Diesel Repair Shops in Frederick, Maryland

Find a trusted diesel mechanic in Frederick — pickups, RVs, ag and fleet. 8 shops listed with an average rating of 4.1 stars.

8Diesel Shops

18Service Types

3Open 24 Hours

4.1Average Rating

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Diesel Engine Repair & Diagnostics8 shops Trailer Repair3 shops Fleet Maintenance8 shops RV & Agricultural Diesel6 shops

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All Diesel Repair Shops in Frederick

GT Mid Atlantic

Frederick, MD

(301) 786-5662

4.7★(11 reviews)

OEM PartsDiesel RepairIndependent ShopHighly Rated

Commercial Fleet Services

Frederick, MD

(240) 490-7613

4.6★(29 reviews)

Fleet MaintenanceDiesel Engine RepairDOT InspectionsRV RepairTransmission Repair +2 more

Professional Auto & Truck Service LLC

Frederick, MD

(301) 662-5292

4.6★(49 reviews)

Transmission RepairDOT InspectionsEngine DiagnosticsFleet MaintenanceDiesel Specialist

American Truck Services Inc

Frederick, MD

(301) 874-5577

4.5★(15 reviews)

RV RepairDiesel Engine RepairDiesel Specialist

Marks Equipment Service

Frederick, MD

24/7

(301) 874-3324

4.3★(84 reviews)

ASE CertifiedDiesel SpecialistOpen 24 Hours

J & M Truck Repair Inc

Frederick, MD

(301) 668-3400

4.1★(116 reviews)

RV RepairDiesel Engine RepairDiesel Specialist

Frederick RPM Truck Repair

Frederick, MD

24/7

(240) 932-5251

3.3★(7 reviews)

RV RepairDiesel Engine RepairDiesel SpecialistOpen 24 Hours

Frederick Truck & Trailer Repair

Frederick, MD

24/7

(240) 219-5841

2.6★(5 reviews)

Fleet MaintenanceBrake ServiceDPF CleaningTransmission RepairMobile Service +3 more