Cummins 611, L10 OEM Crankshaft Remachined 10/10 Rods & Mains 6 Cyl Diesel 3819989, 3803898, 3073707, 3027931 Internally balanced. Snout is approx.. 2.0625? long with 3.385? ?. With Helical Gear on the Nose * Flange: Flat, 8 Bolt Holes, 2 Offset Dowel Holes * Snout: 5 Bolt Holes, 1 Keyway * Stroke: 5.354" * Rod Journal: 3.1097-3.1107" * Main Journal: 4.4888-4.4904" * 7 Mains