Services · Mobile truck repair

Truck, trailer, and fleet repairs handled where the unit sits.

CDR handles the practical diagnostics and repairs that keep commercial vehicles moving across the Waterbury area. Call first for the fastest response.

Core mobile services

Short, clear, and focused on the problems that stop a truck, trailer, or fleet vehicle from earning.

01

Truck diagnostics

Warning lights, drivability problems, derates, no-start concerns, and fault tracing.

02

Trailer diagnostics

ABS, lighting, wiring, air system, brake, and connection issues.

03

Electrical and wiring

Shorts, broken circuits, lighting faults, charging concerns, and harness problems.

04

Brake and air systems

Air leaks, chambers, valves, fittings, lines, and brake-related road calls.

05

Aftertreatment

DPF, DEF, SCR, EGR, derate support, and diagnostic direction.

06

Fleet maintenance

Preventive maintenance and practical support for mixed commercial fleets.

What we service

Commercial vehicles, trailers, and equipment.

We support Class 8 tractors, medium-duty trucks, commercial trailers, reefers, yard equipment, forklifts, and work vehicles.

  • Roadside callsBreakdowns, lots, yards, docks, and shoulder calls.
  • Fleet supportKeep multiple units moving with practical maintenance and repair.
  • Honest next stepsIf it cannot be finished on-site, you get a clear direction.
Need service?

Call CDR and describe the issue.

Vehicle type, location, symptoms, warning lights, and whether the unit is loaded or blocking access.

203.901.2986Chrisdiagrepair@gmail.com
Hours are currently 7AM - 11PM. After hours, call and ask. Mobile only; we come to the vehicle.