HEAVY-DUTY TRANSMISSION SPECIALISTS

Transmission Repair

Mobile diagnostics and repair for manual, automated manual and automatic heavy-duty transmissions.

TRANSMISSION PLATFORMS

Eaton • Allison • Detroit • Volvo / Mack

Smith Truck Repair specializes in troubleshooting and service across common heavy-duty transmission systems, from traditional manuals to modern automated and automatic units.

Eaton Fuller manual transmissions
Eaton Endurant / UltraShift automated transmissions
Allison automatic transmissions
Detroit DT12 automated transmissions
Volvo I-Shift / Mack mDrive automated transmissions
Clutch, shift, wiring and driveline diagnosis

TRANSMISSION + DRIVELINE

One Mobile Repair Company for the Whole Truck

We also handle clutch, driveshaft, U-joint and related chassis concerns as part of our bumper-to-bumper service. Tires excluded.

Schedule Transmission Service

COMMON TRANSMISSION WORK

Diagnostics, Service & Repair

Eaton Manual

Shift concerns, clutch-related diagnosis, leaks, linkage and selected manual transmission repairs.

Eaton Automated

Endurant / UltraShift fault diagnostics, clutch and actuator-related troubleshooting, electrical and shift concerns.

Allison Automatic

Electronic diagnostics, shift concerns, leaks and selected service/repair on supported Allison applications.

Detroit DT12

Automated transmission diagnostics, clutch/actuator issues, fault codes and related service.

Volvo I-Shift / Mack mDrive

Electronic diagnosis, shift complaints, clutch/actuator concerns and related automated transmission service.

Clutch & Driveline

Clutch adjustments, driveline concerns, U-joints, driveshaft issues and related chassis repair.

BUMPER-TO-BUMPER CAPABILITY

Transmission Problems Rarely Live Alone

We can diagnose the surrounding electrical, air, clutch, driveline and chassis systems instead of treating the transmission as an isolated component.