... Ductile Iron. By sand casting. CNC machined. For Mercedes Benz Truck Representative transmission part product:Transmission&Heavy Engineering&Auto Parts: engine ... block, front frame, rear frame, Arm axle, ,bearing stand, cylinder, brake disc rotor, coupling, bolster,frame, ring gear, mill-ball, hammer ... , final drive and brakes (wet and dry), etc (Mercedes Benz Truck)Gear Box Transmission Part