Fits Caterpillar 425, 3304 Crankshaft New 4 Cyl Diesel 2P1491, 2P1686, 2P6213, 2P6214, 2P6217, 2W7960, 2Y4504, 3Y1613, 4N769, 4N7692, 4N7694, 4N7695, 4N9694, 5C3834, 5C3834V, 5S3835, 5S5251, 5S5252, 9S771, OR1212, 0R1214, 0R5021, 0R5166, 0R5167, 0R5169, 0R5170 D4 Thrust width on # 5 main journal is 1.593?, Front timing gear has 40-teeth and is L/H helical. * Flange: Flat, 9 Bolt Holes * Snout: Tapered, 1 Bolt Hole, 1 Keyway * Stroke: 6.000" * Rod Journal: 2.9987-3.0003? * Main Journal: 3.4990-3.5000? * 5 Mains * With Helical Gear * Material Grade: Casting ; Hardness: 53 - 58 HRC