Transmission, 6-speed automatic, heavy-duty, electronically controlled with overdrive tow/haul mode and internal transmission oil cooler (Reference the Engine/Axle page for availability.)
Transmission oil cooler, external
Brake/transmission shift interlock, for automatic transmissions
Transmission, 6-speed automatic, heavy-duty, electronically controlled with overdrive and tow/haul mode and internal transmission oil cooler (Includes external engine oil cooler. Reference the Engine/Axle page for availability.)
Brake/transmission shift interlock for automatic transmissions
Engine, Duramax 6.6L V8 Turbo Diesel (260 hp [193.9 kW] @ 3100 rpm, 525 lb-ft of torque [708.7 N-m] @ 1600 rpm) with B20 Bio-Diesel capability (see owner's manual for details) (Requires (KG3) 145 amp alternator, (GH0) 3.54 rear axle ratio, and (MYD) heavy-duty, 6-speed automatic transmission. With CG33406 models requires (C6Y) 9600 lbs. (4354) GVWR and (ZX5) 12-passenger seating. With CG33706 models requires (C4M) 9900 lbs. (4490 kg) GVWR and (ZX5) 12-passenger seating or (ZP3) 15-passenger seating.)
Transmission, 6-speed automatic, heavy-duty, electronically controlled with overdrive and tow/haul mode and internal transmission oil cooler
Transmission oil cooler, external (Included and only available with (L20) Vortec 4.8L V8 SFI engine or (L96) Vortec 6.0L V8 SFI FlexFuel engine.)
Transmission, 6-speed automatic, heavy-duty, electronically controlled with overdrive tow/haul mode and internal transmission oil cooler
6-Speed Automatic w/SelectShift
6-Speed Automatic w/OD & SelectShift