Description: 515 hp Detroit Diesel 60 series, Jake brake, 18 speed transmission, 16,000# front axle, 46,000# rear axle on air ride, driver controlled locking differential, air dryer, 250" wheelbase, 24" air slide fifth wheel, dual 100 gallon fuel tanks, goodyear 22.5 tires, aluminum front wheels, steel drive wheels, painted viper red