Bottom Roller 6693239 for Bobcat T630 T550 MT52 T190 T750 T180 T650 T320 MT50 T300 T250H T250 T770 T590 fits Terex HR-12Compatible with Bobcat Construction & Industrial(s) MT50, MT52. Compatible with Bobcat Skid Steer Loader(s) T180, T190, T250, T250H, T300, T320, T550, T590, T630, T650, T750, T770. Compatible with Terex Mini Excavator(s) HR 12 (s n A5GS11001 later, A5GT11001 later, A7UJ11001 later, AJZV11001 AJZV13999, ANKA11001 ANKA14999, ATF611001 later, T1ML11001 later, 1MLT11001 later, 1MLT11001 1MLT11010, A3P011001 A3P019999, A3P111001 A3P113999, A3P020001