Heavy-Duty Truck & Equipment Repair in Fresno, CA
About Lawler DSL Repair
At Lawler DSL Repair, we understand how critical uptime is for truckers and fleet operators. Our Fresno-based shop provides expert diesel repairs, preventive maintenance, and custom modifications to keep your vehicles operating at peak performance. Plus, with our mobile repair services, we bring solutions directly to you—whenever and wherever you need them.
Our technicians specialize in diagnosing and fixing complex diesel engine problems, driveline issues, and electrical failures to get you back on the road fast. Whether you need routine maintenance or urgent repairs, we offer professional service with quick turnaround times to minimize downtime.
Heavy-Duty Diesel Services
We provide comprehensive services for all heavy-duty trucks, trailers, buses, and heavy equipment. From scheduled fleet maintenance to DOT inspections, our team is equipped to handle your vehicle’s needs.
Our 24/7 mobile repair service ensures you’re never stranded, whether it’s brake failure, overheating, or an electrical issue.
Stranded with a truck breakdown? Lawler DSL Repair offers 24/7 mobile truck repair within 50 miles of Fresno, CA. Whether it’s engine issues, brake failures, or electrical problems, our on-call diesel mechanics will get you back on the road—fast!
Truck breakdowns happen when you least expect them. That’s why Lawler DSL Repair offers 24/7 emergency roadside assistance for heavy-duty trucks, trailers, and equipment within a 50-mile radius of Fresno, CA.
When your commercial, transit, or school bus needs repairs, trust Lawler DSL Repair for fast, professional service. Our bus repair shop in Fresno, CA provides comprehensive diagnostics, mechanical repairs, and fleet maintenance to keep your vehicles running safely and efficiently.
Need a DOT inspection to keep your truck on the road? At Lawler DSL Repair, we provide comprehensive DOT inspections to ensure your commercial vehicle meets federal and state safety regulations.
Need expert diesel repairs for your heavy-duty truck, trailer, bus, or equipment? Lawler DSL Repair provides comprehensive diagnostics, maintenance, and repairs to keep your fleet running.
When your construction or agricultural equipment breaks down, you need fast, reliable repairs to avoid costly downtime. Lawler DSL Repair specializes in heavy equipment repair for excavators, bulldozers, forklifts, loaders, and more in Fresno, CA, and surrounding areas.
Avoid unexpected breakdowns with routine preventive maintenance from Lawler DSL Repair. We provide fleet maintenance, oil & fluid checks, brake inspections, and more to keep your heavy-duty trucks, trailers, and equipment running smoothly.
Your RV is your home on wheels, and when it breaks down, you need fast, expert repairs to keep your travels stress-free. Lawler DSL Repair specializes in RV repair, maintenance, and emergency roadside service in Fresno, CA and the surrounding areas.
Need custom modifications for your heavy-duty truck, trailer, or equipment? At Lawler DSL Repair, we provide welding, fabrication, frame modifications, and performance upgrades to meet your specific needs.
When your semi-trailer, flatbed, or enclosed trailer needs repairs, trust Lawler DSL Repair for fast, reliable service. Our trailer repair shop in Fresno, CA provides comprehensive maintenance, welding, axle repairs, and emergency roadside assistance to keep your trailer road-ready.
Need custom metal fabrication or welding repairs? Lawler DSL Repair provides professional welding and fabrication services for heavy-duty trucks, trailers, and heavy equipment.
Diesel Truck & Equipment Repairs
No matter the repair, we’ve got you covered. Our skilled mechanics work on everything from axles and brakes to full engine rebuilds.
When your diesel truck or equipment breaks down, call Lawler DSL Repair for fast, professional, and reliable service—in-shop or on the road.
Your brakes are the most critical safety system on your truck or trailer. At Lawler DSL Repair, we specialize in commercial truck brake repair, air brake system maintenance, and hydraulic brake service in Fresno, CA.
A failing coolant system can lead to engine overheating, costly breakdowns, and major engine damage. At Lawler DSL Repair, we provide coolant system repairs, radiator replacements, and preventive maintenance for semi-trucks, commercial vehicles, and heavy equipment in Fresno, CA.
Struggling with electrical issues, warning lights, or power failures? Lawler DSL Repair provides advanced diagnostics and electrical repairs for semi-trucks, trailers, and heavy equipment in Fresno, CA.
A failing driveline can cause vibration, loss of power, and even complete breakdowns. At Lawler DSL Repair, we specialize in driveline repair, U-joint replacements, differential service, and transfer case repairs for semi-trucks, trailers, and heavy equipment in Fresno, CA.
Want better fuel efficiency, more horsepower, or improved torque? Lawler DSL Repair specializes in semi-truck ECM tuning and performance tuning in Fresno, CA.
Is your diesel truck losing power, producing excessive smoke, or triggering check engine lights? These could be signs of a failing Exhaust Gas Recirculation (EGR) system or a clogged Diesel Particulate Filter (DPF). At Lawler DSL Repair, we provide EGR & DPF cleaning and repairs in Fresno, CA.
A failing diesel engine can lead to power loss, excessive smoke, overheating, or even complete failure. At Lawler DSL Repair, we specialize in heavy-duty engine repair, rebuilds, and overhauls for semi-trucks, fleet vehicles, and heavy equipment in Fresno, CA.
Is your semi-truck producing excessive smoke, losing power, or failing emissions tests? At Lawler DSL Repair, we specialize in heavy-duty exhaust system repairs, muffler replacements, and emissions system diagnostics in Fresno, CA.
Is your semi-truck’s air conditioning blowing warm air, or is your heater failing in cold weather? At Lawler DSL Repair, we provide professional HVAC system repairs, including air conditioning recharge, heater core replacements, and ventilation diagnostics, for semi-trucks, commercial vehicles, and heavy equipment in Fresno, CA.
Proper oil and fluid maintenance is crucial for preventing engine wear, optimizing performance, and extending your truck’s lifespan. At Lawler DSL Repair, we provide comprehensive oil changes, fluid top-offs, and full-system flushes for semi-trucks, fleet vehicles, and heavy equipment in Fresno, CA.
A worn or damaged suspension system can lead to poor handling, uneven tire wear, and a rough ride. At Lawler DSL Repair, we provide professional suspension repair, alignment services, and component replacements for semi-trucks, trailers, and heavy equipment in Fresno, CA.
A blown tire or uneven tread wear can cause dangerous driving conditions and costly downtime. At Lawler DSL Repair, we provide semi-truck tire repair, replacements, and emergency roadside tire service in Fresno, CA.
Experiencing gear slipping, hard shifting, or clutch failure? A failing transmission or clutch can leave you stranded and facing costly downtime. At Lawler DSL Repair, we provide transmission and clutch repair for semi-trucks, fleet vehicles, and heavy equipment in Fresno, CA.
At Lawler DSL Repair, we provide professional axle repair, replacement, and maintenance for semi-trucks, trailers, and heavy equipment in Fresno, CA. Whether it's a broken axle, worn bearings, or misalignment, our experienced mechanics diagnose and fix axle issues fast.
Is your truck pulling to one side, vibrating at high speeds, or wearing tires unevenly? A misaligned suspension or axle can lead to poor fuel efficiency, premature tire wear, and steering issues. At Lawler DSL Repair, we provide professional wheel alignment services in Fresno, CA.
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Contact Us
Need roadside assistance, have questions, or want to schedule your truck or trailer in for a service or repair? Get in touch, we're open Monday through Friday from 8:00am to 5:00pm and have roadside assistance available 24/7!