Heavy Duty Truck
Repair Services
44 specialized services for Class 6-8 commercial vehicles. From DOT inspections to complete engine overhauls, CTR is Concord's most comprehensive heavy duty repair facility.
Serving the Charlotte Metro & I-85 Corridor Since 1995
All Heavy Duty Services
Click any service category to explore, or go directly to a specific service page for detailed information, pricing, and FAQs.
General Diesel Repair
Comprehensive diesel engine diagnostics and repair for all makes
Engine Repair & Overhaul
In-frame and out-of-frame overhauls, Cummins, Detroit, PACCAR
Transmission & Clutch
Eaton Fuller, Allison automatic, ZF transmissions
Clutch Repair
14" and 15.5" clutch replacement, adjustment, flywheel resurfacing
Turbo Repair
Turbocharger diagnostics, rebuild, VGT actuator calibration
Fuel System Repair
Injector testing, HEUI systems, fuel pump replacement
Driveshaft Repair
U-joint replacement, driveshaft balancing, carrier bearing service
Differential Repair
Ring & pinion, power divider, inter-axle differential service
PTO Repair
Power take-off installation, repair, and clutch pack service
Brake Repair
Foundation brakes, drums, shoes, slack adjusters, hardware
Air Brake Repair
Compressors, valves, air dryers, chambers, brake timing
ABS Repair
Anti-lock brake system diagnostics, sensors, modulators
Suspension Repair
Air ride, leaf spring, shock absorbers, ride height
Steering Repair
Power steering, gear boxes, drag links, tie rods
Wheel Alignment
Steer axle, drive axle, trailer alignment, thrust angle
Tire Service
Commercial tire mounting, balancing, rotation, TPMS
Electrical Repair
Wiring, ECM diagnostics, lighting, multiplexing systems
Alternator & Starter
High-output alternators, starters, charging system analysis
Battery Service
Commercial battery testing, replacement, cable service
DPF & Aftertreatment
DPF cleaning, DOC service, SCR catalyst, forced regen
DEF System Repair
DEF injector, pump, tank heater, quality sensor service
EGR Repair
EGR valve, cooler, actuator diagnostics and replacement
AC & Heating
Cab and sleeper HVAC, compressor, condenser, heater core
Exhaust Repair
Exhaust manifolds, turbo piping, DPF-back systems
DOT Inspections
Federal annual inspections, pre/post-trip, CVSA Level I-V
Fleet Maintenance
Custom PM programs, fleet tracking, cost-per-mile optimization
Preventive Maintenance
PM-A, PM-B, PM-C scheduled service intervals
Oil Change
Diesel oil service, filter replacement, oil analysis
Cooling System
Radiator, water pump, thermostat, coolant service
Hydraulic System Repair
Pumps, cylinders, valves, hose fabrication
Welding & Fabrication
MIG, TIG, stick welding, frame repair, custom fabrication
Freightliner Repair
Cascadia, M2, Columbia — factory-level diagnostics
Kenworth Repair
T680, W900, T880 — PACCAR MX engine specialists
Peterbilt Repair
579, 389, 567 — premium truck service
Volvo Truck Repair
VNL, VNR, VHD — I-Shift transmission experts
Mack Truck Repair
Anthem, Pinnacle, Granite — mDRIVE specialists
Trailer Repair
Dry van, flatbed, reefer, tanker trailer service
Fifth Wheel Repair
Coupling, locking mechanism, mounting plate service
Dump Truck Repair
Hydraulic lift, body, tailgate, PTO-driven systems
Bus Repair
School bus, transit, coach — HVAC, brakes, engine
Box Truck Repair
Roll-up doors, liftgates, cargo area, medium duty
Flatbed Repair
Deck repair, stake pockets, winch systems, tie-downs
Reefer Repair
Thermo King, Carrier — refrigeration unit service
Liftgate Repair
Waltco, Maxon, Anthony — hydraulic & electric liftgates
All 44 Services
Why Choose CTR
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Heavy Duty Repair Near You
CTR Heavy Duty — Armentrout Dr
Serving the greater Charlotte metro area and I-85 corridor: