Fire Pumps

WATERAX offers a complete line of high performance portable centrifugal pumps.

MARK-3® Watson Edition

A Modern Pump for the Modern Firefighter

Maintaining the tradition while moving technology forward: the MARK-3® Watson Edition plugs right into your existing MARK-3® water-moving systems. It will set a new benchmark of excellence for high-pressure fire pumps in the wildland firefighting community for generations to come.

While preserving the iconic look of the classic MARK-3® pump*, the all-new MARK-3® Watson Edition is an entirely new platform that boasts exciting modernized features including the first ever purpose-built engine for a wildland pump.

The MARK-3® Watson Edition greatly improves user experience in the following areas:

Unit is 30% lighter and 20% smaller.
Integrated carriage system
Easy loading / unloading
Option to backpack engine side up or down
Integrated carry handle
Pump design and features to improve firefighter safety.
Ergonomic carriage system reduces the risk of back injuries
Padded straps protect shoulders and back from bruising
Muffler heat shield protects against severe burns
Lighter pump reduces incidence and severity of slips, trips, falls and transport-related injuries
Smart, intuitive and easy to use.
LED visual interface
Engine operating status
Troubleshooting function
Integrated hour meter and tachometer
High temperature protection
Starting a MARK-3® pump has never been this easy!
Less force required for easier pull start
Foothold for improved steadiness
Engine warm-up indicator
Anti-flooding feature reduces risk of flooding engine


  • Direct attack wildfire operations
  • Relay tank pumping for remote watering during firefighting operations
  • High-elevation firefighting in mountainous areas
  • In series pumping over long distances
  • Parallel pumping for higher volumes

Features and benefits

  • Quick-release clamp and detachable pump end for minimal equipment downtime
  • Unique blister resistant mechanical rotary seal to prolong pump end longevity
  • Sealed bearing to eliminate pump end greasing in the field
  • Aluminum alloy pump components and anodized parts for lighter weight and greater resistance to corrosion
View MK3-W
View MK3-WU