Track Roller for Bobcat T180 T190 T250 T300 T320 T550 T770 Terex HR-12 6693239 04440355OEM Part Number 6693239 Fit for The Following Models Compatible with Bobcat Construction & Industrial(s) MT50, MT52 Compatible with Bobcat Skid Steer Loader(s) MT50, MT52, T180, T190, T250, T250 (s n A5GS11001 later, A5GT11001 later), T250H, T300, T320, T320 (s n A7UJ11001 later, AJZV11001 AJZV13999), T550 (s n A7UJ11001 later, AJZV11001 AJZV13999), T590, T630, T650 (s n T1ML11001 later, 1MLT11001 later, A3P011001 later, A3P111001 later, ALJG11001