Heavy-duty trucks need serious expertise?
Pros who keep the big rigs rolling strong and steady. No compromises here.
Courtesy of the 4LPHA TECHTEAM, here’s a snapshot of recent transmission and drivetrain work completed on working trucks and fleet vehicles. Built for reliability, serviced with care. Trusted by owners and operators.
The Alpha way 🔧
2018 Ford F-650 Box Truck (6.7L, RWD, 6-speed automatic)
→ Full transmission service with fluid and filter replacement to address delayed upshifts under load
2016 Ford F-750 Dump Truck (RWD, 6-speed automatic)
→ Transmission cooler replacement and fluid flush after overheating during heavy hauling
2019 Ford F-650 Reefer / Refrigerated Box Truck (RWD, 6-speed automatic)
→ Transmission service and torque converter inspection for smooth, reliable shifts
2015 Ford F-650 Service Truck (RWD, 6-speed automatic)
→ Torque converter replacement following shudder and vibration at cruising speed
2020 Ford F-750 Flatbed (RWD, 6-speed automatic)
→ Transmission fluid exchange and software calibration to resolve shift hesitation
2014 Ford F-650 Tow Truck (RWD, 6-speed automatic)
→ Transmission mount replacement and driveline inspection after excessive vibration
2019 Freightliner M2 106 Box Truck (RWD, 6-speed automatic)
→ Full transmission service with fluid and filter replacement to improve shift consistency under load
2017 Freightliner M2 106 Refrigerated Truck (RWD, 6-speed automatic)
→ Torque converter replacement after shudder during steady-speed operation
2018 Freightliner M2 112 Flatbed (RWD, 6-speed automatic)
→ Valve body service and adaptive recalibration to correct harsh downshifts
2016 Freightliner M2 106 Service Truck (RWD, 6-speed automatic)
→ Transmission mount replacement and driveline inspection to eliminate vibration
2015 Freightliner M2 106 Tow Truck (RWD, 6-speed automatic)
→ Solenoid pack replacement and pan service following erratic shift behavior
2020 Freightliner Cascadia (6×4, 12-speed automated manual)
→ Clutch actuator service and transmission calibration to restore smooth gear engagement
2019 Hino 195 Box Truck (RWD, 6-speed automatic)
→ Transmission fluid flush and filter replacement to restore smooth upshifts
2017 Hino 268 Refrigerated Truck (RWD, 6-speed automatic)
→ Valve body service and adaptive relearn after shift hesitation under load
2018 Hino 195 Flatbed (RWD, 6-speed automatic)
→ Torque converter replacement to eliminate shudder during highway cruising
2018 Hino 195 Flatbed (RWD, 6-speed automatic)
→ Torque converter swap after customer reported slipping under load
2016 Hino 338 Dump Truck (RWD, 6-speed automatic)
→ Shift solenoid pack service to restore precise gear engagement
2015 Hino 195 Service Truck (RWD, 6-speed automatic)
→ Transmission pan reseal and fluid service to resolve low-speed gear flare
2019 International MV607 Box Truck (RWD, 6-speed automatic)
→ Torque converter replacement and adaptive software recalibration to fix slipping under heavy load
2017 International 4300 Dump Truck (RWD, 6-speed automatic)
→ Shift solenoid replacement and valve body service to restore precise 2–3 gear engagement
2018 International HV607 Refrigerated Truck (RWD, 6-speed automatic)
→ Full transmission fluid flush and filter change with adaptive relearn for smooth highway cruising
2016 International 4000 Flatbed (RWD, 6-speed automatic)
→ Transmission rebuild focusing on worn clutch packs in low and mid-range gears
2015 International DuraStar 4300 Utility Truck (RWD, 6-speed automatic)
→ Pan and gasket replacement combined with solenoid swap to eliminate delayed engagement
2002 International 4700 Flatbed (RWD, 5-speed manual)
→ Clutch replacement and internal transmission service following hard shifting
2003 Isuzu NQR Utility Truck (RWD, 5-speed manual)
→ Clutch assembly replacement and transmission reseal to restore drivability
2018 Isuzu NQR Refrigerated Truck (RWD, 5-speed automatic)
→ Valve body service and fluid exchange to correct delayed 2–3 shifts under load
2017 Isuzu NPR HD Flatbed (RWD, 5-speed automatic)
