Cooling, External Engine Oil Cooler (Not available with (LWN) 2.8L Duramax Turbo-Diesel engine.)
Tow/haul mode selector, instrument panel-mounted
Rear-wheel drive
Battery, 600 cold-cranking amps, maintenance-free with rundown protection and retained accessory power
Alternator, 150 amps
Frame, ladder-type
Suspension, front independent with coil springs and stabilizer bar
Suspension, rear hypoid drive axle with multi-leaf springs
Steering, power
Brakes, 4-wheel antilock, 4-wheel disc
Fuel tank capacity, mid-frame and approximately 31 gallons (117.3L)
Exhaust, aluminized stainless-steel muffler and tailpipe
Engine, 4.3L V6 with Direct Injection and Variable Valve Timing, includes aluminum block construction (276 hp [206 kW] @ 5200 rpm, 298 lb-ft of torque [404 Nm] @ 3900 rpm) (Reference the Engine/Axle page for availability.)
Transmission, 8-speed automatic, electronically controlled with overdrive and tow/haul mode. Includes Cruise Grade Braking, Powertrain Grade Braking and Tap-Up/Tap-Down Driver Shift Control (Requires (LV1) 4.3L gas V6 engine. Reference the Engine/Axle page for availability.)
Rear axle, 3.42 ratio (Reference the Engine/Axle page for availability.)
GVWR, 9600 lbs. (4354 kgs) (Reference the Engine/Axle page for availability.)