The crankshaft material are all forging crankshaft ,and it supply to Massey Fugerson tractor directly ! Perkins 3.152 crankshaft Perkins 4.236 crankshaft , Perkins 1103 crankshaft , Massey Fugerson 240 crankshaft Massey Fugerson 260 crankshaft Massey Fugerson 375 crankshaft , all parts are OEM , and the material is forging crankshaft according to the Perkins diesel standard , lowest price