Track roller & Carrier roller
(1) Well lubricated oil recycle system.
(2) Steel shaft made by round steel or forging.
(3) High hardness wear-resisting alloy Chrom & Molybdenum floating seal and elastic rubber O ring.
(4) Deep hardened wear surface.
(5) Good quality bronze bushings.
Track chain & Track shoes
(1) Whole hardness HRC38-41.
(2) Thickness to keep the strenth.