At Tri County Motor Sales we possess the tools, technology and training to manage your service and repair needs. From diagnosis to completion we pride ourselves on limiting your fleet’s downtime.

  • Ability to service all makes and all models

    (except Detroit)

  • Wheel alignment and wheel balancing for all makes and models

    (Pro Trac laser)

  • Road service available

  • DOT inspections

  • Engine diagnostics and repair

  • U-joint replacement

  • Caterpillar certified engine repairs

    (including warranties)

  • Quick Lube

    (includes oil change, grease job, lube levels, 30 point inspection)

  • Ability to service and diagnose all Cummins midrange and heavy duty engines

    (Including Warranties)

  • DOT approved brake and suspension testing on site


  • Lighting repairs

  • Dry and wet PM’s

  • Electrical troubleshooting and repair

  • Shock replacement

  • A26 Certified specialists

  • International Maxxforce engine certified specialists

  • 8 onsite technicians

    (6 dayshift and 2 nightshift)

  • Oil and coolant sampling

  • Customized PM programs

  • Charging system and Battery service

  • Exhaust repair

  • International gas engine certified specialists

  • Onsite DPF cleaning and thermal regenerating

  • ASE certified repair shop

  • Clutch and Brake adjustments

  • Pressure check and service coolant system

  • Start system diagnostics and repair

  • Gauge repair

  • Pennsylvania State Inspection & emission inspections

Send us a Message

Want to check on your vehicle’s status or just have a question? Fill in the form below and we will get back to you ASAP.

Contact Us

1575 Ferndale Ave Johnstown, PA 15905





Monday – Friday: 7 am – Midnight
Saturday: By Appointment Only


Monday – Friday: 7 am – Midnight
Saturday: 7 am – Noon

Body Shop

Monday – Friday: 7 am – 3:30 pm