Cat D3B, D3C, D4C Three Sided Cab $598.00 Cat D3C D4C D5C Series II or III 3-Sided Sided Cab Economy Tractor Cab $289.00 Cat D3C D4C D5C Series II or III Three Sided Cab $598.00 Cat D3G, D4G, D5G, Four Sided Cab Economy Tractor Cab $298.00 Cat D3G, D4G, D5G, Three Sided Cab $598.00 Cat D3G, D4G, D5G, Four Sided Cab $659.00 Cat D4H, D5H, D5M, Series II or III Three Sided Cab $659.00 Cat D7H, D8N, D8R Three Sided Cab $798.00 Cat D6H & D6R Three Sided Cab $698.00