Bottom Roller Track Roller Replacement for Bobcat Skid Steer Loader T140 T180 T190 T200 T300 T320 20725984Specifications Bottom Roller Weight59. 52 pounds Package Dimensions8. 66"X8. 66"X9. 05" Item Package Quantity1 x Bottom Roller Color: Black Finish: Smooth Technique: Forging and Casting OE Part Number 6689371 6732901 6686632 Fit For the Following Models Replacement for Bobcat Skid Steer Loader(s) T140, T180, T190, T200, T250, T250H, T300, T300H, T320, T550, T590, T630, T650, T750, T770 s n: A5GS11001 later, A5GT11001 later, 523011001 later, 523111001