Union TEC Truck & Trailer Repair

Repair or replace Batteries & Cables, Starter & Alternator diagnostics & repair.

Brake maintenance and repair. Compressor & governor repair, Air tank repair, Brake airline repair, Hydraulic line repair, Brake shoe & drum replacement, brake chamber repair and replacement. Pads & rotor replacement. Reliable brake repairs for commercial trucks & trailers—air brakes, drums & pads.

Expert electrical repairs for commercial trucks & trailers—lighting, wiring, sensors, ABS, and more. Fast diagnostics and reliable fixes to keep you rolling. Serving Charlotte, Monroe, Fort Mill & nearby areas. Trust Union Tec for power you can count on!

Commercial Truck Oil Change & PM Services. Replacement of oil & filters, greasing zerk fittings, check of fluids including Hubs, Transmission, gear box.

We replace air suspensions, ball joints, tie rods, king pins, leaf springs & more. Complete commercial truck & trailer suspension and steering repairs. Serving Charlotte, Monroe, Fort Mill & beyond. Trust Union Tec for heavy-duty reliability!

Service, Diagnose and Repair Automatic & Manual Transmissions. Heavy duty and semi truck transmissions Service, Diagnose and Repair. Eaton Transmission Repair, Allison Transmission Repair.

Stay cool on the road! Truck & Trailer Repair provides reliable truck AC repair in Monroe & Charlotte. From diagnostics to full service, we keep semis, dump trucks & trailers running at peak comfort. Book your service today!"

Collision repair, Frame correction, reconditioning, painting, sand blasting for corrosion and rust, Van body and trailer panel replacement, Fiberglass reconstruction and repair. Welding, Under bodies, full frame, and rims sandblasting.

Professional exhaust repairs for commercial trucks—DPF, DOC, mufflers, clamps, and custom pipe work. Fast, reliable service to keep your rig running clean and compliant. Serving Charlotte, Monroe, Fort Mill & surrounding areas. Trust Union Tec!

Commercial truck & trailer tire replacement and balancing—no plugs or patches, only new or quality used tires. Fast, reliable service to keep you rolling safely. Serving Charlotte, Monroe, Fort Mill & nearby. Union Tec gets the job done right!

Full Caterpillar Engine Diagnostics, Full Caterpillar Engine overhaul. Check liner height, counter bores, Fuel injectors, Cylinder head gasket, Front cover gasket, Valve cover seal, Oil pan gasket, Exhaust manifold, Pistons crown, Front & rear main seal Rod, main & thrust bearing Etc.

Full Detroit Engine Diagnostics, Full Detroit Engine overhaul. Check liner height, counter bores, Fuel injectors, Cylinder head gasket, Front cover gasket, Valve cover seal, Oil pan gasket, Exhaust manifold, Pistons crown, Front & rear main seal Rod, main & thrust bearing Etc.

Full Cummins Engine Diagnostics, Full Cummins Engine overhaul. Check liner height, counter bores, Fuel injectors, Cylinder head gasket, Front cover gasket, Valve cover seal, Oil pan gasket, Exhaust manifold, Pistons crown, Front & rear main seal Rod, main & thrust bearing Etc.

Full PACCAR Engine Diagnostics, Full PACCAR Engine overhaul. Check liner height, counter bores, Fuel injectors, Cylinder head gasket, Front cover gasket, Valve cover seal, Oil pan gasket, Exhaust manifold, Pistons crown, Front & rear main seal Rod, main & thrust bearing Etc.

International Maxxforce Engine overhaul. Check liner height, counter bores, Fuel injectors, Cylinder head gasket, Front cover gasket, Valve cover seal, Oil pan gasket, Exhaust manifold, Pistons crown, Front & rear main seal Rod, main & thrust bearing Etc.

Expert air brake repairs for commercial trucks & trailers—leaks, valves, chambers, lines & more. DOT-compliant service done fast and right. Serving Charlotte, Monroe, Fort Mill & nearby areas. Trust Union Tec to keep your brake system safe and strong!

