Fire Pumps

WATERAX offers a complete line of high performance portable centrifugal pumps.
Fire Pumps / MARK-3® Watson Edition High-Pressure Fire Pump

MARK-3® Watson Edition High-Pressure Fire Pump

The MARK-3® Watson Edition Pump has been officially qualified after being tested in accordance with the USDA Forest Service Specification 5100-274E. The pump has passed the requirements of 5100-274E and the 100-hour endurance test in San Dimas, and is therefore qualified as of 08/04/23.

The assigned primary pump code is C-45-150/50. Alternate codings are C-45-175/40 and C-45-200/40. These pump codes will be indicated on the qualified products list (QPL).

NSN Numbers Now Available:

  • NSN 4320-01-723-2109: PUMP UNIT, CENTRIFUGAL, NFES-0147 (Pump only)
  • NSN 4320-01-723-2106: PUMP UNIT, CENTRIFUGAL, NFES-0600 (Pump with accessory kit)
  • NSN 4240-01-723-2111: HARNESS, WATER PUMP, NFES-0314

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:

Mobility

Unit is 30% lighter and 20% smaller.

  • Integrated carriage system
  • Easy loading / unloading
  • Option to backpack engine side up or down
  • Integrated carry handle

Safety

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

User-friendliness

Smart, intuitive and easy to use.

  • LED visual interface
  • Engine operating status
  • Troubleshooting function
  • High temperature protection

Ease of start

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

Applications

  • 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

  • Unit 30% lighter and 20% smaller reduces transport-related injuries
  • Smart, intuitive and easy to use LED visual provides engine operating status and troubleshooting function
  • 50% less force required for easier pull start and foothold improves steadiness
  • Anti-flooding feature significantly reduces risk of flooding engine
  • New feature: Bluetooth connectivity, enabling real-time monitoring via a mobile app with a dashboard interface

Introducing the MyWATERAX Pump Dashboard Mobile App – your ultimate tool for real-time pump monitoring!

Stay in control of your MARK-3® Watson Edition with seamless Bluetooth® connectivity. The MyWATERAX app provides live performance insights, engine speed, temperature, and runtime—helping you optimize your pump’s efficiency when it matters most.

Key Features:

  • Real-time data for tracking engine performance
  • Connection history log for better operational insights
  • User-friendly interface for quick access to critical data
  • Geolocation capabilities to log pump locations and optimize fleet management

The app works on both phone and tablet, ensuring you’re always ready to tackle the next challenge.

Download now and take control of your pump in the field!

View MK3-W