Kenworthrepair & diagnostics
Kenworth — W990, T680, T880, and vocational T880/T800 — runs PACCAR MX-13 and Cummins engines. We handle Kenworth aftertreatment, air systems, and cooling faults that cause overheating under load.
Shop & mobile service for Kenworth
Connect the right laptop, pull active and inactive codes, and read live data before recommending parts.
Forced (parked) regens, SCR/DEF dosing faults, NOx sensor diagnosis, and derate clearing.
Slack adjusters, chambers, relay valves, drums, linings, and ABS blink-code reading.
Alternators, batteries, parasitic draws, 7-way, and crank/no-start diagnosis.
Air ride ride height, air bags, leveling valves, and walking-beam service.
Preventative maintenance A/B/C and annual DOT inspections that leave you compliant.
Commercial tire sales, mounting, balancing, wheel seals, bearings, and hubs.
Lights, brakes, suspension, landing gear, doors, and reefer refrigeration troubleshooting.
The faults we see most
DPF and aftertreatment faults on W990, T680, and T880.
Dryers, gladhand seals, and compressor unloaders draining tanks.
Fan clutch failures and charge-air cooler restrictions causing overheating on grades.
Kenworth engine platforms
We connect the right diagnostic laptop for each engine platform Kenworth runs, pull the fault codes, and read live data before recommending a single part. Below are the engines we service on Kenworth.
Read the diagnostic path
MTG Shops does not perform engine overhauls or major component rebuilds in-house. We have quality partners in every market who specialize in Kenworth overhauls and in-frame / out-of-frame rebuilds. We handle the diagnosis, get the truck to the right specialist, and coordinate the handoff. You get an honest answer about what we fix and what goes to a trusted partner.
Get a bay time and a straight estimate.