Fits Caterpillar Cat 425, 3304 Crankshaft New 4 Cyl Update Master 2P1491, 2P1686, 2P6213, 2P6214, 2P6217, 2W7960, 2Y4504, 3Y1613, 4N769, 4N7692, 4N7694, 4N7695, 4N9694, 5C3834, 5C3834V, 5S3835, 5S5251, 5S5252, 9S771, 0R1212, 0R1214, 0R5021, 0R5166, 0R5167, 0R5169, 0R5170 D4 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 |Thrust width on # 5 main journal is 1.593?, Front timing gear has 40-teeth and is L/H helical.