Overall total length: 392 mm
Main journal diameter: Φ268 mm conical taper surface (1:20 taper ratio)
Middle bearing working diameter: Φ245 mm, fits connecting rod small end bush
End locking thread: M42×3 fine thread on both ends for lock nut positioning
Structure: Solid one-piece forged tapered wrist pin, dual bearing journals
Single pump consumption: 3 pcs per full triplex mud pump set
Matching stroke: 305 mm (12 inch) rated reciprocating stroke
