Titan Attachments Bobcat T180 T190 T200 T250 T300 T630 864 Rear Idler Undercarriage Track 6732903 Precise fit - OEM quality Powder coated finish - OEM Part reference: 6732903, 6686635, 6686904 Fits Bobcat models: T190, T180, T140, T200, T250, T300, T320, T630, T650, T730, T750, T760, T770, and 864 - Width: 12" Wheel Thickness: 1.65" - Total Thickness: 8" Weight: 59 LBS