Rear axle, 4.10 ratio Transfer case, with floor-mounted shifter (Included with 4WD models only.) Cooling, external engine oil cooler Cooling, auxiliary external transmission oil cooler Battery, heavy-duty 720 cold-cranking amps/80 Amp-hr, maintenance-free with rundown protection and retained accessory power Alternator, 150 amps Body, Chassis Cab Frame, fully-boxed, hydroformed front section GVWR, 13,200 lbs. (5988 kg) Suspension Package, Standard includes 51mm twin tube shock absorbers and 33mm front stabilizer bar Fuel tank, front and rear, 63.5 gallon Capped Fuel Fill Exhaust, aluminized stainless-steel muffler and tailpipe Back-up alarm calibration This calibration will allow installation of an aftermarket back up alarm. --- EXTERIOR Wheel trim, painted center caps Bumper, front chrome Grille, chrome surround Headlamps, halogen projector-beam Lamps, Smoked Amber roof marker Lamps, cargo area, cab mounted with switch on center switch bank Mirrors, outside high-visibility vertical camper-style, Black with manual folding and extension and lower convex spotter glass Glass, solar absorbing, tinted Door handles, Black --- ENTERTAINMENT 6-speaker audio system --- INTERIOR Floor covering, Graphite-colored rubberized-vinyl Steering wheel Instrumentation 6-gauge cluster featuring speedometer, fuel level, engine temperature, tachometer, voltage and oil pressure Driver Information Center 3.5-inch diagonal monochromatic display, provides warning messages and basic vehicle information Assist handle, front passenger and driver on A-pillars --- Differential:Differential, heavy-duty locking rear