any track shoes chain pitch from 101 to 216 for Excavator and chain pitch from 171 to 228 for Bulldozer those which we sell to some 40 countries around the world track shoe is made of 23%-25% manganese alloy steel of quality by cutting,punching,quenching,tempering,trimming or polishing and spray painting so as to make our goods well-shaped,well-hardened,well-polished and well match the most excavator and bulldozer manufacturers around the world,perfect Anti-wear is our goods special attribute.

Pitch 171mm, single grouser track shoe for bulldozer:
CAT: D4D, D4E, D4H, D5C, D5M, D6, D6B, 561B, 561C, 561D, 561H, 933, 939,
935, 941, 943

Pitch 203mm, single grouser track shoe for bulldozer
1) CAT: D6C, D6D, D6E, D6G, D6H, D6R, D7, D7C, D7D, D8, D8D, D8E, D8G
2) Komatsu: D60A, D60E, D60F, D60P, D60S, D65A, D65E, D65P, D65S,
D68E, D68P, D75A

Pitch 216mm, single grouser track shoe for bulldozer:
1) CAT: D7E, D7F, D7G, D7H
2) Komatsu: D60A, D60E, D60F, D60P, D60S, D65A, D65E, D65P, D65S,
D68E, D68P, D75A

Pitch 228mm, single grouser track shoe for bulldozer: 
1) CAT: D8H, D8K, D8L, D8N 
2) Komatsu: D120A, D135A, D150A, D155, D275