John Deere 4045, 4.5L, PowerTech OEM Crankshaft Remachined 10/10 Rods & Mains 4 Cyl Diesel RE504638, RE50618, R113596 Single step straight nose style. PowerTech * Flange: 4 Bolt Holes, 1 Dowel Hole * Snout: Single Step, 4 Bolt Holes * Stroke: 5.000" * Rod Journal: 3.0630-3.0640? * Main Journal: 3.1230-3.1240? * 5 Mains