Mechanical Features
- Engine, Vortec 5.3L V8 SFI (301 hp [224.4 kW] @ 5200 rpm, 325 lb-ft of torque [438.8 N-m] @ 4500 rpm) (Available on *G13405 model when ordered with (C5Z) 7200 lbs (3266 kg) GVWR. Standard on *H13405 models. Reference the Engine/Axle page for availability.)
- Transmission, 4-speed automatic, electronically controlled with overdrive, tow/haul mode and internal transmission oil cooler (Required and standard when ordered with (LU3) Vortec 4.3L V6 MFI engine or (LMF) Vortec 5.3L V8 SFI engine. Reference the Engine/Axle page for availability.)
- Rear axle, 3.42 ratio (Standard on **13405 models. Reference the Engine/Axle page for availability.)
- Body, standard
- All wheel drive
- Battery, 600 cold-cranking amps, maintenance-free with rundown protection and retained accessory power
- Alternator, 105 amps (Not available with (LMM) Duramax 6.6L Turbo Diesel V8 engine.)
- GVWR, 7300 lbs. (3311 kg) (Standard on *H13405 models. Reference the Engine/Axle page for availability.)
- Frame, full-length box ladder-type
- Suspension, front independent with torsion bar (computer selected) and stabilizer bar (Requires *H***05 models.)
- Suspension, rear hypoid drive axle with multi-leaf springs
- Steering, power
- Exhaust, aluminized stainless-steel muffler and tailpipe