Bulldozer Repair and Maintenance in Midland, TX

Bulldozer repair and scheduled maintenance at Chris’s Diesel Service in Midland. Engine diagnostics, hydraulic system service, undercarriage and track repair, steering clutches, and final drives for dozers running in West Texas dirt. Repairs run in our 140 x 150 ft shop, which has the door height and floor space to bring a dozer inside for a proper teardown instead of tarp work in the yard.

Call (432) 557-6500
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8,000lb
Crane Truck for Field Repair
140x150
Shop Built for Heavy Iron
Zero
Comebacks Since 2025
What You Notice → What It Usually Is

The Dozer Tells You First. Usually Weeks Early.

These are the complaints that bring dozers in, and where the testing usually lands. Diagnosis comes before parts, every time.

Blade drifts down or will not hold position
Likely Path Lift cylinder seals bypassing, a worn control valve, or a leaking check valve. We measure drift against spec and pressure-test the circuit before pulling cylinders, because a seal kit and a valve body are very different money.
Blade is cracked or the cutting edge is worn through
Likely Path Moldboard cracks, worn cutting edges, and damaged push arms get repaired with in-house welding and fabrication. We look at what caused the crack first, because a weld that ignores the cause opens back up on the next push.
Dozer pulls to one side or will not steer straight
Likely Path Steering clutch wear, a dragging brake, or a failing final drive on one side. Steering clutch repair starts with pressure and drag testing, since a clutch and a brake feel identical from the seat and cost very different money.
One track slips, squeals, or rides rough
Likely Path Stretched track chain, worn sprocket segments, seized rollers, or an idler that has lost recoil. Dozer track repair starts with wear measurement against factory spec, so you know whether three rollers fix it or the undercarriage is finished.
Final drive is leaking or howling under load
Likely Path Seal failure, bearing wear, or gear damage from running low on oil. Final drive repair is far cheaper caught at a seal than at a gear set, so we pull samples and check backlash before quoting a rebuild.
Machine loses power pushing a full blade
Likely Path Torque converter stall out of spec, powershift transmission clutch wear, or a fuel supply restriction. We run stall and pressure tests against factory numbers rather than guessing from how the machine feels.
Engine overheats working in the dirt
Likely Path A radiator packed with dirt and seed, a slipping fan drive, or a failing water pump. Dozers pack their coolers solid in Permian Basin caliche. We find where the heat is being made, not just where the gauge shows it.
What We Cover

Blade to Ripper. The Whole Machine.

A dozer that pushes dirt all day in the Permian Basin wears everywhere at once. Four areas of work, all handled in one shop, so the machine does not bounce between vendors.

Engine and Powertrain
  • Diesel engine diagnostics and repair
  • In-house engine rebuilds by Chris and his team
  • Cooling system and fan drive service
  • Fuel system and injector work
  • Torque converter and transmission repair
  • Steering clutch and brake repair
  • Final drive inspection and rebuild
  • OEM parts when they exist, no bargain iron
Hydraulics
  • Blade lift, tilt, and angle cylinder repair
  • Ripper cylinder resealing and rod repair
  • Hydraulic pump and valve service
  • Hose replacement, crimped to spec
  • Contamination flushing after a failure
  • Leak diagnosis before parts are thrown at it
  • Pressure testing against machine spec
  • Cycle time verification after repair
Undercarriage and Track Repair
  • Undercarriage wear measurement and reporting
  • Dozer track repair, single parts or full undercarriage
  • Track chain, pad, and shoe replacement
  • Roller, idler, and carrier roller service
  • Sprocket segment replacement
  • Track tension adjustment and recoil service
  • Honest percentage-of-wear numbers, not guesses
  • Planned replacement scheduling around your jobs
Electrical and Controls
  • Starting and charging system repair
  • Wiring harness and connector repair
  • Sensor diagnostics with live data
  • Gauge and monitor panel troubleshooting
  • Battery service, official Continental dealer
  • Blade control and implement electrical faults
  • Cold start and glow system service
  • No parts-cannon electrical guessing
How Bulldozer Repair Works

Diagnosed by Evidence. Released When Proven.

