100% Original Bulldozer Wheels - D6H Bottom Roller DF Double Flange Heavy duty Equipment 120-5766 125-4176 288-0935 6T0727 6T4861 7T4107 6T4861 – Pingtai

PINGTAI supplies the construction and mining industry with Caterpillar bulldozer D6 series undercarriage parts , track rollers along with single and double flange bottom track rollers. Our rollers are manufactured to provide excellent service in extreme operating conditions with industry- leading guarantee time 6 months to 2 years.

The advantage of our D6H track roller DF products lies in the product design concept, strict selection of raw materials and strict control of technical production.

The material of the Cat D6H 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.