Semi Truck Repair in Midland, TX

Semi truck and trailer repair for owner-operators and fleets across the Permian Basin. Chris’s Diesel Service handles engine and drivetrain work, air and brake systems, trailer repair, electrical, and full-vehicle inspections in a 140 x 150 ft. shop built to take trucks this size indoors.

140x150
Shop Takes Semis Indoors
Truck+trailer
Both Sides of the Rig
Zero
Comebacks in 2025

The Whole Rig. Tractor and Trailer.

A semi that is down is not a vehicle problem, it is a revenue problem. Four areas of work, all handled in the same shop so the truck does not bounce between vendors while your load sits.

01

Engine & Drivetrain

Heavy diesel diagnostics, in-frame and out-of-frame engine work, clutch and transmission repair, differentials, and driveline. In-house rebuilds by Chris when the engine is past repair.

In-House Rebuilds Live Data
02

Air & Brake Systems

Air leaks, compressors, dryers, and valves. Brake shoes, drums, chambers, and slack adjusters. Brake stroke measured and recorded so the truck rolls through inspection clean.

Stroke Measured Leak-Down Tested
03

Trailer Systems

Trailer brakes and air lines, suspension, landing gear, doors and floors, kingpins, and wheel-end work. Refrigerated trailer cooling units serviced as well.

Wheel-End Reefer Units
04

Electrical & Lighting

Tractor and trailer wiring, lighting and markers, batteries and charging systems, starters, and ECM communication faults. Official Continental Battery and Bosch dealer.

Tractor + Trailer DOT Lighting

Down. In the Shop. Back on the Road.

Downtime on a semi is measured in lost loads, not days. Here is how a down truck moves through this shop, and what you know at every stage.

Down

Triage & Quote

Call us with the symptom and we triage on the phone. If the truck can roll, bring it in. If it cannot, our crane-equipped service truck can come to it. Diagnosis and a written quote come first, fast.

  • Phone triage before the truck moves
  • Field response available for trucks that cannot roll
  • Diagnosis prioritized for down units
  • Itemized written quote before repair begins
  • Honest timeline based on parts availability
In the Shop

Repair & Updates

The truck comes inside the 140 x 150 ft. shop, out of the weather, and the repair runs on the quoted scope. Anything found during teardown is documented and quoted before the work expands.

  • OEM parts when they exist, best standard when they do not
  • Added findings quoted before scope grows
  • Progress updates on multi-day jobs
  • Trailer repaired alongside the tractor when both need work
  • Brake and air readings recorded for your file
Back on the Road

Verified & Released

The truck does not leave on faith. Air system holds, brakes measured, repair verified under load, and a road test before release. The paperwork goes with the truck.

  • Road test before release
  • Air leak-down verified to spec
  • Brake stroke recorded per axle
  • Work order and findings documented per unit
  • Zero comebacks in 2025, and we intend to keep it that way

Built for Trucks This Size.

Most repair shops in Midland cannot physically take a semi indoors. This one was built for it. Full-size bays, heavy lifting capability, and a crane-equipped service truck for the rigs that cannot make it in.

  • 140 x 150 ft. Shop Tractor and trailer come inside, out of the West Texas weather. No working in a gravel lot, no waiting on a bay that fits.
  • 8,000 lb. Crane Truck For semis and equipment that cannot roll, our service truck comes to the yard or the lease road with the lifting capability to do real repair on site.
  • Inspection Records Brake stroke, air system, tires, and lighting recorded per unit. Documentation formatted so it holds up at a roadside inspection or a DOT audit.
  • Owner Sign-Off Every truck is checked and road-tested before release. Chris signs off personally. Zero vehicles returned for incomplete or incorrect repairs in 2025.

Common Questions

Do you repair semi trucks and trailers in the same shop?
Yes. Tractor and trailer are both in scope: engine and drivetrain, air and brake systems, trailer suspension and wheel-end work, electrical, and lighting. The 140 x 150 ft. shop takes the full rig indoors, so you are not splitting the truck between a tractor shop and a trailer shop.
My semi cannot move. Can you come to it?
Yes. Our service truck carries an 8,000 lb. crane and we run field calls within about 100 miles of Midland. If the truck is down at a yard, a lease road, or the roadside, we triage on the phone, come to it with the right parts where possible, and repair on site or get it safely to the shop.
Do you work on semi truck engines or send them out?
We do the engine work here. Heavy diesel diagnostics, in-frame repairs, and full rebuilds are done in-house by Chris, never outsourced and never swapped for an exchange unit of unknown history. You get an honest call on repair versus rebuild before any teardown begins.
Can you keep my trucks ready for DOT inspections?
Yes. We measure and record brake stroke, test the air system, and check tires, lighting, and markers on every service, with records kept per unit. Fleets on our maintenance program get annual inspection documentation formatted to hand straight to an auditor or carrier.
What does semi truck repair cost in Midland, TX?
Every job is quoted custom after diagnosis because the same symptom on two trucks rarely has the same cause. You get an itemized written quote before repair begins and an honest timeline based on parts availability. Call (432) 557-6500 and tell us what the truck is doing.

Semi Down? Loads Waiting?

Call us first. We triage on the phone, quote in writing, and get the rig back on the road fixed once. Field service available if it cannot roll.