Excavator parts DX300 Carrier Roller

Doosan DX300 carrier roller is one of the key parts of Doosan DX300 excavator chassis, which is located above the X-frame, and there are usually more than one on one side.It mainly consists of wheel body, wheel axle, bearing assembly, etc. It is made of high quality steel by forging and other processes, with high strength and wear resistance.Its role is to support and guide the tracks, keep the chain track moving in a straight line, keep the tracks under proper tension, ensure the stability of the excavator’s travel, improve the operating efficiency, and adapt to Doosan DX300 excavator, which helps to extend the service life of the excavator.