Specifications include, but are not limited to: The purchase of one large bus. General Specifications GVWR: 18,900 lb. (minimum) Wheelbase: 208” (minimum) Interior headroom: 75” (minimum) Interior width: 89” (minimum) Exterior width: 98” (maximum) Power Train Engine, diesel, 200 horsepower (minimum), 400 lb-ft gross torque (minimum), six cylinder (minimum); high idle solenoid, to include necessary equipment to assure minimum coolant temperature of 195 ºF under normal operating conditions Heavy-duty four-speed (minimum) electronically controlled automatic transmission with overdrive; external transmission oil cooler Radiator core, maximum available with anti-freeze protection to -30° F Engine block heater and cord