TorqShift 10-Speed Automatic -inc: selectable drive modes: normal, eco, slippery roads, tow/haul and off-road
TorqShift-G 10-Speed Automatic -inc: SelectShift and selectable drive modes: normal, eco, slippery roads, tow/haul and trail
TorqShift-G 10-Speed Automatic -inc: SelectShift and selectable drive modes: normal, eco, slippery roads, tow/haul and off-road
Transmission, Allison 10-Speed automatic (Standard with (L8T) 6.6L V8 gas engine.)
Cooling, auxiliary external transmission oil cooler