000 Sign on Bonus Waste Management IncDiesel Mechanic - 2nd Shift $5000 Sign on BonusDC$28–$32.50 / hourWM has the largest disposal network and collection fleet in North America, is the largest recycler of post‑consumer materials and is a leader in beneficial use of landfill gas, with a growing network of renewable natural gas plants and the most landfill gas‑to‑electricity plants in North America. Required to exert physical effort that will include but is not limited to frequent lifting, pushing, pulling, crouching, and climbing; Constantly standing, walking, and grasping; Occasionally: sitting and balancing.
NewNight Shift Diesel Mechanic WMNight Shift Diesel MechanicWashington, DC$28–$32.50 / hourRequired to exert physical effort that will include but is not limited to frequent lifting, pushing, pulling, crouching, and climbing; Constantly standing, walking, and grasping; Occasionally: sitting and balancing. These are just a few of our comprehensive benefits for a Diesel Mechanic Whether you are planning on building or expanding your family or looking for the next step in your career – WM is there, helping build the best and total you.
NewSenior Diesel Mechanic - $5000 Sign On Bonus-2nd Shift WMSenior Diesel Mechanic - $5000 Sign On Bonus-2nd ShiftWashington, DC$31.25–$36.50 / hourThese are just a few of our comprehensive benefits for a Senior Diesel Mechanic Whether you are planning on building or expanding your family or looking for the next step in your career – WM is there, helping build the best and total you. Required to exert physical effort that will include but is not limited to frequent lifting, pushing, pulling, crouching, and climbing; Constantly standing, walking, and grasping; Occasionally: sitting and balancing.
Diesel Mechanic Technician - Fairfax Transdev North America IncDiesel Mechanic Technician - FairfaxFairfax, VALead diagnostic tests to accurately identify complex issues and determine comprehensive repair strategies for diesel engines. About Transdev: Cities, counties, airports, companies, and universities across the U.S. contract with Transdev to operate their transportation systems, maintain their vehicle and fleets, and deliver on mobility solutions.
Automotive Mechanic - Technician Car GuysAutomotive Mechanic - TechnicianSterling, VirginiaWHAT OUR CLIENTS OFFER * Top Pay for Automotive Technicians and Auto Mechanics * Industry-leading compensation for service technicians * Signing bonuses and performance-based incentives * Modern Automotive Shops * Advanced diagnostic tools and equipment * High-volume service departments * Work on domestic, import, diesel, and electric vehicles * Career Growth for Automotive Technicians * Paid training, including EV and diagnostic training * ASE certification support * Advancement to Master Technician and Shop Foreman roles *** WHY WORK WITH CARGUYS INC. Experience with automatic transmission, manual transmission, drivetrain and axle repair, suspension and steering systems, brake repair, electrical systems, and electronic diagnostics is required.
NewDiesel Mechanic Cornerstone RecruitingDiesel MechanicRockville, MD$28–$33 / hourThe Diesel Mechanic will perform diagnostics, repairs, and routine maintenance on diesel-powered heavy construction equipment, dump trucks, and paving machinery. Perform routine and preventive maintenance on dump trucks, paving machines, excavators, loaders, dozers, rollers, and other heavy construction equipment.
Diesel Mechanic Trainee - Fleet Technician Trainee Reyes Fleet ManagementDiesel Mechanic Trainee - Fleet Technician TraineeManassas, Virginia$21–$26 / hourFull timeResponsibilities: Reyes Fleet Management, 1 of the largest privately held fleets in the U.S., is seeking a Diesel Mechanic Trainee / Fleet Technician Trainee to help with repairs and maintenance on trailer/tractor equipment at our Martin Brower shop in Manassas, VA. This position may require driving Reyes Family of Businesses, Reyes Fleet Management and customer vehicles, it is regulated by the DOT and requires a current driver qualification file to be maintained as required by the role.
Diesel Mechanic - Fleet Technician A Reyes Fleet ManagementDiesel Mechanic - Fleet Technician AManassas, Virginia$30–$35 / hourFull timeResponsibilities: Reyes Fleet Management, 1 of the largest privately held fleets in the U.S., is seeking a Diesel Mechanic / Fleet Technician A to help with repairs and maintenance on trailer/tractor equipment at our Martin Brower shop in Manassas, VA. This position may require driving Reyes Family of Businesses, Reyes Fleet Management and customer vehicles, it is regulated by the DOT and requires a current driver qualification file to be maintained as required by the role.
