Hydraulic Pumps

Gear Pumps

• Reversible gear sets
• Cast iron front & back covers
• Viton seals available
• Working pressures up to 3600 PSI
• Customization available
  • Flanges
  • Shaft sizes
  • Flow control rear cover
• Double pumps: Available in WPA, WPB & WPC
• Maximum speed from 2500 to 4000 RPM using SAE 10W oil
• Displacement covers 0.27 in3/rev. to 4.48 in3/rev.
• Inlet pressure: Pump inlet should not exceed 5 in. of mercury vacuum or 14 PSI positive pressure
• Ports: SAE straight thread O-ring boss for WPA, WPB & WPC
• Working oil: A mineral based oil with additives to resist corrosion oxidation, & foaming is recommended. Viscosity at any running condition should be 60 SUS minimum & 250 SUS maximum. 180° F is the maximum recommended system operating temperature
• Filtration: Per ISO cleanliness code level 17/14/15 micron filtration for full PSI is recommended

Aluminum

PTO Hydraulic Pump (Aluminum Housing)

Cast Iron

PTO Hydraulic Pump (Cast Iron Housing)

Aluminum Rear Ported

PTO Hydraulic Pump (Aluminum Housing) Rear Ported

Cast Iron Rear Ported

PTO Hydraulic Pump (Castiron Housing) Rear Ported

PTO Pumps

• Cast iron end plates with aluminum center section
• Self-Adjusting wear plates
• Tapped holes for torque arm kit to prevent pump rotation
• Hose barb for inlet port and NPT adapter for outlet port
• Slips onto tractor PTO shaft (no gear box required)