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.
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 StoryWhat 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 224-522-5936Parts 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.
Our Shop
Built for Heavy-Duty Work
State-of-the-art bays, certified technicians, and the tools to handle any commercial truck or trailer.
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.
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