The machining process of the top/bottom roller. 

Crawler Top Rollers
1.In accordance with the original drawing, cover 1350 models, 97% crawler crane brands.
2.Heat-treated and induction-hardened shaft made of quality steel to guarantee resistance to wear and heavy load.
Crawler Bottom Rollers
1.The best-floating seals makes the bottom rollers long working life and perfect performance under any working condition.
2.Pure copper bushing lengthened life cycle.
3.Crack controlling is assured.
Our main products are Undercarriage Parts for Crawler Crane, such as track shoe, track link, drive chain, track roller, top roller, idler, sprocket, etc.
Please contact us if you have any needs.
Mail: parts@crawlercranesparts.com
Telephone: +86 535 672 4921