Diesel Mechanic Fleet Technician A Reyes Holdings LLCDiesel Mechanic Fleet Technician AManassas, VA$30–$35 / hourReyes Fleet Management, 1 of the largest privately held fleets in the U.S., is seeking a Diesel Mechanic / Fleet Technician A to help with repairs and maintenance on trailer/tractor equipment at our Martin Brower shop in Manassas, VA. At the Reyes Family of Businesses, our Total Rewards Strategy prioritizes the holistic well-being of our employees, and our compensation philosophy embraces diverse factors for fair pay decisions, valuing skills, experience, and the needs of our business.
Diesel Mechanic Trainee Fleet Technician Trainee Reyes Holdings LLCDiesel Mechanic Trainee Fleet Technician TraineeManassas, VA$21–$26 / hourReyes Fleet Management, 1 of the largest privately held fleets in the U.S., is seeking a Diesel Mechanic Trainee / Fleet Technician Trainee to help with repairs and maintenance on trailer/tractor equipment at our Martin Brower shop in Manassas, VA. This position may require driving Reyes Family of Businesses, Reyes Fleet Management and customer vehicles, it is regulated by the DOT and requires a current driver qualification file to be maintained as required by the role.
Part Time Diesel Mechanic Transdev North America IncPart Time Diesel MechanicArlington, VAAs a Diesel Mechanic, you'll play a crucial role in ensuring safety, efficiency, and longevity for our diesel-powered assets.\n \nTransdev is proud to offer:\n \nPosition Subject to Collective Bargaining Agreement:\n \nHourly pay ranges based on experience & job classification:\n \n+ Tech A $43.05 plus $.25 per ASE\n \nTech B $ 34.65 plus $.25 per ASE\n \nTech C $32.55 plus $.25 per ASE\n \nBenefits include:\n \n+ Company paid ASE testing, training materials, and tool reimbursement\n \nKey Responsibilities:\n \n+ Conduct diagnostic tests to identify issues and determine necessary repairs on diesel engines.\n \nPhysical Requirements:\n \nThe essential functions of this position require the ability to:\n \n+ Work outside in varying temperature, weather, and humidity conditions-100% of the job is performed outside, work alone and in remote locations.\n \n+ Sit for extended periods (up to 6\u20138 hours per day); frequently walk for long distances and on possible sloped ground or slippery and uneven surfaces\n \n+ Push and pull objects up to 50 pounds, occasionally throughout the workday; lift material weighing up to 50 lbs.
Diesel Mechanic 2nd Shift A. Duie Pyle IncDiesel Mechanic 2nd ShiftElkridge, MD$30–$45 / hourA. Duie Pyle is seeking an experienced, skilled 2nd shift Diesel Mechanic to join our Fleet Maintenance team at our Elkridge, MD shop. Diesel Mechanic responsibilities include, but are not limited to: Performing routine preventative maintenance and general repairs on Class 8 trucks.
Diesel Mechanic | Sterling, VA Reston LimousineDiesel Mechanic | Sterling, VASterling, VAFull timeReston Limousine has enjoyed continued growth despite regional and national economic downturns; thanks in part to our full-time training, safety management, and our on-site Operations Center that includes a 24/7 dispatch center and a dedicated detailing and maintenance/repair facility. Proficiency in diagnosing and repairing diesel engines, emission control systems, hydraulic systems, suspensions, drive-train components, electrical, air conditioning, air brakes, and computer diagnostics.
NewDiesel Mechanic TransdevDiesel MechanicArlington, VAPhysical Requirements: The essential functions of this position require the ability to: Work outside in varying temperature, weather, and humidity conditions-100% of the job is performed outside, work alone and in remote locations. About Transdev: Cities, counties, airports, companies, and universities across the U.S. contract with Transdev to operate their transportation systems, maintain their vehicle and fleets, and deliver on mobility solutions.
Diesel Mechanic 2nd Shift A. Duie Pyle, IncDiesel Mechanic 2nd ShiftElkridge, MD$30–$45 / hourPart timeA. Duie Pyle is seeking an experienced, skilled 2nd shift Diesel Mechanic to join our Fleet Maintenance team at our Elkridge, MD shop. This role requires technical skill with heavy duty trucks and is responsible for maintaining, diagnosing, and repairing the company’s fleet.
Diesel Mechanic Bates Trucking CoDiesel MechanicManassas, VirginiaThe primary duties of a Diesel Mechanic include performing diagnostic tests on diesel vehicles to find faults, analyzing diagnostic test results and repairing or replacing engine, steering, transmission, braking or lighting system components. We are looking for physically fit candidates with good attention to detail for the position of Diesel Mechanic.
Heavy Duty Diesel Mechanic Part-Time JCI EnviromentalHeavy Duty Diesel Mechanic Part-TimeWaldorf, MDA Heavy Duty Diesel Mechanic responsible for the inspection, repair and maintenance of Heavy Duty vehicles. Work on the Heavy Duty vehicles to ensure that they run safely and efficiently.