Fits John Deere 6.531, 6.619, 6.101 Early Crankshaft Remachined 10/10 Rods/Mains 6 Cyl Diesel AR92533, AR36350, AR47403, AR69264, AR78403, R36350, R57730, R63476, R63478 Includes oil pump drive gear. | Flange: 6 Bolt Holes, 2 Large Dowels | Snout: 1 Large Bolt Hole, Threaded | Stroke: 5.000 in | Rod Journal: 3.4980-3.4990 in | Main Journal: 3.7480-3.7490 in | 7 Mains | With 2 Helical Gears