Fits Ford / New Holland 233D, 256D, BSD442 OEM Crankshaft Remachined 10/10 Rods & Mains 4 Cyl Diesel 81804029, 81873978, 81874001, C5NE6303K, F0NN6300FB Includes balancer drive gear with M style teeth. Check balancer drive gear to determine Early (78-Tooth) or Late (76-Tooth) and M or W style teeth | Flange: Centering Ring, 6 Bolt Holes, 1 Dowel Hole | Snout: 1 Bolt Hole, 1 Key-way | Stroke: 4.203 in | Rod Journal: 2.7496-2.7504 in | Main Journal: 3.3713-3.3723 in | 5 Mains | With 78 Tooth Gear | With 2 Helical Gears With 78 Tooth Gear