Heavy Duty Diesel Mechanic Services in Fresno, CA
At Lawler DSL Repair, we provide expert heavy-duty truck services to keep your vehicles operating at peak performance. From preventive maintenance to 24/7 roadside assistance, our certified diesel mechanics ensure fast, efficient service with high-quality parts.

Heavy-Duty Truck Services in Fresno, CA
At Lawler DSL Repair, we provide expert heavy-duty truck repair and maintenance to keep your trucks, trailers, and fleet vehicles operating at peak performance. Whether you need preventive maintenance, major repairs, or 24/7 roadside assistance, we offer reliable, efficient solutions tailored to your needs. Our certified diesel mechanics use advanced diagnostics and high-quality parts to ensure fast service that minimizes downtime.
Comprehensive Truck & Fleet Services
We specialize in full-service heavy-duty truck repair and maintenance, serving owner-operators, fleet managers, and logistics companies. From routine oil changes to complex drivetrain repairs, trust Lawler DSL Repair to keep your truck road-ready. Our services include:
- Preventive Maintenance – Oil changes, filter replacements, brake inspections, and fluid top-offs.
- Exhaust & Aftertreatment System Service – DPF cleaning, EGR system repairs, and emissions maintenance.
- 24/7 Mobile Truck Repair & Roadside Assistance – Emergency breakdown service within 50 miles of Fresno, CA.
Our experienced technicians ensure that every truck, trailer, and fleet vehicle is safe, reliable, and road-ready.
FAQs
What Areas Do You Serve for Truck Services?
We are located in Fowler, CA, near Fresno, CA, and proudly serve: Selma, CA; Kingsburg, CA; Reedley, CA; Dinuba, CA; Visalia, CA; Tulare, CA; Clovis, CA; Sanger, CA; and Bakersfield, CA.
How Often Should I Service My Truck?
We recommend preventive maintenance every 10,000 to 25,000 miles to avoid costly breakdowns. However, service intervals may vary based on driving conditions and manufacturer recommendations.
Do You Offer Mobile Truck Repair?
Yes! Our mobile truck repair service covers a 50-mile radius of Fresno, CA, providing on-site diagnostics, minor repairs, and emergency breakdown assistance.
How Can I Book a Service Appointment?
Call 559-939-6609 to schedule your truck’s next service. Whether it’s routine maintenance or urgent repairs, Lawler DSL Repair has you covered.
Schedule a Service Appointment
Looking for professional heavy-duty truck services in Fresno, CA? Call 559-939-6609 today to schedule maintenance or repairs. Our expert diesel mechanics are ready to keep your fleet moving.
What They're Saying About Us
See why our customers consider Lawler DSL Repair the go-to repair shop in Fowler, CA and the surrounding areas!
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!