Services We Offer

Owner operator or fleet — CJMTR is a call or text away. We have experience with most major highway trucks brands including Dry Van and Reefer trailers. We also service Yard Trucks and some medium duty vehicles as well!

  • COOLANT LEAKS
  • AIR & BRAKE SYSTEMS
  • CHECK ENGINE LIGHT
  • ELECTRICAL DIAGNOSTICS
  • JUMP STARTS
  • DOT INSPECTIONS

Mobile-only unit · We drive to you — no shop visit required.

On-Site Truck Repair

On-Site Truck Repair

Skip the shop lines. We come to your location and perform repairs on your semi or Class 8 truck on the spot — small to medium repairs that get you back rolling.

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Emergency Roadside

Emergency Roadside

Broke down and need help now? Reach out when you need help. Call, leave a message, text, or email — we always call or text back.

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Diagnostics

Diagnostics

Not sure what's wrong or need a second opinion? Aftertreatment issues, electrical problems , check engine lights— we give you an honest assessment, not a runaround.

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Pre-Purchase Inspections

Pre-Purchase Inspections

Spending big on a used truck? A thorough inspection is a must. You get pictures, videos, and a comprehensive checklist before you sign.

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DOT & PM Inspections

DOT & PM Inspections

Need a DOT inspection on a truck or trailer, or just a PM inspection? We get it done on site so you know the real status of your equipment.

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On-Site Fleet Dedication

On-Site Fleet Dedication

Simplify your fleet repairs and maintenance. Schedule CJMTR to come to your site and keep your downtime at a minimum. We treat your equipment like it's ours.

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Yard Trucks

Yard Trucks

Terminal tractors and spotter trucks work hard in tight cycles — we keep them moving. From routine maintenance to in-yard repairs, we service your yard fleet so your operation stays on schedule.

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Our Work

See It On Instagram

Pictures, videos, and recent jobs — follow along to see the work we do out in the field, on the road, and in the yard.

@cjmobiletruckrepair

Tap the link to view our Instagram page

Payments Made Simple.

Multiple ways to settle up — fast, flexible, and built for the road. Get back to the haul without the hassle.

CashApp
Zelle
Bank Transfer
COMDATA
EFS
Cash
Major Cards
Only for approved customers
CJ Mobile Truck Repair — Semi-Truck Mechanic
Mobile Mechanic Honest & TrustedLehigh Valley, PA

© 2026 CJ Mobile Truck Repair · Mobile-only semi-truck repair · Class 8 specialists

Talk to your mechanic · (484) 823-9002