Medium & Heavy Duty Diesel Truck Repair
Keeping West Texas Moving
Your heavy-duty truck isn’t just a vehicle; it’s your business. When a semi-truck or commercial vehicle is sidelined, it impacts your schedule, your bottom line, and your reputation. At Longley Diesel, we understand the urgency and precision required to get you back on the road fast.
For over 33 years, we’ve been the trusted partner for owner-operators and fleet managers across West Texas, the South Plains, and Eastern New Mexico, providing comprehensive Heavy Duty Diesel Truck Repair that is backed by manufacturer certification and a dedication to integrity. From complex engine diagnostics to routine maintenance, our world-class shop is equipped to handle every service your rig requires.
Complete Heavy Duty Diesel Truck Repair for Fleets
We don’t just fix trucks—we manage the mechanical health of your commercial assets. Our technicians are specialized in the unique needs of medium and heavy-duty vehicles, ensuring all repairs are robust, reliable, and compliant.
We service all makes and models of commercial trucks, including supporting numerous city and state government needs with service for utility trucks, street sweepers, and waste management vehicles.
Complete Heavy Duty Diesel Truck Repair for Fleets
We don’t just fix trucks—we manage the mechanical health of your commercial assets. Our technicians are specialized in the unique needs of medium and heavy-duty vehicles, ensuring all repairs are robust, reliable, and compliant.
We service all makes and models of commercial trucks, including supporting numerous city and state government needs with service for utility trucks, street sweepers, and waste management vehicles.
Specialized Truck Services We Offer
DOT Inspection Services
- We are a certified DOT Inspection facility, capable of identifying and correcting compliance issues quickly so you avoid delays and fines.
Engine & Drivetrain Overhauls
- Complete diagnostics and Diesel Truck Repair for engines, transmissions, differentials, and transfer cases. We handle major and minor mechanical failures with factory-level precision.
Preventative Maintenance (PM)
- Scheduled fleet service designed to reduce unexpected downtime, including oil analysis, fluid flushes, and filter replacement for maximum operational efficiency.
Brake and Suspension
- Full service for air brakes, hydraulics, suspension components, and steering systems to ensure driver safety and cargo security.
Performance Upgrades
- Custom installations and modifications to optimize power, efficiency, and component longevity for your heavy-duty applications.
Why Trust Longley Diesel with Your Heavy Duty Truck Repair?
When choosing a shop for Heavy Duty Diesel Truck Repair, certification and confidence matter. Your livelihood depends on the quality of our work.
Certified Expertise
- Our commitment to excellence is proven by our advanced technical training. We utilize OEM software and tools and our technicians are Kubota and Perkins factory-certified, ensuring we diagnose engine issues with unparalleled accuracy, regardless of the brand.
Nationwide Warranty
- We stand behind every service and repair with a comprehensive warranty. When you leave our shop, you can be assured your truck is protected no matter where the road takes you across the nation.
Our Commitment
Trustworthy Service, Lasting Relationships
Longley Diesel is driven by a passion for quality work and a vision to build lifelong relationships. We treat your equipment—and you—with the honesty and integrity we would expect for ourselves. Trust your next heavy duty diesel repair to the local experts focused on your success.
Ready to get back on the road? Contact us today for service or a quote!