2021 High quality Track Chain Assembly - Track Roller Single Flange D31 – Pingtai

We are a manufacturer for undercarriage parts and complete undercarriages for the Komatsu D31 Crawler Bulldozer. All of our undercarriage parts come backed by an industry leading 6 months to 2 years warranty. In addition to OEM&ODM undercarriage parts, we also accept custom production and aftermarket components for the Komatsu D31 dozer, some of which qualify for same-day shipping to get you back on the job fast.

The material of the 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.

D31A-15, D31A-16, D31A-17, D31A-18, D31E-18, D31E-20, D31EX-21, D31P-16, D31P-16A, D31P-17, D31P-17A, D31P-18, D31P-20, D31PL-16, D31PL-17, D31PL-18, D31PL-20, D31PLL-16, D31PLL-17, D31PLL-18, D31PLL-20, D31PX-21, D31Q-16, D31Q-17, D31Q-18, D31Q-20, D31S-15