1986 Kenworth Dump Truck. Model C520 has a big cam 315 Cummins motor turned up to 475 hp with a low flow coolant system. 376,125 metered miles. Eight speed Eaton Fuller transmission with low, low. 22,000 lb. front axle. Double frame. Heavy duty 46,000 lb. Rockwell rear axle and Hendrickson heavy duty spring suspension with a 5.29 gear ratio. New bearings and brakes. Three stage engine brake. 75 mph highway speed. Approximate 24 yard 17 foot long Fruehauf bathtub body. GVWR 68,000 lbs. Empty weight 30,000 lbs.