Business Details
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Your Trusted Partner for Diesel Truck Repair in Mansfield, TX
Founded with a commitment to excellence, BIG SHOP DIESEL has become Dallas Fort Worth's Premier Truck Shop, serving the heavy-duty truck industry with unmatched expertise. Our team of seasoned professionals brings decades of combined experience in diesel engine diagnostics, repairs, and performance optimization. With 20 service bays and 24/7 mobile service, we specialize in comprehensive solutions including engine rebuilds, dyno diagnostics, preventative maintenance, and precision wheel alignments. Our technicians utilize cutting-edge equipment and exclusively work with high-quality, USA-made parts to ensure maximum reliability and performance for every vehicle.Recognized for our exceptional customer service, we maintain a secure facility with convenient parking and offer transparent communication throughout every repair process. The shop's investment in a chassis dyno system enables precise performance analysis and repair validation, setting new industry standards for accuracy. Backed by thousands of satisfied customers, including professional owner/operators, our reputation for technical excellence and operational efficiency has made us the trusted choice across Texas and beyond.
Services
Engine Rebuilds
Dyno Diagnostics
Wheel Alignment
Brake Repair
Oil Changes
Axle Repair
Towing Services
Exhaust Systems
Preventive Maintenance
Roadside Assistance
Highlights and features
- We operate 20 service bays for efficient commercial truck repairs.
- Our technicians have decades of diesel engine expertise.
- We utilize a chassis dyno for precise performance diagnostics.
- We offer 24/7 mobile roadside assistance across Texas.
- We exclusively use high-quality USA-manufactured replacement parts.
What people say
Best shop in Texas
Top shelf service
Worth the drive
Safe and secure parking
Professional in every way
Services
Engine Rebuilds
Our technicians perform comprehensive engine rebuilds using precision diagnostics and premium replacement components. With over 200 years of combined experience, we carefully inspect, clean, and replace worn parts while preserving functional components to deliver reliable, high-performance engines. Our strict evaluation process ensures optimal part reuse and prevents premature failures, providing cost-effective solutions that extend equipment lifespan for commercial operators.
Dyno Diagnostics
We utilize advanced chassis dynamometers to measure engine torque, rotational speed, and fuel efficiency with precision. This technology enables graphical analysis of engine conditions, accurate repair identification, and post-repair validation. Our diagnostic capabilities help identify performance issues, optimize maintenance schedules, and ensure proper engine functionality, providing valuable insights into vehicle health and operational efficiency for transport businesses.
Wheel Alignment
Our precision alignment services restore optimal tire contact through expert suspension and steering adjustments. Using specialized equipment, we correct misalignment issues causing uneven wear, vehicle drift, and handling problems. Regular alignments improve fuel economy, extend tire lifespan, and enhance road safety by ensuring proper weight distribution and directional stability for commercial truck operators navigating Texas highways.
24/7 Roadside Assistance
Available round-the-clock for critical breakdown situations, our mobile technicians respond rapidly to roadside emergencies including flat tires, dead batteries, and mechanical failures. Through strategic partnerships, we provide heavy-duty towing, accident recovery, and winch-out services across Texas. Our equipped fleet handles long-distance towing with flatbed transport while offering immediate repairs on location to minimize downtime for commercial trucking operations.
Preventive Maintenance
We deliver customized maintenance programs to prevent breakdowns and optimize vehicle longevity. Our comprehensive services include oil changes, brake inspections, exhaust system evaluations, and component replacements following manufacturer guidelines. By implementing proactive maintenance schedules, we help operators avoid costly repairs, maintain regulatory compliance, and ensure consistent performance while significantly reducing unplanned downtime across their heavy-duty truck fleets.
Questions
What diesel truck services do you specialize in?
We specialize in engine rebuilds, dyno diagnostics, wheel alignments, brake repair, exhaust systems, and 24/7 roadside assistance for heavy-duty trucks.
Is your mobile service available after hours?
Yes, we provide 24/7 mobile roadside assistance with technicians available for emergencies at any time.
How can I schedule an appointment?
Call us at 817-473-8565 or visit our website to book shop services or emergency roadside assistance.
What signs indicate wheel alignment issues?
Uneven tire wear, vehicle drifting, steering wheel vibrations, and frequent steering corrections signal alignment problems requiring professional adjustment.
Do you work on all truck brands?
We service all major diesel truck brands including CAT, Cummins, Detroit Diesel, and Paccar models across the Mansfield area.
