Totally interchangeable with OEM pump of A4V(S)O pump. Reduce your cost,bring more profit for you.

A4V(S)O
Displacment: 40, 71, 125, 250
Control Device: DR/DRG/LR/MA/HD
Rotating direction: R/L
Seal: P type, V type
Shat: Keyed Shaft P, Splined Shaft Z

A4FO
Model of operation: Open Circuit
Displacement: 40, 71, 125, 180, 250
Rotating Shaft: R/L
Seal: N type, V type
Shaft type: Keyed shaft, Splined Shaft SAE, Splined Shaft DIN5480.
Amounting Flang: ISO two hole(C type), ISO four holes (B type)
Service Ports: 12 Type, 25 type

A4F
Model of operation: Motor
Displacement: 40, 71, 125, 180, 250,
Rotating Direction: Doulbe way(W)
Seals: P type, V type.
Shaft: Keyed shaft P, Splined Shaft DIN5480
Amounting Flange: ISO 2 holes C, ISO 4 holes B
Service Port: 01 type, 02 type