•  A five axle-hole, 8 counter weight steel crankshaft has been adopted.

•  An oil line for supplying oil to each journal is provided in the crankshaft. Crank pins and fillets on both sides of the journal are rolled to bear heavy loads.

•  Upper and lower main bearings are made of aluminum alloy and thrust bearings are used at the No.3 journal. The upper main bearing has oil grooves and oil holes.

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1	Upper thrust bearing
2	Oil pump drive gear
3	Upper main bearing
4	Lower main bearing
5	Main bearing cap
6	Lower thrust bearing
7	Oil passage
8	Lolled