Heavy-Duty Repairs Done Right, Every Time
Heavy-Duty Truck & Trailer Repair You Can Count On
At Decker 24 HR Truck & Trailer, Inc., we keep trucks, trailers, and fleets moving across Northern Illinois and Southern Wisconsin. Serving a 50-mile radius from Belvidere, IL, our family-owned business has over 30 years of experience providing reliable, professional, and thorough repairs. We take pride in even the smallest jobs, ensuring every vehicle leaves our shop ready to perform safely and efficiently.
From emergency roadside service to full in-shop repairs, our team works with precision and integrity. We understand how vital each truck and trailer is to your business, and we treat every repair with the attention it deserves.
Call (847) 481-9851 for emergency service or to schedule repairs Tuesday–Friday from 10 AM to 6 PM, or Saturday from 10 AM to 4 PM.
Drivers Choose Decker 24 HR Truck & Trailer, Inc.
Our values guide everything we do. When you choose Decker, you’re hiring a team committed to keeping your trucks and trailers running smoothly, reliably, and safely.
Serving the Midwest’s Trucking Community
Located at 1010 ECS Way, Belvidere, IL, we proudly serve Rockford, Rochelle, Huntley, DeKalb, Dixon, Woodstock, and Algonquin, IL, as well as Janesville and Waller, WI.
Family-owned, insured, and dedicated to excellence, Decker 24 HR Truck & Trailer, Inc., is the trusted partner for truckers, fleets, and businesses that rely on reliable service. Your rig works hard, and so do we.
Comprehensive Services for Every Truck and Fleet
We provide a full range of services designed to reduce downtime, protect your investment, and maximize fleet performance.
Truck & Trailer Repair
Complete repairs for heavy-duty trucks and trailers, including engines, transmissions, drivetrains, electrical systems, welding, and DOT inspections. We keep your vehicles compliant and road-ready.
Fleet Maintenance
Preventive programs for fleets of any size. Oil changes, fluid checks, filter replacement, and inspections are scheduled to minimize downtime. Recurring appointments are available, with emergency after-hours service when needed.
Diesel Engine & System Repair
Specialized diagnostics, injector and turbo repair, ECM programming, and full rebuilds for Cummins, Detroit, CAT, and PACCAR engines. Mobile diagnostics are available for stranded vehicles.
Brake Repair Services
Air and hydraulic brake repairs, full rebuilds, chamber replacements, and air line work ensure safety and DOT compliance.
Tire Replacement
In-shop and roadside tire replacement, patching, retreads, and on-site disposal keep your fleet moving safely.
Trailer Parking
Secure, well-lit, fenced parking for semi trucks and trailers 24/7. Options include daily, weekly, or monthly rates, with discounts for large fleets.
⭐⭐⭐⭐⭐
I’ve had my trucks serviced with Decker 24 for 10+ years now. Quality and honest work if you’re looking for a diesel shop in Northern Illinois. Devon’s a good egg and knows his craft well. Highly recommend Kit and crew to get you back on the road!
B2B Trucking
⭐⭐⭐⭐⭐
Kit was very prompt and professional, we had a blowout on our 5th wheel this morning! He fixed our issue and soon we were back on the road!! We highly recommend Kit and his company 👌 …
D'Andrea S
⭐⭐⭐⭐⭐
We parked our truck and trailer there. The employees are really polite and took great care of our equipment. I highly recommend parking here—it's affordable and safe.
Safety Department
⭐⭐⭐⭐⭐
Decker24 in Belvidere Illinois did an alignment replaced the steering arm and flipped 4 of my drive tires on the rims on my Coronado. Price was fair and they did a phenomenal job. My steer tires wore down perfectly. Definitely recommend . Friendly to work with.. I will be going back in the future.
Phil H
⭐⭐⭐⭐⭐
Excellent Parking for Semi Trucks
The lot is large, with plenty of space to easily maneuver my 53-foot semi.
The rates are very reasonable and they do have a shop with really professional service.
Lukas V
See What Our Customers Are Saying
At Decker 24 HR Truck & Trailer, Inc., we value every customer and take pride in our work. If we’ve kept your truck, trailer, or fleet running smoothly, we’d love to hear from you. Share your experience and help others find trusted, reliable service today.
Choosing Decker 24 HR Truck & Trailer, Inc., means working with a team that treats every client like part of our own team, ensuring personalized attention and care for every truck, trailer, or fleet vehicle that comes through our doors. Trusted by truckers and fleet operators throughout Illinois and Wisconsin, we have built a reputation for reliability, professionalism, and results that keep our clients’ operations moving smoothly. Our technicians are highly skilled in all major truck, trailer, and diesel systems, capable of handling complex mechanical repairs, electrical diagnostics, preventive maintenance, and emergency roadside service. By combining decades of hands-on experience with a genuine commitment to client satisfaction, we provide service that not only meets but exceeds expectations, giving fleet owners and drivers the confidence that their vehicles are in expert hands.
⭐⭐⭐⭐⭐
I’ve had my trucks serviced with Decker 24 for 10+ years now. Quality and honest work if you’re looking for a diesel shop in Northern Illinois. Devon’s a good egg and knows his craft well. Highly recommend Kit and crew to get you back on the road!
B2B Trucking
⭐⭐⭐⭐⭐
Kit was very prompt and professional, we had a blowout on our 5th wheel this morning! He fixed our issue and soon we were back on the road!! We highly recommend Kit and his company 👌 …
D'Andrea S
⭐⭐⭐⭐⭐
We parked our truck and trailer there. The employees are really polite and took great care of our equipment. I highly recommend parking here—it's affordable and safe.
Safety Department
⭐⭐⭐⭐⭐
Decker24 in Belvidere Illinois did an alignment replaced the steering arm and flipped 4 of my drive tires on the rims on my Coronado. Price was fair and they did a phenomenal job. My steer tires wore down perfectly. Definitely recommend . Friendly to work with.. I will be going back in the future.
Phil H
⭐⭐⭐⭐⭐
Excellent Parking for Semi Trucks
The lot is large, with plenty of space to easily maneuver my 53-foot semi.
The rates are very reasonable and they do have a shop with really professional service.
Lukas V
⭐⭐⭐⭐⭐
I’ve had my trucks serviced with Decker 24 for 10+ years now. Quality and honest work if you’re looking for a diesel shop in Northern Illinois. Devon’s a good egg and knows his craft well. Highly recommend Kit and crew to get you back on the road!
B2B Trucking
⭐⭐⭐⭐⭐
Kit was very prompt and professional, we had a blowout on our 5th wheel this morning! He fixed our issue and soon we were back on the road!! We highly recommend Kit and his company 👌 …
D'Andrea S
⭐⭐⭐⭐⭐
We parked our truck and trailer there. The employees are really polite and took great care of our equipment. I highly recommend parking here—it's affordable and safe.
Safety Department
⭐⭐⭐⭐⭐
Decker24 in Belvidere Illinois did an alignment replaced the steering arm and flipped 4 of my drive tires on the rims on my Coronado. Price was fair and they did a phenomenal job. My steer tires wore down perfectly. Definitely recommend . Friendly to work with.. I will be going back in the future.
Phil H
⭐⭐⭐⭐⭐
Excellent Parking for Semi Trucks
The lot is large, with plenty of space to easily maneuver my 53-foot semi.
The rates are very reasonable and they do have a shop with really professional service.
Lukas V
Call (847) 481-9851 for 24/7 emergency truck or trailer repair, fleet maintenance, or secure parking.
