Exhaust, aluminized stainless-steel muffler and tailpipe
GVWR, 8600 lbs. (3901 kg) (Standard on *G23*05 models. Reference the Engine/Axle page for availability.)
Suspension, front independent with coil springs and stabilizer bar (Requires *G***05 models.)
Suspension, rear hypoid drive axle with multi-leaf springs
Battery, 600 cold-cranking amps, maintenance-free with rundown protection and retained accessory power
Frame, full-length box ladder-type
Engine, Vortec 4.8L V8 SFI (279 hp [208 kW] @ 5200 rpm, 294 lb-ft of torque [396.9 N-m] @ 4500 rpm) (Includes external engine oil cooler. Standard on *G23*05 models and *G33*05 models. Reference the Engine/Axle page for availability.)
Rear axle, 3.73 ratio (Standard on the *G23*05 and *G33*05 models. Available on ** 13405 models with (LMF) Vortec 5.3L V8 SFI engine. Reference the Engine/Axle page for availability)
Steering, power
Brakes, 4-wheel antilock, 4-wheel disc
Rear wheel drive
Alternator, 105 amps (Not available with (LMM) Duramax 6.6L Turbo Diesel V8 engine.)