China OEM Komatsu Pc120 Idler Group Track - CAT D9N D9R D9T Track Roller Double Flange 1969955 Wholesale OEM Manufacturer – Pingtai

Pingtai company specializes in the production of all kinds of bulldozer excavator undercarriage parts, we not only supply OEM parts ,but also provide aftermarket.The products used have industry-leading warranties ranging from 6 months to 2 years.
D9N track roller is specifically designed to provide extended life and durability for the toughest working conditions. And more advantages as following:

The material of Cat D9N 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.

The Cat D9 series bulldozer is known for its superior productivity, operating comfort and strong reliability.This is a general-purpose machine that is flexible enough to be used in heavy construction, quarries, and mines, helping you to do all the work well at the lowest cost.Landing gear is crucial for optimizing machine balance and optimal performance. The raised sprocket and completed suspension of the undercarriage are designed to increase traction while creating a smoother ride for your operator.Replace high -end quality undercarriage as needed to keep your CAT D9 bulldozer serving you better.

D9G, D9H, D9L, D9N, D9R & D9T