Welcome to
Longley Diesel
Equipment Services, LLC
Serving West Texas, the South Plains, and Eastern New Mexico Since 1992
For over three decades, Longley Diesel has been the premier destination for reliable commercial vehicle and equipment service. We understand that your diesel engine is your livelihood. That’s why we are committed to providing world-class Heavy Duty Diesel Repair backed by uncompromised integrity and the finest technicians in the business. From semi-trucks and fleet vehicles to heavy construction equipment and agricultural machinery, we ensure your assets are serviced to factory specifications and returned to you in peak condition. We are fully licensed, insured, and dedicated to keeping your operations running smoothly.
Services We Offer
Medium & Heavy Duty Diesel Truck Repair
Diesel Engine Repair
Bus & Motorhome Repair
Heavy Equipment Repair
Tier 3 Refurbishment & Repower Program
Oil Field Equipment Repair
Trailer Repair
Kubota Certified Repair
Perkins Engines Certified Repair
Engine Parts
Precision Engine Service
Kubota & Perkins Certified Diesel Repair
What truly sets Longley Diesel apart is our commitment to specialized, manufacturer-level expertise. Our technicians don’t just guess; they diagnose using exclusive OEM software and tools.
We are proud to be factory-certified for two of the world’s most trusted engine manufacturers:
Kubota Certified Repair
- Complete diagnostics and engine repair for all Kubota applications, far exceeding just the agricultural line. We have the parts and the training to handle any Kubota diesel engine repair.
Perkins Engines Certified Repair
- As a certified partner, we provide comprehensive service for the full range of Perkins engines, which power everything from industrial generators to marine systems. Trust us for expert Perkins diesel service.
Comprehensive Commercial Diesel Repair Services
We are your one-stop shop for every component of your commercial operation. Our heavy duty diesel repair goes beyond the engine to cover the entire vehicle or machine.
Heavy Truck & Fleet Services
- We provide end-to-end support for owner-operators and fleet managers, including preventative maintenance, advanced diagnostics, performance upgrades, and required DOT Inspections. We also service municipal vehicles like garbage trucks and street sweepers.
Industrial & Ag Equipment Service
- If it’s diesel-powered and working the oil field, construction site, or farm, we can fix it. Services include major engine overhauls, advanced hydraulic repair, and custom fabrication for equipment, including:
- Excavators, Motor Graders, Backhoes, and Earth Moving Equipment
- Tractors, Sprayers, and Ag Support Transports
- Pump Trailers, Compressors, and Frac Equipment
Bus, RV Engine, and Trailer Repair
- From school buses and charter fleets to all diesel-powered RVs, we handle all engine and drivetrain mechanical issues. We are also a DOT inspection facility offering full trailer repair from axle to brake system for semi-trucks and heavy equipment haulers.
Comprehensive Commercial Diesel Repair Services:
We are your one-stop shop for every component of your commercial operation. Our heavy duty diesel repair goes beyond the engine to cover the entire vehicle or machine.
Heavy Truck & Fleet Services
- We provide end-to-end support for owner-operators and fleet managers, including preventative maintenance, advanced diagnostics, performance upgrades, and required DOT Inspections. We also service municipal vehicles like garbage trucks and street sweepers.
Industrial & Ag Equipment Service
- If it’s diesel-powered and working the oil field, construction site, or farm, we can fix it. Services include major engine overhauls, advanced hydraulic repair, and custom fabrication for equipment, including:
- Excavators, Motor Graders, Backhoes, and Earth Moving Equipment
- Tractors, Sprayers, and Ag Support Transports
- Pump Trailers, Compressors, and Frac Equipment
Bus, RV Engine, and Trailer Repair
- From school buses and charter fleets to all diesel-powered RVs, we handle all engine and drivetrain mechanical issues. We are also a DOT inspection facility offering full trailer repair from axle to brake system for semi-trucks and heavy equipment haulers.
Industries We Serve
Municipal & State Government
School Districts
Agricultural Support Equipment
Oil & Gas
Earthmoving & Dirtwork
Fuel Transport
Owner Operators
Equipment Rental Companies
Serving West Texas with Nationwide Assurance
While our roots and loyal customer base are concentrated in West Texas, the South Plains, and Eastern New Mexico, our dedication extends everywhere you travel. Furthermore, every repair we complete is backed by a complete warranty, ensuring your investment is protected no matter where the job takes you across the country.
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!