Specifically designed for installation in international-style fire trucks, the compact, rear-mounted HL series pumps have built-in high-pressure relief valves. The HL300 has ratings from 3000 L/min. @ 10 bar (low pressure) to 400 L/min. @ 40 bar (high pressure).


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  • Available in mid-mount configuration
  • Optional round-the-pump foam system
  • Optional operator’s panel
  • Optional Storz fittings
  • Bronze/gunmetal construction available
  • Available with K Series gear-drive transmission
  • Available in clockwise or counterclockwise rotation (not available on bronze models)
  • 5-Year Limited Warranty
  • 245 lbs (111 kg)

Options and Accessories

  • The Waterous Round-the-Pump Foam Proportioner is an easy-to-use, compactly designed unit capable of retrofitting on any Waterous HL series pump. It has preset positions for 1%, 3%, or 6% proportioning, with foam pick-up connections for either an on-board tank or foam container, and provides foam to high and low pressure discharges.
  • Bronze (gunmetal) construction.
  • 5-Year Limited Warranty with Total Protection Package (TPP-5): The Total Protection Package is a comprehensive warranty that increases your standard warranty to include labor expenses to dismantle, remove and reinstall covered products or parts.


Dimensional Drawings Instructions Service Parts Lists Spec Sheets


Sales/Application/Service Help

Industry-leading sales and support.

When you purchase Waterous equipment, not only do you get quality products, you get quality service. Our expert service technicians are the best in the business and they are always happy to answer any service questions you might have. The numbers for our service and training specialists are listed below for your convenience. If you have a general service question please call our main number and our staff will kindly direct you to the appropriate department.

Sales/Applications Assistance

Phone: 651-450-5234 (Press 3)


Service Assistance
Phone: 651-450-5200
Fax: 800-488-1228