Waterbury, Connecticut · Mobile only · 7AM - 11PM

Mobile truck, trailer, and fleet repair that comes to you.

On-site diagnostics and repair for commercial trucks, trailers, reefers, fleet equipment, and yard units across the greater Waterbury area. Less towing, less waiting, less downtime.

Call 203.901.2986 See What We Fix

7AM - 11PMEvery day for now

35-mile radiusWaterbury-based coverage

Mobile onlyNo shop drop-off required

4.6 Google rating28 public reviews

What we do

The repairs that get trucks back to work.

CDR is built for calls where a unit is stuck, delayed, or not safe to send back out. We diagnose the issue, explain the fix, and handle the work on-site when practical.

Truck and trailer diagnostics

Fault tracing for drivability, electrical, ABS, and warning-light issues.

Electrical and lighting

Wiring faults, trailer lighting, charging problems, and connection issues.

Brake and air systems

Air leaks, brake concerns, fittings, valves, chambers, and related failures.

Aftertreatment

DPF, DEF, SCR, EGR, derate concerns, and practical diagnostic support.

Reefer and auxiliary equipment

Support for fleet equipment, refrigerated trailers, hydraulics, and accessories.

Preventive maintenance

Fleet support that keeps minor problems from becoming expensive downtime.

Roadside support

Fast help for breakdowns, yards, docks, lots, and shoulder calls.

Commercial fleet vehicles

Medium-duty trucks, trailers, work vehicles, forklifts, and mixed fleets.

How the call works

Clear, practical repair from the first phone call.

No vague guessing. We ask the right questions up front so the truck, trailer, or equipment gets the right diagnostic attention when we arrive.

1. Call with the issueVehicle type, symptoms, location, and urgency.

2. We come to the unitRoadside, yard, dock, job site, or fleet lot.

3. Repair or next moveFix it on-site when possible, or give a clear path forward.

Coverage

Based in Waterbury. Built for Connecticut fleet calls.

Coverage is roughly a 35-mile radius, with longer runs when the job and timing make sense.

Service area

Waterbury · Naugatuck · Cheshire · Wolcott · Watertown · Middlebury · Southington · Bristol · Plainville · New Britain · Meriden · Wallingford · Berlin · Farmington · West Hartford · Hartford · Newington · Wethersfield · Torrington · Thomaston · Southbury · Woodbury · Oxford · Seymour · Derby · Ansonia · Newtown · Brookfield · Danbury

Hours

Monday - Friday7:00AM - 11:00PM

Saturday - Sunday7:00AM - 11:00PM

After hoursCall and ask

Mobile only. We come to the vehicle.

What we service

FreightlinerPeterbiltKenworthMackVolvoInternationalWestern StarIsuzuHinoFord F-SeriesFreightliner M2Chevy / GMCMitsubishi FusoCommercial trailersReefersForklifts

Need service?

Truck down? Let's get it moving.

Call for the fastest response. If it can wait, send the details: vehicle, location, symptoms, and whether the unit is safe to move.

203.901.2986 Chrisdiagrepair@gmail.com Waterbury, Connecticut

Call 203.901.2986 Contact Page

When you call, have this ready: Name, company, phone number, vehicle year/make/type, exact location, symptoms, warning lights, and whether the vehicle is loaded or blocking access.