Caterpillar Bulldozer D8N Track Roller Double Flange 1969946 Factory

PINGTAI supplies the construction and mining industry with the Caterpillar D8 series of bulldozers undercarriage parts  The  track roller  with single and double flange ,Our rollers are manufactured to provide excellent service in extreme operating conditions and  outstanding after- service with warranty time 6 months to 2 years. More advantages of the product are as follows:

The material of  D8N  track roller body is forged by 40Mn2. and the surface heat treatment HRC 48-55 depth up to 5-8mm.  Precision CNC machine machining size is more accurate.

The material of the center shaft of the track roller forged by 42CrMo.The hardness of surface heat treatment can reach 48-55HRC More wear-resisting . Core hardness of HRC 28 or above is not easy to fracture. Tempering 180 degrees before finishing. The surface of the center shaft of the track roller is polished by CNC machine tool to make the shaft smoother.

High sealing aprons are used inside the track roller to prevent dirt, sand and water from damaging it.

The track roller using friction welding technology welding quality is good and stable, and environmental protection, no pollution. Welding process does not produce smoke or harmful gas, no splash, no lone light and spark, no radiation.Known as the green welding technology of the future.