Expert Truck Steering,
Transmissions & Rears Rebuilds
Serving PA, NJ, MD & DE
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Veteran-owned & family-operated since 2010. Servicing PA, NJ, MD & DE.
Heavy-duty commercial trucks only — we do not service automotive vehicles.
Transmission Repair & Rebuilds
Professional heavy-duty drivetrain rebuilding for commercial trucks, municipal fleets, and construction vehicles. We service all major brands including Peterbilt, Freightliner, Mack, International, Kenworth, and Volvo.
Manual & Automatic Transmissions
Complete transmission rebuilding for all makes and models of heavy-duty trucks. We specialize in Fuller, Eaton, Allison, and Spicer transmissions for fleets, fire trucks, dump trucks, and cement mixers. Our technicians have over 60 years of combined experience rebuilding commercial truck transmissions.
Common Symptoms We Fix:
- Slipping gears and rough shifting
- Transmission fluid leaks and overheating
- Complete overhauls and rebuilds
- Clutch replacement and adjustment
Heavy-Duty Rear Ends & Differentials
Expert rear axle and differential rebuilding for heavy-duty applications. We rebuild Dana, Meritor, Spicer, and Rockwell rear ends for single and tandem axle configurations. Our shop handles everything from gear ratio changes to complete differential overhauls.
Common Symptoms We Fix:
- Differential noise and grinding
- Axle seal leaks and bearing failure
- Ring and pinion replacement
- Complete differential overhaul
Steering, Suspension & Driveline
Expert steering box rebuilding for heavy-duty trucks. We rebuild Sheppard, TRW, and Ross steering gears to ensure your truck handles safely and responds properly—critical for fleet and municipal vehicles including fire trucks.
Common Symptoms We Fix:
- Steering play and loose wheel feel
- Steering box rebuilds and replacements
- Power steering pump service
- Steering component diagnostics
Why STR Rebuilders
When your truck is down, you need it fixed fast and fixed right. STR Rebuilders delivers quality workmanship, honest pricing, and fast turnaround so you can get back on the road. Read customer reviews to see why fleets trust us.
60+
Years of Experience
47,000+
Rebuilds Completed
4 States
Service Coverage
100%
Price Transparency
What Sets Us Apart
Veteran-Owned & Family-Operated Since 2010
Built on trust, integrity, and hard work. We treat every truck like our own.
Fast Turnaround Time
We understand downtime costs money. Our efficient processes get you back on the road quickly.
Honest, Fair Pricing
No surprise charges. We provide clear estimates and stick to them.
Specialized Experience
Extensive work with fire trucks, municipal fleets, construction equipment, and concrete mixers.
Contact Information
Location
439 South Bolmar Street
West Chester, PA 19382
Phone
(302) 602-1494Business Hours
Monday - Friday: 8:00 AM - 4:00 PM
Saturday - Sunday: Closed
Brands We Service
Trusted expertise across all major truck and drivetrain manufacturers
Our Work
We take pride in our craftsmanship and rebuild complex drivetrain components to OEM specifications. Every component is thoroughly tested before installation.
What Our Customers Say
Don't just take our word for it — hear from truck owners and fleet managers who trust STR Rebuilders with their heavy-duty drivetrain work.
"Joe and his guys run a honest business with fair prices. Quick turn around time for all jobs. Would definitely use again!"
"I've tried every trans and rear place around. Joe and his guys are the best there is, was, or ever will be"
"Rebuilt a steering box for our fire company's ladder truck. Quick turn around."
"Very happy with there work"
Service Area
STR Rebuilders is located in West Chester, Pennsylvania, and serves fleets, municipalities, fire companies, construction trucks, and independent owner-operators across the Mid-Atlantic region. Get directions to our shop.
Our Service Area
- Pennsylvania - Statewide Service
- New Jersey - Full Coverage
- Maryland - Complete Service
- Delaware - All Areas
* Pickup and delivery options available for qualifying repairs. Contact us for details.
Industries We Serve
- Commercial Fleet Operators
- Municipal & Fire Departments
- Construction & Concrete Companies
- Independent Owner-Operators
- Dump Truck & Heavy Haul
Get a Quote / Schedule Service
Ready to get your truck back on the road? Request a quote below or call us at (302) 602-1494. We typically reply within one business day.
Contact Information
Location
439 South Bolmar Street
West Chester, PA 19382
Phone
(302) 602-1494Business Hours
Monday - Friday: 8:00 AM - 4:00 PM
Saturday - Sunday: Closed
Emergency Service
Need immediate assistance? Call us anytime using the number below.
Call Now: (610) 314-5991FAQs
Common questions about our transmission rebuild services, turnaround times, and warranty coverage
What types of vehicles do you service?
We specialize in heavy-duty trucks including fire trucks, municipal vehicles, construction equipment (mixers, dump trucks), tractor trailers, and commercial fleets. We service all major brands including Peterbilt, Freightliner, Mack, International, Volvo, and more. Please note: We do not work on cars or light-duty passenger vehicles.
How long does a typical rebuild take?
Most transmission and rear rebuilds take 1–2 business days. Steering boxes can sometimes be same-day. We understand downtime costs money, so we prioritize fast turnaround without compromising quality. Emergency rush service is available — call us to discuss your timeline.
Do you offer pickup and delivery service?
Yes! We can arrange pickup and delivery for transmissions, rears, and other drivetrain components throughout Pennsylvania, New Jersey, Maryland, and Delaware. Contact us to discuss logistics for your specific location and needs.
What warranty do you provide on rebuilds?
We stand behind our work with a 2 years, unlimited miles warranty on all rebuilds. Your drivetrain is covered no matter how hard you run it.
Do you sell parts separately?
Yes, we can source and stock many parts — call us at (302) 602-1494 with what you need and we'll get you taken care of.
What payment methods do you accept?
We accept cash, checks, and major credit cards. For fleet customers, we can set up invoicing and payment terms. Contact us to discuss payment options that work best for your business.
Can you diagnose transmission or rear problems?
Absolutely. We offer diagnostic services to identify the root cause of transmission, differential, or steering box issues. Bring your vehicle to our shop or send us the component, and we'll provide an honest assessment and repair estimate.
Are you experienced with specialized vehicles like fire trucks?
Yes! We have extensive experience working with fire departments, municipalities, and emergency services. We understand the unique requirements and critical nature of keeping emergency vehicles operational. Safety and reliability are our top priorities.