Diesel Engine Repair
Complete diagnostics, rebuilds, and repairs for all major diesel engine brands. From cumulative fault codes to complete overhauls, we get it running right.
El Paso's Trusted Heavy-Duty Repair Shop
Keeping Your Diesel Engine & Trailer on the Road — No Matter the Mile
From routine oil changes to complete engine overhauls, Tri-States Diesel & Trailer Repair delivers the kind of honest, thorough service that keeps your fleet moving. Located on Montana Avenue in El Paso, we've built our reputation one reliable repair at a time.
13126 Montana Ave, El Paso 79938
Mon–Sat · By appointment
El Paso, TX
What We Do
Comprehensive Diesel & Trailer Service
Whether it's a routine maintenance check or a major repair, our experienced technicians handle it all with precision and care.
Trailer Repair & Maintenance
Dry vans, reefers, flatbeds, and more — we service all trailer types. Brakes, suspension, axles, bodies, and everything in between.
Preventative Maintenance
Scheduled oil changes, fluid checks, filter replacements, and comprehensive inspections that keep your equipment on the road longer and avoid costly breakdowns.
Brake & Suspension
Full brake system service including pads, rotors, drums, air brakes, and ABS diagnostics. Suspension work for safe, stable handling on every run.
Fuel System Service
Injector testing, fuel pump repair, filter replacements, and complete fuel system diagnostics to restore power and efficiency to your diesel engine.
General Mechanical Repair
Belts, hoses, starters, alternators, cooling systems — if it's on a diesel or trailer, we can fix it. No job too big or too small for our shop.
El Paso
Trusted Local Service
About Us
Built on Hard Work, Honest Service, and a Commitment to Getting It Right
Tri-States Diesel & Trailer Repair is a locally owned and operated heavy-duty repair shop located at 13126 Montana Avenue in El Paso. We serve independent owner-operators and fleet owners who need dependable repairs done right — the first time.
Our shop is equipped to handle the full range of diesel and trailer service needs. We understand that downtime costs money, which is why we focus on efficient, thorough work that gets you back on the road safely and on schedule.
Honest, upfront communication on every job
Experienced technicians who know diesel inside and out
Convenient location off Montana Avenue with easy access
Commitment to quality work that stands the test of time
Why Choose Us
The Tri-States Difference
We're not the biggest shop in town — but we are the one your neighbors recommend. Here's what sets us apart.
Deep Diesel Expertise
Our technicians have years of hands-on experience with all major diesel brands and trailer configurations. We diagnose correctly the first time — no guesswork, no shortcuts.
No Surprises, Just Fair Pricing
We explain what needs to be done and why, before any work begins. You'll always know the scope and cost upfront — no hidden fees, no inflated estimates.
Your Truck, Our Priority
Whether you run one rig or a small fleet, every customer gets the same level of attention. We treat your equipment with the same care we'd give our own.
Right Here in El Paso
We're a local business rooted in this community. Our location at 13126 Montana Avenue is easy to find, and we're always happy to talk through your repair needs in person.
Get in Touch
Let's Get Your rig Back on the Road
Call us to schedule a service appointment or ask about our capabilities. We're here to help with any diesel or trailer repair need.
Send Us a Message
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