Engine, Vortec 6000 V8 SFI (300 HP [223.8 kW] at 4400 rpm, 360 lb.-ft. [486.6 N-m] at 4000 rpm)
Cooling, external engine oil cooler, heavy-duty air-to-oil, integral to driver side of radiator tank
Rear wheel drive
Rear axle, 4.10 ratio
Battery, heavy-duty, 600 cold-cranking amps, includes rundown protection and retained accessory power (Not standard with (LLY) Engine, Duramax 6600 Turbo Diesel V8)