Fits John Deere 6.404 Late, 6.466, 6076 Early Crankshaft Remachined 30/10 Rods & Mains 6 Cyl Update Master AR96189, R26540, R26560, R56919, R56934, RE63451, RE53422 Flange: Centering Ring, 6 Bolt Holes, 1 Dowel Hole |Snout: 2 Keyways, 1 Bolt Hole |Stroke: 4.750" |Rod Journal: 2.9980-2.9990" |Main Journal: 3.3715-3.3725" |7 Mains |6.404 ESN 215000 & up and 6076 ESN up to 187657