About Us
Your Trusted Source for Diesel Engine Repair
We are a locally owned and family-operated company anchored by a simple, powerful vision: to provide trustworthy, cost-efficient Diesel Engine Repair with integrity, building lifelong relationships with the people who rely on us.
For over 33 years, Longley Diesel has been the premier destination for commercial and industrial Diesel Engine Repair across West Texas, the South Plains, and Eastern New Mexico. Since opening our doors in 1992, we’ve built our reputation on hard work, honesty, and getting our customers’ vital equipment back into the field and on the road in the best possible condition.
Our Commitment to Quality & Integrity
The foundation of Longley Diesel is built on the dedication of one man’s dream—to provide quality work and service for the people who entrust us with their livelihood. We specialize in maintaining the most critical assets of the region, including semi-trucks, heavy construction equipment, bus fleets, and complex agricultural machinery. We understand that minimized downtime means maximized success for you.
Specialized Expertise in Diesel Engine Repair
In the complex world of modern diesel technology, experience is vital, but manufacturer certification is essential. We invest heavily in our people and technology to ensure your Diesel Engine Repair is done right, the first time.
Factory-Certified Technicians
- Our mechanics are among the best in the business, backed by rigorous and extensive factory training. We are certified to perform diagnostics and repairs on the world’s leading diesel platforms.
OEM Technology
- We use exclusive OEM software, tools, and full factory support for all repairs, guaranteeing a level of precision and compliance that protects your investment.
Complete Warranty
- Every job we perform is backed by a comprehensive warranty, giving you peace of mind and protection no matter where the road takes you. We are fully licensed and insured.
Specialized Expertise in Diesel Engine Repair
In the complex world of modern diesel technology, experience is vital, but manufacturer certification is essential. We invest heavily in our people and technology to ensure your Diesel Engine Repair is done right, the first time.
Factory-Certified Technicians
- Our mechanics are among the best in the business, backed by rigorous and extensive factory training. We are certified to perform diagnostics and repairs on the world’s leading diesel platforms.
OEM Technology
- We use exclusive OEM software, tools, and full factory support for all repairs, guaranteeing a level of precision and compliance that protects your investment.
Complete Warranty
- Every job we perform is backed by a comprehensive warranty, giving you peace of mind and protection no matter where the road takes you. We are fully licensed and insured.
Serving Our Community and Planning for the Future
While we support customers who span the country, our core focus remains our local community. We pride ourselves on being the one-stop shop for all heavy-duty diesel engine repair needs in the West Texas region.
A Commitment to Growth
- We currently operate out of a 20,000 sq. ft. world-class shop.
When you choose Longley Diesel, you’re not just choosing a shop; you’re choosing a partner dedicated to your long-term success, built on integrity, and specialized in professional Diesel Engine Repair.
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!