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

User-friendliness

Smart, intuitive and easy to use.

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

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
One-Piece Composite Base Frame
Lightweight composite construction
Vibration and shock dampening
Integrated carriage system for easy loading/unloading
Backpackable (engine side up or down)
Foothold for steady pull start
Extended durability

Performance

• 80 GPM (303 L/min) @ 100 PSI (6.9 bar)
• 70 GPM (265 L/min) @ 150 PSI (10.3 bar)
• 40 GPM (151 L/min) @ 200 PSI (13.8 bar)

Connections & Dimensions

• Intake: 2" Male NPSH
• Discharge: 1.5" Male NPSH
• Weight: 42 lbs
• Dimensions: 21.6" L × 12" W × 14" H
• Max Pressure: 380 PSI
• Max Head: 877 ft
• Max Flow: 100 US GPM
• Telematics / App Features
• Real-time engine performance data
• Connection history log
• User interface for rapid access to operational data
• Geolocation to log pump locations and support fleet management
• Mobile app works on phone and tablet

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