HD 6-speed automatic transmission w/OD-inc: tow/haul mode, driver shift control, manual shift mode
Auxiliary external HD air-to-oil transmission oil cooler
Brake/transmission shift interlock
HD 6-speed automatic transmission w/OD-inc: tow/haul mode, driver shift control, manual shift mode
Auxiliary external HD air-to-oil transmission oil cooler
Brake/transmission shift interlock