Fits John Deere 4.239 Late, 4039D Crankshaft Remachined 10/ST Rods & Mains 4 Cyl Diesel R23909, R97926, R97928, R121018, R81959, R979266, RE20585, RE65224 60mm (2.36?) Long snout. 4.239 ESN 769620 & up. * Flange: 4 Bolt Holes, 1 Dowel Hole * Snout: 1 Bolt Hole, 2 Key-ways * Stroke: 4.330" * Rod Journal: 2.7480-2.7488" * Main Journal: 3.1236-3.1244" * 5 Mains * No Gear