Fleet Engine & Drivetrain Work in Midland, TX
Engine rebuilds, transmission service and rebuilds, differential repair, and full drivetrain diagnostics for fleet vehicles in Midland and the Permian Basin. Chris’s Diesel Service does this work in-house, on diesel and gas units alike, with every rebuild done personally by Chris. Never outsourced.
From the Crank. To the Axle.
Engine and drivetrain work is where fleet repair bills get serious, and where shop honesty matters most. Four areas of work, all done in this shop, all quoted in writing before teardown.
- Complete diesel and gas engine rebuilds
- Every rebuild done personally by Chris
- Machine-checked tolerances, documented build sheet
- OEM internals when they exist
- In-frame repair where the platform allows it
- Honest repair-versus-rebuild call before teardown
- Break-in procedure and follow-up oil service
- Rebuild documented in your fleet’s unit file
- Automatic and manual transmission rebuilds
- Shift quality, slipping, and overheating diagnosis
- Fluid service with condition recorded per unit
- Clutch replacement and flywheel work
- Torque converter replacement
- Cooler line and transmission cooling upgrades for towing
- Heavy-duty and medium-duty units in scope
- Road-tested loaded before release
- Differential rebuilds and gear set replacement
- Bearing noise and whine diagnosis
- Axle shaft and seal replacement
- Locker and limited-slip service
- Transfer case repair on 4×4 fleet trucks
- Gear pattern set and verified, not guessed
- Fluid service per severe-duty intervals
- Wheel-end work on heavy units
- Vibration diagnosis at speed and under load
- Driveshaft, U-joint, and carrier bearing replacement
- Driveline angle measurement and correction
- Full electronic drivetrain diagnostics with live data
- Noise isolation: engine, trans, diff, or wheel-end
- Pre-purchase drivetrain inspections for fleet additions
- Findings in writing with photos where useful
- Fix quoted by cause, not by symptom
Four Steps. No Shortcuts.
A rebuild is only as good as its discipline. This is the same sequence on every engine and transmission that comes through, whether it is a work truck or a semi.
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01
Diagnose & Decide
Compression, leak-down, oil analysis where useful, and live data under load. Then an honest call: repair, rebuild, or run it. You get the comparison in writing before teardown.
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02
Tear Down & Quote
Disassembly, measurement against factory tolerances, and a final itemized quote based on what the parts actually show. No scope creep without your sign-off.
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03
Build It Right
Chris does the build himself with OEM internals when they exist. Tolerances checked, torque specs documented, build sheet kept with the unit’s file.
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04
Break In & Verify
Proper break-in procedure, road test under load, and a follow-up oil service on rebuilds. The unit goes back to your fleet verified, not hoped-for.
Rebuilt Here. Not Bought.
Most shops sell you a reman engine of unknown history and a freight bill. We build yours back, in this shop, to documented tolerances. For a fleet, that difference shows up in the unit file, the resale value, and the miles between failures.
- One Builder Chris rebuilds every engine himself. In the trade since age 12, and the rebuild bay is where that shows. No outsourcing, no exchange units.
- OEM Internals OEM parts when they exist, best available standard when they do not. The cheap kit is how a rebuild ends up back on the hook at 30,000 miles.
- Documented Builds Measurements, torque specs, and parts on a build sheet that stays with the unit’s service file. Useful at resale, essential at warranty time.
- Verified Under Load Break-in procedure followed, then road-tested under load and signed off by Chris before the unit returns to work. Zero comebacks in 2025.
Common Questions
Should I rebuild my fleet vehicle’s engine or replace it?
Do you rebuild transmissions in-house too?
How long does an engine rebuild take for a fleet truck?
Can you diagnose a driveline vibration nobody else can find?
What does fleet engine and drivetrain work cost in Midland, TX?
Engine Tired? Trans Slipping?
Get the honest call before you spend the money. We diagnose it, put rebuild versus replace in writing, and do the work in-house either way.