Holland Pump

Model W4R - KZ482 - Rotary Pump



Size: 4” Rotary Pump. Pump: Class 30 gray cast iron casing and smooth end cover. Rated Capacities: 222 GPM (30 cfm) @ 1000 RPM. Displacement: per revolution of 0.222 US gallons. Working Pressures: to 75 psi. Flange Connections: 4” Raised Face ANSI, 150 lbs. Flange connections included. Rated Speed: 0 - 1000 RPM. HiFlo© Rotors in: SBR, BunaN. Wet-Ends: Standard in Gray Cast Iron. Solids Passing: to 1.5” Solids. Rotary Lobes: Four HiFlo quad-lobe rotors, driven through positive timing gears running in oil; solid gray cast iron. cores covered with a layer of Buna-N, Durometer hardness 65-72. Rotary Vane Geometry: Convoluted to provide pulse free operation. Shafts: Carbon steel fitted with replacable ceramic coated stainless steel sleeves where passing through the seal area.

  • Mechanical Seals: Split silicon carbide.
  • Vibration: Pumps and motors operate at any point within their operating range without undue noise and vibration.
  • Top and Bottom Housing Segments: Class 30 gray cast iron coated with 2-3 mils of 417 Brinell hardness chrome segments adjustable based on wear.


  • 2.71 to 1 gear reduction


  • Model: Kubota Z482
  • Type: 2 Cylinder, 4 Cycle, Liquid Cooled Diesel Engine
  • Displacement: 29.23 cu.in.
  • Governor: Large Capacity, High Speed Flyweight Governor. This ensures stable operation at low RPM and assures high torque rise
  • Lubrication: Forced Circulation
  • Air Cleaner: Dry Type with Replaceable Element
  • Lube Oil Capacity: 2.5 L (0.66 U.S. gal)
  • Coolant Capacity: 2.8 L (0.74 U.S. gal)
  • Fuel Tank: Integral 37 U.S. Gallon Capacity (#2 Diesel Fuel)
  • Full Load Operating Time: 104 Hours
  • Starter: 12 Volt, .8 kW
  • Standard Features: Skid, SAE Flywheel, Murphy Safety Shutdown System Covering: Engine Oil Pressure, High Water Temperature
  • Optional Features: Auto-Oiler with Engine Oil Shutdown, Auto-Start, HANS (Holland Automatic Notification System), Full Instruments, Site or DOT Highway Trailer

Customer reviews

No reviews were found for Model W4R - KZ482 - Rotary Pump. Be the first to review!