About us

MAC Truck Repair Shop in Martinsburg, WV

At MAC Truck Repair Shop USA, we know how critical it is to keep your fleet running safely and efficiently. From computer diagnostics and diesel repairs to trailer work, brakes, suspension, and DOT prep, we help owner-operators and fleets stay rolling along the I-81 corridor.

Originally founded in 2016 to service our own transportation units, the shop has grown into a trusted resource for truck and trailer repairs.

Today, we are excited to share that the shop is under new ownership and management, bringing a fresh vision while maintaining the same dedication to quality service and reliability as our customers have come to expect.

Our team of highly skilled mechanics brings over 25 years of combined experience in heavy-duty truck and trailer repair, with expertise in diesel engines, electronic systems, brakes, tires, transmissions, clutches, differentials, and advanced diagnostics.

Our Mission

Get you back to work—fast—without guesswork.
We combine thorough diagnostics, quality parts, and practical experience so your truck leaves our bay compliant, reliable, and earning again.

SEE OUR TRUCK & TRAILER REPAIR SERVICES

What sets us apart

  • Honest, transparent diagnostics every time.
  • No unnecessary parts or upselling.
  • Choice of OEM or aftermarket parts.
  • 6-acre yard with 8 service bays and secure parking.
  • Mobile repair truck and towing service available.
  • Workmanship guaranteed.

We service all makes and models of trucks and trailers—including semis, dry vans, flatbeds, bulk pneumatics and reefers—with specialized knowledge in Cummins, Detroit, Volvo, Mack, and more.

Why Drivers & Fleets Choose MAC Truck Repair Shop

  • Accuracy first: We diagnose before we replace—saving time and money.

  • Commercial-grade parts: Sourced for durability and availability.

  • Clear communication: Straight answers, photos/video when helpful, no surprises.

  • Fast turnarounds: Priority scheduling for down units and time-sensitive loads.

  • Fleet-friendly: PM programs, unit history, and predictable maintenance plans.

How We Work

Facilities & Equipment

Customers & Fleets

- Scheduling: by phone, online, or in person.

- Upfront estimates: no work begins without customer approval.

- Communication: we keep you informed via phone call or email.

- Turnaround time: PM Services typically take about 2 hours.

- Parts: OEM or aftermarket—customer’s choice (customers may provide their own parts with a small surcharge).

- Full diagnostic service with scanner for all types of systems.

- DEF system diagnostics and maintenance, including filter cleaning.

-Electrical systems inspection and repair: starters, alternators, Harnes wire, sensor replacement, and module reprogramming.

- 6-acre yard with 8 service bays and secure parking.

- Parking service available in our yard on a monthly basis.

- Bobcat on-site.

- Mobile repair truck and tow truck.

We serve:

- Transportation companies.

- Independent owner-operators.

- Commercial fleets (maintenance contracts available with volume discounts for up to 5+ trucks).

Guarantee:
all labor is guaranteed, and trucks undergo road testing before delivery.

Trust & Testimonials

Our customers value our honesty, accurate diagnostics, and fast turnaround. We
also maintain long-term partnerships with parts distributors, ensuring our clients always
get the best price.

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