Scale House & Weight Station Repair
Stuck at a scale house or weight station with a violation or breakdown? We come directly to you. Fast mobile repair at CAT scales, truck stops, and DOT weigh stations across DFW.
Open Now — 24/7 Emergency Service
24/7 Semi Truck
& Trailer Repair
Lancaster, TX — Serving the Dallas-Fort Worth Metroplex
Trusted diesel mechanics ready around the clock. Whether it's a roadside breakdown at 2 AM, fleet maintenance, or you're stuck at a scale house or weight station — SG Truck Repair comes to you and keeps your trucks moving.
What We Do
Complete Semi Truck & Trailer
Repair Services
From emergency roadside repairs to full engine overhauls and mobile service at scale houses and weight stations, SG Truck Repair handles it all — 24 hours a day, 7 days a week in Lancaster, TX and the DFW metroplex.
Diesel Engine Repair
Complete diesel engine diagnostics, repair, and overhaul for all semi truck makes including Cummins, Detroit Diesel, Caterpillar, PACCAR, and Volvo engines.
24/7 Emergency Repair
Broke down at 3 AM on I-35? We're ready. Our emergency response team is available around the clock to get your rig back on the road fast — day or night.
Trailer Repair
Full trailer repair services including flatbed, reefer, dry van, tanker, and lowboy trailers. Door repairs, floor patching, landing gear, roll-up doors, and more.
Brake Service & Repair
Complete brake inspection, adjustment, and replacement. Air brake systems, drum brakes, disc brakes, slack adjusters, and full FMCSA-compliant brake service.
DOT Inspections
Keep your fleet DOT-compliant with thorough Department of Transportation inspections. Annual inspections, pre-trip checks, and all required repairs handled on-site.
Electrical Systems
Wiring, lighting, alternators, starters, ECM diagnostics, and full electrical troubleshooting. We fix complex electrical issues that other shops can't solve.
Transmission Repair
Manual and automatic transmission diagnostics, rebuild, and replacement. Eaton, Fuller, Allison, and ZF transmissions. Expert clutch and driveline work.
Mobile Repair Service
Can't make it to our shop? Our mobile mechanics come to you anywhere in the DFW metroplex. 24/7 on-site truck and trailer repair at your location.
Suspension & Steering
Leaf springs, air ride suspension, kingpins, tie rods, drag links, and complete steering system repair. Keep your rig handling safely on every haul.
Tire Service
Commercial truck tire repair, replacement, and rotation. Emergency tire service, blowout repair, and alignment. New and used tires available.
A/C & Heating
Truck cab A/C repair, heater repair, and climate control diagnostics. Stay comfortable on the road with properly working HVAC systems.
Cooling System Repair
Radiator repair and replacement, coolant flush, water pump service, thermostat replacement, and overheating diagnostics. Keep your engine running cool.
Fuel System Service
Fuel injector cleaning and replacement, fuel pump repair, diesel fuel system diagnostics, DEF system service, and fuel filter replacement.
Exhaust & DPF Cleaning
DPF filter cleaning and regeneration, EGR valve repair, exhaust manifold repair, turbocharger service, and emissions system diagnostics.
Preventive Maintenance
Scheduled PM services to keep your fleet running smoothly. Oil changes, filter replacements, inspections, and maintenance programs tailored to your fleet.
Fifth Wheel Service
Fifth wheel inspection, repair, adjustment, and replacement. Proper fifth wheel maintenance ensures safe trailer connections and smooth hauling.
Welding & Fabrication
On-site welding and fabrication services. Frame repair, structural welding, custom fabrication, and emergency roadside welding available 24/7.
Mobile Repair at Weight Stations
Stuck at a Scale House?
We Come to You.
Failed a DOT inspection at a weigh station? Overweight and need load adjustment? Breakdown at a CAT scale? SG Truck Repair provides fast mobile service directly at scale houses and weight stations across Dallas-Fort Worth.
Fast Response
We dispatch immediately to get you moving
DOT Compliance Repairs
Fix violations on-site to pass re-inspection
24/7 Availability
Day or night, we're ready to roll
Fully Equipped Trucks
Mobile shop comes to the scale house
Common Scale House Repairs
- Brake adjustments & repairs
- Light & marker repairs
- Air leak fixes
- Tire issues & blowouts
- DOT violation corrections
- Load securement fixes
Why Choose SG Truck Repair
The Trusted Name in
Commercial Truck Repair
True 24/7 Availability
We don't close. Day or night, weekends, holidays — we're here when you need us. Real people answering real calls, not a voicemail.