Downtime on a dozer stalls the whole dirt schedule. The process is built to get the machine back once, not twice.

  1. 01

    Inspect and Diagnose

    Full inspection of the failed system plus the systems that feed it. Hydraulic pressures measured, engine data pulled, undercarriage wear recorded. You get an itemized written quote before any wrench turns.

  2. 02

    Repair in the Shop

    Repairs run in our 140 x 150 ft Midland facility, with the floor space to tear a dozer down properly instead of working around it. OEM parts when they exist, best available standard when they do not.

  3. 03

    Test Under Load

    The machine works before it goes back to work. Hydraulic pressures verified, operating temps watched, and the repair proven under load before Chris signs off on release.

Bulldozer undercarriage repair in the heavy equipment bay at Chris's Diesel Service in Midland TX
Bulldozer Repair in Midland

Built for Machines That Do Not Fit Elsewhere.

Most shops in the Basin can service your pickup. Very few can put a D6 indoors. The shop, the rebuild bay, and the crane truck exist so dozer work does not get farmed out or patched in a parking lot.

  • Full-Size
    Shop Access     140 x 150 ft facility with the door height and floor space to bring dozers inside for teardown, not tarp work in the yard.
  • Field Capable When tracking a dozer onto a lowboy costs more than the repair itself, our mobile heavy equipment repair service brings the shop to the machine.
  • In-House
    Rebuilds     Dozer engines rebuilt by Chris and his team in our shop. Not outsourced, not exchange units, and test-run before delivery.
  • OEM Standard OEM parts when they exist, best available standard when they do not. Undercarriage and wear parts quoted with honest wear numbers.
Bulldozer FAQ

Common Questions

Do you repair cracked dozer blades and worn cutting edges?
Yes. Moldboard cracks, worn cutting edges, bent push arms, and damaged ripper shanks are repaired in the shop with welding and fabrication. We look at what caused the crack before welding it, because a repair that ignores the cause opens back up on the next push. Blade and structural work is inspected before and after.
How do I know when my dozer undercarriage needs replacement?
Wear is measured, not eyeballed. We measure track chain, rollers, idlers, and sprockets against factory spec and give you percentage-of-wear numbers. From there you get a straight recommendation: run it, repair specific components, or plan a full undercarriage around your job schedule. Replacing single components is often the right call and far cheaper than a full set.
How often should a bulldozer be serviced?
Most dozers run oil and filter service around every 250 hours, with deeper inspections at 500 and 1,000 hours. Undercarriage wear gets measured on its own schedule, because hours in caliche wear iron faster than hours in soft dirt. We build the maintenance interval around how your machine actually works instead of a generic chart.
Why does my dozer pull to one side?
Usually a worn steering clutch, a dragging brake, or a final drive going out on one side. All three feel similar from the seat, so we pressure-test and drag-test before recommending anything. Steering clutch repair caught early is a very different job from one that has been run until the pack is gone.
Can you rebuild a bulldozer engine instead of replacing it?
Yes. Chris and his team rebuild heavy equipment engines in-house at our Midland shop. The engine is torn down, measured against factory tolerances, and quoted on what the parts actually show. If the block is not worth building, we tell you that before you spend the money.
What brands of bulldozers do you work on?
Caterpillar, Komatsu, John Deere, Case, and the other makes running in West Texas construction and oilfield dirt work. If it is a track-type tractor with a diesel engine, hydraulics, and an undercarriage, it is in scope. Call (432) 557-6500 with the make and model and we will confirm parts availability.
What does bulldozer repair cost in Midland, TX?
It depends entirely on what failed, which is why we diagnose before we quote. A hose repair and a final drive rebuild are very different jobs. You get an itemized written estimate after inspection and before any work begins, with no work added that the machine does not need.

Dozer Down? Dirt Waiting?

Call us with what the machine is doing. The repair gets diagnosed by evidence, built with OEM parts, and proven under load before Chris signs off on release.

Call (432) 557-6500
Request a Service Estimate
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