Replaces Bobcat OEM Number(s) 7135590K, 17C1080, 53D10, 27E10, 7135590. Lower Bobtach Pivot Pin Kit. Compatible with Bobcat Skid Steer Loader(s) S510, S530, S550, S570, S590, S595, T550, T590, T595. Fits Bobcat small M series skid steers.