Chief PTO Tractor Pumps (GP-PTO) - 7.4 GPM @ 540 RPM, 2250 PSI, SAE Ports

The Chief GP-PTO model is a gear pump designed for use on a tractor's Power Take-off (PTO). This line is offered in four displacement sizes, from 3.41 to 9.76in3/rev (56-160cm3/rev).

The recommended working conditions are as follows:

Filtration: 25 microns or better
Inlet pressure 12 to 32 psi absolute
Oil Viscosity: 6 to 200 cSt
Ambient Temperature: -8 to 130°F (-22 to 55°C)
Oil Temperature:  -12 to 175°F (-25 to 80°C)
Model Specific Information:

Model: GP-PTO-7-540
GPM: 7.4 (@ rated speed)
CID: 3.41
Ports: SAE-16/12
Shaft: 1 3/8" Female spline, 6 tooth
Rotation: Counterclockwise