Experienced Diesel Mechanics
Our technicians are trained on all major semi truck brands — Freightliner, Kenworth, Peterbilt, Volvo, International, Mack, Western Star, and more.
Honest & Transparent Pricing
No hidden fees, no surprise charges. We give you a clear estimate before we start and stand behind our work with a satisfaction guarantee.
Fast Turnaround Times
Downtime costs money. We work efficiently to diagnose and fix the problem fast so you can get back on the road and back to business.
Convenient Location
Located right off I-35E and I-20 in Lancaster, TX. Easy access for trucks traveling through the Dallas-Fort Worth area. Scale house and shop on-site.
Emergency Breakdown?
Don't Wait. Call Now.
Our emergency team is standing by right now — day or night, rain or shine. One call and we're on it.
(214) 247-6475 Call For Emergency ServiceTrucks We Service
Freightliner
Kenworth
Peterbilt
Volvo
International
Mack
Western Star
Hino
Isuzu
Navistar
DAF
Ford
Chevrolet
RAM
Service Areas
Serving Lancaster, TX &
the DFW Metroplex
Based in Lancaster, we provide 24/7 semi truck and trailer repair services, mobile mechanic service, and certified scale house weighing throughout the Dallas-Fort Worth area and beyond.
Primary Service Area (Lancaster & Immediate Neighbors)
Dallas & South Dallas
Ellis County
Tarrant County & Fort Worth Area
North Dallas & Northern Suburbs
Johnson County
Kaufman County
Frequently Asked Questions
Got Questions?
Yes. SG Truck Repair is open 24 hours a day, 7 days a week, including holidays. We provide emergency semi truck and trailer repair services around the clock in Lancaster, TX and the surrounding Dallas-Fort Worth area. Whether your truck breaks down at 2 AM on I-35 or you need a quick repair before a morning delivery, we're here. Call us anytime at (214) 247-6475.
Yes! If you're stuck at a scale house, CAT scale, or DOT weigh station with a breakdown or failed inspection, we come directly to you. Our mobile repair trucks are fully equipped to handle brake adjustments, light repairs, air leaks, tire issues, and DOT violation corrections on-site so you can get back on the road fast. We service trucks at weight stations across the entire DFW area. Call (214) 247-6475 and we'll meet you there.
We repair all major semi truck brands including Freightliner, Kenworth, Peterbilt, Volvo, International, Mack, Western Star, Hino, and Isuzu. We also work on medium-duty commercial trucks from Ford, Chevrolet, and RAM. For trailers, we service all types including flatbeds, reefers (refrigerated), dry vans, tankers, lowboys, step decks, and more.
Yes. SG Truck Repair offers mobile repair services throughout the Lancaster, Dallas, Fort Worth, and entire DFW metroplex area. If your truck breaks down on the road, our mobile mechanics will come to you 24/7. We handle everything from tire changes and brake repairs to engine diagnostics and electrical troubleshooting on-site. Just call (214) 247-6475.
SG Truck Repair is located at 404 N Jefferson St SUITE 2B, Lancaster, TX 75146. We are conveniently located near the intersection of I-35E and I-20, providing quick and easy access for trucks traveling through the Dallas-Fort Worth area. Our location features an on-site scale house and full-service repair shop.
Yes, SG Truck Repair performs DOT inspections and helps ensure your truck and trailer meet all Department of Transportation safety requirements. We offer annual DOT inspections, pre-trip inspections, and can handle any repairs needed to pass inspection. Keep your fleet compliant and avoid roadside violations.
We pride ourselves on fast response times. For in-shop emergencies, we can often begin work immediately. For mobile service calls in the Lancaster and DFW area, we typically dispatch our team within 30-60 minutes depending on your location and current workload. Call us at (214) 247-6475 for the fastest response.
Our diesel mechanics are trained and experienced on all major diesel engine brands including Cummins, Detroit Diesel, Caterpillar (CAT), PACCAR (MX-11, MX-13), Volvo (D11, D13), International/Navistar, and Mercedes-Benz. From routine maintenance to major overhauls, we've got you covered.
Yes. SG Truck Repair offers customized preventive maintenance (PM) programs for commercial fleets of all sizes. We'll work with you to create a maintenance schedule that keeps your trucks running reliably while minimizing downtime. Fleet accounts also benefit from priority service and detailed service records.
We accept all major credit cards, debit cards, cash, company checks, and fleet cards (Comdata, EFS, T-Chek, etc.). For established commercial accounts, we also offer invoicing and net-30 payment terms. We'll work with you to make payment easy and hassle-free.
Stranded? We're On Our Way.
24/7 emergency mobile truck repair across Dallas-Fort Worth. One call, fast response.
(214) 247-6475