HEATING & AIR CONDITIONING SYSTEM INSPECTIONS, DIAGNOSTICS, & REPAIRS. A/C refrigerant, Freon recharge, condenser repair, AC Compressor repair, evaporator & accumulator repair

Full diagnostics, Engine & Transmission repair and rebuilds. Body and frame work

ECM/ECU Diagnostics, programing, repairs or replacements. PCM Diagnostics, programing, repairs or replacements.

Full diagnostics. Engine, Transmission repair and rebuilds. Body, Paint and frame work.

Full diagnostics. Engine, Transmission repair and rebuilds. Body, Paint and frame work.

Truck Body repair, frame realignment and painting

Hydraulic & Electrical repairs services

Hydraulic & Electrical repairs services

Hydraulic & Electrical repairs services

Union Tec offers professional diesel engine diagnostics for semi-trucks, heavy-duty vehicles, and fleet trucks. Using advanced diagnostic software, we quickly identify engine faults, sensor issues, regen problems, and performance errors. Get fast, accurate results and expert repairs.

Hireach Aerial Equipment repair, E-line Aerial Equipment repair, Digger Derricks equipment repair, Boom Truck Crane equipment repairs.

24/7 roadside assistance for trucks and trailers. We handle breakdowns, air leaks & more. Fast response and expert service across Charlotte, Monroe, Fort Mill & surrounding areas. Call Union Tec and get back on the road fast!

Full Service Mobile Fleet Maintenance & repairs.

Fast, reliable 24/7 mobile truck repair for breakdowns, engine issues, air leaks & more. Our certified techs come to you—serving Charlotte, Monroe, Fort Mill & nearby areas. Get back on the road quickly with expert roadside service. Call now!

Diesel Doctor of Charlotte, Monroe & Fort Mill—offering expert diagnostics, engine repair, fleet maintenance & 24/7 roadside service. Fast, reliable, and trusted by fleets and drivers. Get back on the road with Union Tec!

Stay comfortable year-round with expert truck A/C and heating repairs. We service compressors, lines, blower motors, and more. Fast, reliable climate control service for commercial trucks. Serving Charlotte, Monroe, Fort Mill & nearby areas.

Union Tec offers the best commercial truck repair in Charlotte, NC—engine, brakes, suspension, diagnostics & more. Trusted by fleets & owner-operators for fast, reliable service. Get back on the road with expert care from Union Tec!

Expert truck collision repair—frame straightening, body work, paint, and panel replacement. We restore your truck to pre-accident condition fast. Serving Charlotte, Monroe, Fort Mill & nearby areas. Trust Union Tec for quality repairs that last!

Mobile Truck Repair in and near Monroe, NC. Diesel Repair shop in and near Monroe, NC

Mobile Truck Repair in and near Charlotte, NC. Diesel Repair shop in and near Charlotte, NC

Expert commercial truck & trailer body work—collision repair, panel replacement, welding, and paint. We restore your rig to like-new condition. Serving Charlotte, Monroe, Fort Mill & surrounding areas. Fast, reliable, and fleet-trusted service!

Expert welding repairs for commercial trucks & trailers—frame, floor, roof, rails & more. Steel, aluminum, and structural welding done right. Serving Charlotte, Monroe, Fort Mill & nearby areas. Trust Union Tec for strong, lasting welds!

Expert engine rebuilding for commercial trucks—complete overhauls, in-frame & out-of-frame rebuilds. Restore power, performance & reliability. Serving Charlotte, Monroe, Fort Mill & nearby areas. Trust Union Tec for precision diesel engine rebuilds!

Specializing in Allison transmission repair—diagnostics, rebuilds, and replacements. Fast, reliable service for commercial trucks. Serving Charlotte, Monroe, Fort Mill & surrounding areas. Trust Union Tec to keep your transmission running strong!

Specializing in Eaton transmission repair—diagnostics, rebuilds, and replacements. Fast, reliable service for commercial trucks. Serving Charlotte, Monroe, Fort Mill & surrounding areas. Trust Union Tec to keep your transmission running strong!