WATERAX MARK-3 Watson Edition High Pressure Portable Pump
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.
This portable pump has been officially qualified in accordance with USDA Forest Service Specification (FSS) 5100 274E. This qualification assures that the product has met the rigorous standards set forth in the specification.
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
- Weighs 44 lbs. (20 kg.)
- Backpackable frame
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
Performance
- 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)
Engine
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
Performance
MAXIMUM PRESSURE | 380 PSI (26.2 BAR)
MAXIMUM FLOW | 100 US gal./min. (379 L. / min.)
MAXIMUM HEAD | 877 ft. (267 m.)
Pump End
TYPE | Detachable 4-Stage Centrifugal Pump
INTAKE | 2 in. Male NPSH
DISCHARGE | 1.5 in. Male NPSH
Other Specifications
THREAD PROTECTOR SUCTION | Suction: 2 in. NPSH (Standard)
THREAD PROTECTOR DISCHARGE | Discharge: .25 Turn Forged w/ cap (Standard)
FUEL CONNECTOR | SAE 45 (Standard) & Mercury
This item has a $75 shipping surcharge.
Check out our selection of WATERAX Mark-3 replacement parts and tools:
- WATERAX R-900 Tool Kit for Mark-3 Pump
- WATERAX A-6149P MARK-3 Mounting Leg, Plated
- WATERAX PART-205 MARK-3 Spark Arrestor
- WATERAX R-1050 MARK-3 Carburetor Repair Kit
- WATERAX Offset Screwdriver Flat MARK-3 Carb Adjustment
- WATERAX R-229 Muffler for MARK-3
- WATERAX R-136 Pump Mounting Flange for MARK-3, ALU
- WATERAX MARK-3 Watson Coupling Belt
- WATERAX A-7646 Muffler Heat Shield for MARK-3
- WATERAX R794 Air Filter Cover for MARK-3
- WATERAX Ember Separator for MARK-3
- WATERAX R-799 Bracket for MARK-3
- WATERAX R-1044 Lock Plate for MARK-3
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