We focus on wholesale dozer parts and excavator parts overseas, Idler assy is made of high quality, effective undercarriage spare parts are popular in our South- East Asia, Mid-East, South America and some East European customers, as an excellent undercarriage parts supplier and manufacturer in China, we own professional production lines and technology. Spare parts for bulldozer and excavator are applicable for Daewoo, Doosan, Komatsu, Caterpillar, Hitachi, Kobelco, Sumitomo, Hyundai etc. Welcome to order Hitachi  undercarriage parts online.

Front idler
We offer cast and fabricated idler designs. The cast idler designs are hollow and single web. The fabricated idler designs are straight side plate and curved side plate, each using a rolled tread and flange section. Internal reinforcing plates provide added strength. Our fabricated idler roller rings represent a further step in our strategy.
Functions:
Guide the track in and out of the track rollers.
Intermittently support the machine's weight
Provide a way to control slack and tension
Requirements
Strength to resist failure before tread wear life is utilized.
Tread wear life equal to or greater than link wear life to service limits.
Treads and center flanges rebuild able.
Features:
Tread hardness similar to track links, track rollers and carrier rollers for impact strength and balanced wear life.
Rebuild able tread.