Keep Your Fleet Running Strong
Fast turnaround and dealership-quality diesel repair with no long wait times.
Engine Repair & Replacements
Complete Engine Repair and Replacement Services for All Vehicles
Fuel System & High-Pressure Fuel System Repair
Reliable Fuel and High-Pressure System Repair Solutions for Engines
Free inspection and free grease with every preventative maintenance service.
Expert diesel repair in Midland with certified mechanics and quick turnaround times
Lonewolf Diesel is an owner-operated shop serving Midland and the surrounding oilfield and trucking corridor with dealership-quality diesel and auto repair. Whether you're managing a fleet or driving a single truck, you'll find fast service, fair pricing, and careful attention to every detail.
You get quick to no wait times, which matters when your vehicle is your livelihood. The team includes Caterpillar-certified and Cummins-certified mechanics who handle everything from engine diagnostics to turbo repair and electrical troubleshooting. Every preventive maintenance service includes a free inspection and grease, and new customers receive a free check engine light diagnostic.
Lonewolf Diesel treats every job with care, whether it's a roadside repair or a monthly fleet service contract. Licensed and insured for local code requirements, the shop stays equipped for fuel system work, transmission service, welding, fabrication, and after-treatment diagnostics. You get clear communication, documented scope, and owner oversight throughout.
Call today to schedule your service or request a mobile appointment in Midland.
Protect Your Equipment from Costly Downtime
Owner-Operated Shop You Can Trust
Experienced team with certified mechanics and a customer-service-first approach to every job.
Complete Diesel and Auto Services
From turbo and EGR repair to brake and suspension work, you get the full range of diesel and auto services under one roof. The team handles heavy-duty engine work, high-pressure fuel systems, transmission repair, AC service, and more with consistent quality and attention to detail.
Whether you need a routine oil change or a full engine replacement, the process is straightforward. The shop coordinates scheduling, sources parts efficiently, and keeps you updated on progress so you're never left guessing.
Services include:
- Engine diagnostics, repair, and replacement for diesel and auto applications
- Turbo, EGR, fuel system, and DPF regen work to restore performance and efficiency
- Electrical repair, brake service, steering, suspension, and transmission work
- Mobile diesel mechanic, roadside service, and on-site fleet repair throughout the Midland area
Reach out to discuss your service needs or schedule a fleet maintenance appointment in Midland.
New customers get a free check engine light diagnostic.
What Sets Lonewolf Diesel Inc Apart
Lonewolf Diesel is locally owned and brings hands-on technician experience to every repair. Serving the oilfield and trucking community means understanding the demands of the terrain, the schedules, and the equipment. With certified mechanics on staff and a customer-service-first approach, you'll find a shop that listens, delivers clear timelines, and stands behind the work.
You'll appreciate the straightforward pricing, the best rates in town, and the ability to schedule mobile service when downtime isn't an option. Every repair is handled with the same level of care, whether it's a single truck or an entire fleet.
Call us in Midland to book your free check engine light diagnostic or schedule preventive maintenance service.
Areas We Serve
Midland, TX
Odessa, TX
Big Spring, TX
Andrews, TX
Monahans, TX
Stanton, TX