HD 6-speed automatic transmission -inc: tow/haul mode, driver shift control, manual shift control
Aux external HD air-to-oil transmission oil cooler
Electronic variable 4-speed automatic transmission
Transmission, 4-speed automatic, electronic variable
Transmission, 6-speed automatic, heavy duty electronically controlled -inc: overdrive, tow/haul mode, driver shift control, manual shift control
Cooler, auxiliary, external transmission oil cooler, heavy duty air-to-oil