Fits Allis Chalmers 301 Crankshaft Remachined 4022256 30/20 Rods & Mains

Fits Allis Chalmers 301 Crankshaft Remachined 30/20 Rods & Mains 6 Cyl Diesel Forg # 4022491, 4020345, 4023823, 4022256, 4512316 G2800, D2800, D2900, 180, 185, XT190 Tractors. Stroke: 4.250"| Rod Journal: 2.373"| Main Journal: 2.748"| 7 Mains| Fits early model engines with cam driven oil pump and long (approx 2 1/8?) front main journal length. Flywheel flange has 4 bolt holes and 2 dowel pin holes.