Mack Trucksrepair & diagnostics
Mack Granite, Pinnacle, and Anthem trucks run Mack's own MP7, MP8, and MP10 engines. We diagnose Mack aftertreatment faults, mRIDE suspension issues, and SCR/DEF derates.
Shop & mobile service for Mack Trucks
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 soot overload, regen faults, and NOx sensor mismatches on Mack's MP engines.
Air bag leaks and ride-height faults on Granite and Pinnacle models.
Engine derates tied to DEF dosing and SCR catalyst faults.
Mack Trucks engine platforms
We connect the right diagnostic laptop for each engine platform Mack Trucks runs, pull the fault codes, and read live data before recommending a single part. Below are the engines we service on Mack Trucks.
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 Mack Trucks 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.