General Repair & Maintenance
Start with the whole truck or trailer, then address the work needed to get it road-ready.
- Truck & trailer repair
- Preventive maintenance service
Park City / Waukegan, Illinois
Truck & Trailer Repair That Gets Straight to the Problem.
Big Truck & Trailer Repair is a heavy-duty repair shop at 3627 Washington St, right on the Park City / Waukegan, Illinois border. The shop handles truck and trailer repair, diagnostics, brakes, suspension, alignment, preventive maintenance, electrical work, A/C and cooling systems, welding, and fabrication.
Call (847) 599-1566
Andy · Lead Technician
- 4.8 on Google · 115 reviews
- Mon–Fri until 11:30 PM
- Park City / Waukegan, IL 60085
From diagnostics to the shop floor
Diagnose first.
Repair with a plan.
Big Truck & Trailer Repair provides 24/7 roadside service and handles the maintenance, diagnostics, mechanical, electrical, and fabrication work needed to keep heavy-duty equipment road-ready. The shop works on Volvo, Kenworth, Freightliner, Peterbilt, and Mack trucks, with engine service on Cummins, Detroit, PACCAR, Volvo, and Cat.
- 17+Years in Business
- 10 minFrom I-94
- DOTInspections On-Site
- No Hidden Markups
- ≈ 2 hr PM Service
- ≈ 1 hr Diagnostics
Complete truck support
One Shop.
Whole Truck.
Heavy-duty truck and trailer repair services in Park City near Waukegan, Illinois.
Select a service to see what the shop handles.
Diagnostics & Electrical
Identify electronic and aftertreatment faults before the repair work begins.
- Computer diagnostics
- Electrical repair
- DEF system service
Brakes, Suspension & Alignment
Correct the systems that affect stopping, handling, ride, and tire wear.
- Brakes & suspension repair
- Heavy-duty alignment
- Suspension & chassis bushings
Engine & Drivetrain
Mechanical service for engine operation and power delivery problems.
- Valve adjustment
- Transmission diagnostics & repair
A/C & Cooling Systems
Service and troubleshooting for cab comfort and engine temperature control.
- Cab A/C service
- Engine cooling-system service
Trailer, Tires & Fabrication
Practical shop work for trailer systems, tire needs, and fabricated repairs.
- Trailer repair
- Heavy-duty tire service
- Welding & fabrication
DOT Inspections
On-site DOT inspection service for heavy-duty trucks and trailers.
- Truck DOT inspection
- Trailer DOT inspection
AVAILABLE NOW · 24/7
Broken Down? Mobile Road Service Runs 24/7.
Mobile Truck Repair · Up to 150 Miles Big Truck & Trailer Repair dispatches an equipped service truck from its Park City facility near Waukegan, Illinois. Call the dedicated road-service line with your location, truck or trailer details, and a description of what happened.
- Dedicated road-service line available 24/7
- Equipped mobile repair truck dispatched to your location
- Up to 150 miles from Park City, IL, subject to availability
Verified Local Proof
Trusted by Truck Owners.
Google reviewers repeatedly mention work quality, trailer repair, fast turnaround, clear explanations, and honest communication.
The first shop that actually knows how to do alignment on a heavy-duty Volvo truck.
Google reviews
4.8
Average rating
115
Reviews on Google
- 17+Years in business
- 24/7Road service
More Google Reviews
0104
Independent Google review excerpts. Rating and review count snapshot: Aug. 28, 2026. The Google profile is the current source.
Real Facility · Real Work
Inside the Shop. Built for Heavy-Duty Work.
This is the working shop behind the service list: technicians, diagnostic equipment, tools, and heavy-duty trucks in the bay.
0109
Park City / Waukegan, Illinois
Truck Repair on thePark City / Waukegan, IL Border.
Big Truck & Trailer Repair is located at 3627 Washington St, Park City, IL 60085, right on the Park City / Waukegan, IL border. Call before you drive in to confirm availability and discuss the truck or trailer, the symptoms, and the work you may need.
Heavy-Duty Truck & Trailer Repair
Address
3627 Washington St
Park City, IL 60085
Park City, IL 60085
Shop Phone
(847) 599-1566
Hours
Mon–Fri7 AM – 11:30 PM
Sat7 AM – 1 PM
SunClosed
Direct Answers
Questions Before You Call the Shop.
Practical information for truck owners and fleets considering service in Park City or Waukegan, Illinois.
Do you repair trucks and trailers outside the KLG fleet?
Yes. Big Truck & Trailer Repair works with independent owner-operators and fleets; service is not limited to KLG equipment.
What heavy-duty truck and trailer repair services are available?
The shop provides diagnostics, preventive maintenance, and mechanical, electrical, cooling-system, and DEF-system repair for heavy-duty trucks and trailers. Available work includes brakes, suspension, heavy-duty alignment, tires, transmission repair, bushings, valve adjustments, and welding and fabrication.
What truck makes and engines does the shop work on?
The shop works on Volvo, Kenworth, Freightliner, Peterbilt, and Mack trucks, including Cummins, Detroit, PACCAR, Volvo, and Caterpillar (Cat) engines. Call about your specific model and repair need before arrival.
Do you repair heavy-duty commercial trailers?
Yes. Big Truck & Trailer Repair handles general trailer repair, including brakes, suspension, electrical systems, tires, and welding and fabrication. Call (847) 599-1566 with the trailer type and problem so the shop can confirm the work it can handle.
Do you perform annual DOT inspections for trucks and trailers?
Yes. Big Truck & Trailer Repair performs annual DOT inspections for trucks and trailers at its Park City, IL shop. Commercial motor vehicles subject to federal inspection requirements must be inspected at least once every 12 months. Call (847) 599-1566 to confirm availability and documentation timing.
Do you provide 24/7 mobile truck repair near Park City and Waukegan, IL?
Yes. Big Truck & Trailer Repair dispatches mobile road service from its Park City, IL facility 24/7. Service may be available up to 150 miles from Park City, IL, depending on location, safety, and current availability. Call the dedicated road-service line at (224) 400-0400 with your location, truck or trailer details, and a description of what happened.
What roadside breakdowns can your mobile mechanic repair on-site?
Depending on the location, safety conditions, parts availability, and diagnosis, the mobile technician may be able to handle batteries, starters and alternators, air or coolant leaks, belts and hoses, brake adjustments, tires, and certain diagnostic faults. Some breakdowns require towing or shop repair. Call the 24/7 road-service line at (224) 400-0400 and describe the problem.
Where is the shop and what are the hours?
Big Truck & Trailer Repair is at 3627 Washington St, Park City, IL 60085, near Waukegan. Shop hours are Monday–Friday 7 AM–11:30 PM, Saturday 7 AM–1 PM, and Sunday closed. Call (847) 599-1566 to confirm current hours and availability.
Should I call before bringing a truck or trailer to the shop?
Calling ahead is recommended. Call Big Truck & Trailer Repair at (847) 599-1566 and describe the truck or trailer, symptoms, and work needed so the shop can confirm availability. You may also come directly during shop hours; on-site parking is available, and the shop can place your truck or trailer in the service queue until a bay becomes available.
Shop hours and Google profile details reviewed against Google Maps on August 28, 2026. Call the shop for current availability.
Also Part of Karo Lara Group
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