MECHANICAL Rear axle, 4.56 ratio Air cleaner, heavy-duty, 11" diameter dry paper single element. Air cleaner canister standard with air restriction gauge. Back of cab location. Battery, dual 750 cold-cranking amps, 12 volt, maintenance free Alternator, 140 amps Frame, ladder-type channel frame. Full C section straight frame 33.5" (85.1 cm) wide. Yield strength 44,000 psi, section modulus 7.20 cu.in. and RBM 316,800 lb-ft/in per rail. Incomplete vehicle certification Wheelbase, 150" (381.0 cm) GVWR, 14,500 lbs. (6577 kg) Front suspension, 6,830 lbs. (3098 kg) tapered leaf, semi-elliptical steel alloy. Includes shock absorbers and stabilizer bar. Rear Suspension, 9,880 lbs. (4481kg), multi-leaf, semi-elliptical steel alloy. Includes shock absorbers Rear axle, 11,020 lbs. (4998 kg), full-floating with oil lubricated rear wheel-bearings Vehicle Application Truck Exhaust brake Exhaust, single horizontal outlet Fuel tank, 30 Gallon, (113L), stainless steel includes 2 auxiliary fuel ports --- EXTERIOR Grille, Silver Glass, tinted Mirror, outside left-hand and right hand dual cab-mounted with integral convex mirror Windshield wiper, pulse, wet arm --- ENTERTAINMENT Audio system feature, 2 speakers --- INTERIOR Cup holders Steering wheel, urethane Driver Information Center, (DIC) (monitors vital functions including diesel exhaust fluid levels (DEF), particulate matter emissions level in the diesel particulate filter (DPF), diesel particulate filter regeneration, service reminders for engine oil, transmission oil, differential oil, power steering fluid, engine oil filter, and fuel filters. Also provides fuel economy reporting by average, instant, and trip.) Windshield washer bottle access on passenger side dash when passenger-side door is open Storage, door pockets Lighting, interior dome Storage, seatback pockets --- SAFETY Brake, parking, cable actuated, internal expanding drum type, transmission-mounted --- Convenience:Steering wheel, tilt and telescopic Drivetrain:Drivetrain, rear-wheel drive Steering:Front axle, 6,830 lbs. (3098 kg), reverse Elliot "I"-beam includes integral hydraulic power steering with an 18.8-20.9:1 gear ratio Brakes:Brakes, 4-wheel antilock, front and rear disc with traction control and stability control Safety Features:Daytime Running Lamps Running Boards:Assist steps Floor Mats:Floor mats Air Conditioning:Air conditioning, single-zone manual, integral in-dash mounted Window:Windows, power