→ Transmission pan reseal and solenoid swap to eliminate harsh low-speed shifting
2016 Isuzu NRR Dump Truck (RWD, 5-speed automatic)
→ Friction pack replacement and internal fluid flush to restore consistent gear engagement
2015 Isuzu NPR Service Truck (RWD, 5-speed automatic)
→ Torque converter and valve body overhaul after slipping and hesitation complaints
2020 Isuzu NQR Box Truck (RWD, 5-speed automatic)
→ Adaptive transmission recalibration and filter replacement for smooth highway operation
2019 Kenworth T370 Box Truck (RWD, 6-speed automatic)
→ Torque converter replacement and adaptive recalibration to resolve low-speed slipping
2018 Kenworth T680 Tractor (RWD, 10-speed automatic)
→ Valve body rebuild and fluid flush to correct erratic gear engagement under highway loads
2017 Kenworth T270 Dump Truck (RWD, 6-speed automatic)
→ Solenoid pack service and transmission pan reseal to restore smooth upshifts
2014 Kenworth T800 Refrigerated Truck (RWD, 10-speed automatic)
→ Specialty rebuild targeting worn friction discs and solenoid adjustments
2015 Kenworth T660 Box Truck (RWD, 10-speed automatic)
→ Torque converter and filter service after throttle-responsive slipping reported
2007 Kenworth T800 Flatbed (6×4, 10-speed manual)
→ Transmission rebuild focusing on worn gears and synchronizer failure
2019 Mack MD6 Box Truck (RWD, 6-speed automatic)
→ Torque converter replacement and adaptive transmission reset to correct shudder under load
2018 Mack Granite Dump Truck (RWD, 10-speed automated manual)
→ Clutch actuator service and transmission recalibration to restore smooth gear engagement
2017 Mack Pinnacle Day Cab (6×4, 12-speed automated manual)
→ Transmission control module update and adaptive relearn to resolve inconsistent shifting
2016 Mack MD7 Refrigerated Truck (RWD, 6-speed automatic)
→ Valve body replacement and fluid service to correct harsh downshifts
2015 Mack CHU613 Tractor (6×4, 10-speed manual)
→ Clutch assembly replacement and transmission adjustment after hard gear engagement
2001 Mack CH613 Day Cab (6×4, 10-speed manual)
→ Clutch replacement and full transmission service after loss of smooth shifting
2019 Peterbilt 337 Box Truck (RWD, 6-speed automatic)
→ Torque converter replacement and adaptive recalibration to correct shudder under load
2018 Peterbilt 579 Day Cab (6×4, 12-speed automated manual)
→ Transmission calibration and clutch actuator service to restore consistent gear changes
2017 Peterbilt 348 Dump Truck (RWD, 6-speed automatic)
→ Valve body replacement and fluid service to correct harsh upshifts
2016 Peterbilt 389 Sleeper (6×4, 13-speed manual)
→ Clutch assembly replacement and transmission adjustment after hard gear engagement
2015 Peterbilt 567 Flatbed (6×4, 12-speed automated manual)
→ Internal transmission service addressing delayed engagement during startup
2008 Peterbilt 379 Sleeper (6×4, 13-speed manual)
→ Transmission rebuild after synchro failure and difficult gear selection
2019 Western Star 4700 Box Truck (RWD, 6-speed automatic)
→ Torque converter replacement and adaptive transmission relearn to correct slipping under load
2017 Western Star 5700XE Day Cab (6×4, 12-speed automated manual)
→ Transmission control module update and adaptive reset to correct inconsistent shifting
2007 Western Star 4900 Dump Truck (6×4, 10-speed manual)
→ Complete transmission rebuild following gear noise and loss of engagement
2020 Western Star 4700 Dump Truck (RWD, 6-speed automatic)
→ Internal transmission service addressing delayed engagement during startup
2019 Western Star 4700 Box Truck (RWD, 6-speed automatic)
→ Transmission pan gasket replacement and solenoid inspection to correct occasional harsh downshifts
2014 Western Star 4900SA Tractor (6×4, 13-speed manual)
→ Transmission rebuild focusing on worn synchronizers and gear wear
From box trucks and fleet haulers to diesel heavyweights, these workhorses are in our wheelhouse — and that same transmission-first care extends across every vehicle we service.
Explore our other service categories below.