Rear axle, 5.57 ratio Wheelbase, 150" (381.0 cm) GVWR, 19,500 lbs. Fuel tank, 30 Gallon, (113L), rectangular fuel tank. mounted between frame rail with electric type fuel pump (mounted in tank). Through the rail fuel fill Exhaust, single horizontal outlet --- EXTERIOR Tires, front, 225/70R19.5 Tires, rear, 225/70R19.5 Glass, tinted Mirror, outside left hand and right hand dual cab mounted exterior 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. The DIC 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 --- Running Boards:Assist steps