- 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
Products
WATERAX offers a complete line of high performance portable centrifugal pumps.MARK-3® Watson Edition Portable High-Pressure Fire Pump
100137
MARK-3® Watson Edition Portable High-Pressure Fire Pump
100137
The MK3-W model includes the SAE 45 fuel connector and the Mercury adaptor.
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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:
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!
Maximum pressure
380 PSI (26.2 BAR)
Maximum flow
100 US gals/min (379 L/min)
Maximum head
877’ (267 m)
80 GPM (303 lpm) @ 100 PSI (6.9 BAR)
70 GPM (265 lpm) @ 150 PSI (10.3 BAR)
40GPM (151 lpm) @ 250 PSI (17.2 BAR)
Model and type
WATERAX 140cc, 2-cycle, air-cooled, Nikasil cylinder
Maximum Power
10.7 hp (8 kW) @ 8,000 RPM
Maximum Torque
7.6 lb-ft (10 Nm) @ 7,050 RPM
Starting System
Recoil starter with backup manual rope starter
Type
Detachable 4-Stage Centrifugal Pump
Intake
2” Male NPSH
Discharge
1-1/2” Male NPSH
44 lbs (20kg)
Backpackable Frame
Direct Drive
Thread Protector Suction
Suction: 2" NPSH (Standard)
Thread Protector Discharge
Discharge: 1/4-Turn Forged w/ cap (Standard)
Fuel Connector
SAE 45 (Standard) & Mercury
Related videos
Introducing the New MARK-3® Watson Edition Pump – Europe
How to - MARK-3 Watson Edition Modern User Interface Module (UIM)
How-to MARK-3® Watson Edition Pump Innovative Quick Release Clamp
How to – Starting the Engine on the MARK-3® Watson Edition Pump
How-to | MARK-3 Watson Edition Pump Padded Shoulder Straps
Updated tech for fighting wildfires
How-to MARK-3 Watson Edition Quick-Release Clamp Pump End
MARK-3 Watson Edition Fire Pump Quick Release Clamp How-to Video - Part 2
How-to - MARK-3 Watson Edition Pump Padded Shoulder Straps
Starting up the MARK-3 Watson Edition with User Interface and Engine Warm Up Indicator
125 Years of Moving Water - WATERAX Portable Fire Pumps
WATERAX Pumps - Innovating for Wildland Firefighters
The Next Generation MARK-3® Pump
Introducing the new MARK-3® High-Pressure Fire Pump | A Modern Pump for the Modern Firefighter
Setting up the Pump - Wildland Pump Operations - MARK-3® Watson Edition
Finding the Right Pump Site & Tools - Wildland Pump Operations - MARK-3® Watson Edition
Troubleshooting - Wildland Pump Operations - MARK-3® Watson Edition
Wildland Pump Operations - MARK-3® Watson Edition
Pump Layouts - Wildland Pump Operations - MARK-3® Watson Edition
Starting the Pump - Wildland Pump Operations - MARK-3® Watson Edition
New Features - Wildland Pump Operations - MARK-3® Watson Edition
Shutting Down the Pump - Wildland Pump Operations - MARK-3® Watson Edition
Behind the scenes at WATERAX: MARK-3® Watson Edition