4N Grouser Bar Section #845: Was originally designed for the D7 Super Extreme Service Shoe, but has found many other uses. The other main use for the 845 is protecting the bolts on a D10 and D11 track shoe.
4N Grouser Bar Section #890: Is used mostly for D8 and older D9 sized machines. This bar is available in Heat-Treated or Non-Heat-Treated options. We do this to best fit the customer requirements.
4N Grouser Bar Section #910: Designed for D9 Super Extreme Service Shoes and D10 Extreme Service Shoes.
4N Grouser Bar Section #912: Works best on the D10 Super Extreme Shoe.
4N Grouser Bar Section #911: Designed for the D11 shoe.
4N Grouser Bar Section #913: This bar is designed to fit the D10 and D11 shoes in highly abrasive environments.
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