Lake Bluff → Milwaukee

The Comeback
of the
Century

Bigger Shop. Bigger Plans. Same Truck City.

Truck City Diesel is back with a larger Milwaukee facility built to keep trucks working and fleets moving.

15+Years in Business
All MakesTrucks & Trailers
DOTInspections
✦ Engine Repair✦ Oil Changes & PM✦ Reefer Service✦ Medium Duty Trucks✦ Brake Systems✦ Electrical Diagnostics✦ Fleet Accounts✦ Commercial Parts✦ Fabrication & Welding✦ DOT Inspections✦ Engine Repair✦ Oil Changes & PM✦ Reefer Service✦ Medium Duty Trucks✦ Brake Systems✦ Electrical Diagnostics✦ Fleet Accounts✦ Commercial Parts✦ Fabrication & Welding✦ DOT Inspections
Truck City Diesel Milwaukee facility
Milwaukee Facility6242 N 64th St — open for business

The Next Chapter

The Next Chapter of Truck City

After years serving the trucking industry from Lake Bluff, Truck City Diesel has started its next chapter in Milwaukee. The new facility gives our team more room, better equipment, and more capability to keep heavy-duty trucks on the road.

Same crew. Same standards. Same commitment to getting you diagnosed, repaired, and back on the road — now with a facility built to match the work we've always done.

Our Full Story

What We Do

Built for Heavy Duty

Diesel Engine Repair & Diagnostics

Heavy-duty diagnostics, engine troubleshooting and repair for all major platforms.

Oil Changes & Preventive Maintenance

Oil changes, filters, fluids, and scheduled PM for heavy-duty and medium-duty trucks.

Reefer Unit Service

Full maintenance and repair for refrigerated trailer units — keep your reefer running reliably.

Medium Duty Trucks

Class 4–7 trucks including box trucks and flatbeds — same quality service as our Class 8 work.

Brakes & Suspension

Air brake systems, suspension, steering and chassis repair.

Trailer Repair

Brakes, suspension, electrical, structural repairs and trailer maintenance.

Electrical & Aftertreatment

Electrical troubleshooting, charging systems, sensors, emissions diagnostics and related repairs.

Fabrication & Welding

Heavy-duty fabrication, structural repair and welding.

Trucks Don't Make Money Sitting Still.

Our job is to get you diagnosed, repaired and back on the road.

Call 224-522-5936

Parts Department

Heavy-Duty Truck Parts

We carry and source parts for major heavy-duty truck and engine manufacturers. Availability may vary — contact us for current inventory.

Parts & Accessories

From filters and belts to major drivetrain components — we have what you need in stock or can source it fast through our dealer network. Call with your VIN or part number for same-day availability.

CumminsDiesel Engines
DetroitDiesel
CaterpillarHeavy Equipment
FreightlinerTrucks
PeterbiltTrucks
KenworthTrucks
Engine ComponentsFilters, gaskets, injectors, turbos
DrivetrainClutches, U-joints, driveshafts
Brake PartsAir brake kits, drums, rotors
ElectricalStarters, alternators, sensors
Fast Parts SourcingCall with VIN or part number for faster service
Shop SupportParts available alongside diagnostics and repair
Truck parts inventory
Parts counterIn-stock and same-day sourcing

Our Shop

Built for Heavy-Duty Work

State-of-the-art bays, certified technicians, and the tools to handle any commercial truck or trailer.

Truck City Diesel repair bay
Truck City Diesel — MilwaukeeFull-service commercial repair facility

Why Truckers Choose Us

We've been turning wrenches for over 15 years. No upsells, no runaround — just straight answers and solid work. Owner-operators and fleets trust us because we treat every truck like it's our own livelihood.

•Diesel technicians with real heavy-duty experience•Heavy-duty and medium-duty trucks, trailers, and reefer units•Transparent pricing, written estimates•Fleet accounts with priority scheduling•DOT inspection ready
Engine Bay
Engine BayDiesel engine overhaul
Diagnostics
DiagnosticsElectronic fault scanning

Follow Along

See What's Happening at Truck City

We post real shop work, repairs, and behind-the-scenes content from the Milwaukee facility. Follow us to see what we're working on.

Why Truck City Diesel

Why Truck City Diesel

Heavy & Medium Duty

We work on Class 4–8 trucks, trailers, and reefer units — not just semis.

Straightforward Service

Clear communication about what your truck needs. No runaround.

Fleet Capability

From individual owner-operators to commercial fleets.

Milwaukee Facility

A larger facility built for heavy-duty repair and commercial vehicles.

Get in Touch

Need Your Truck Back on the Road?

Call us, email us, or fill out the form below. We respond fast — usually within the hour during business hours.

Bigger Shop. Bigger Plans.
Same Truck City.

Truck City Diesel — Milwaukee, Wisconsin