A9513, Heavy Duty Trucks - Cabover Trucks w/o Sleeper, Caterpillar C-12, 10 Spd, Starts great and drives down the road at a low price. Useable tandem tractor for the bargain shopper. Newer motor and trans that is going to last a long time., 321 Horse Power, Suspension, Wheels, Wheel Base, , Axle, Ratio,