đźš› Diesel Diagnostic & Repair
Heavy-Duty Semi Truck & Trailer Service
đź“Ť 4881 Pittsburgh Road, Harrisville, PA 16038
Hours: Monday–Friday 8:00 AM – 6:00 PM | After-Hours Emergency Service 24/7
Our Services Include:
24/7 In-Shop & Roadside Repairs
Diesel Engine Diagnostics & Repair
Complete Engine Overhauls & Rebuilds
Transmission & Clutch Repair
Differential & Driveline Repair
Oil Changes & Preventive Maintenance
DOT Inspections & Safety Checks
Brake Repairs & Replacement (Air & Hydraulic)
Suspension Repairs & Alignment
Electrical & Lighting Repairs
Air System Diagnostics & Repair
Cooling System Service (Radiators, Hoses, Water Pumps)
Fuel System Repairs & Cleaning
Trailer Repairs (Doors, Floors, Roofs, Structural)
Tire Repair & Replacement
Welding & Fabrication
And More
At Diesel Diagnostic & Repair, we know every hour of downtime costs you money. That’s why we provide fast, dependable service to keep your truck or trailer running strong. Whether you’re stuck on the side of the road or scheduled for shop service, our experienced team works around the clock to get you back on the road — safely, efficiently, and with repairs you can trust.
