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HW4 Mighty Pump

At its Best Efficiency Point this pump is 55% efficient, which reduces energy costs compared to other pumps

Pump Features

  • High Head Water (HW) pumps are designed for high head jobs with very few solids
  • Variety of pump applications including sewage, liquids, sludge and liquids with solids up to 0.75 inch (19 mm) in diameter
  • Standard engine CAT C7 – 250 hp. Optional John Deere JD6068H – 251 hp
  • Stressproof™ stainless steel shaft with innovative Cycloseal® (Tungsten Carbide vs. Silicon Carbide) that extends seal life- often triple normal mechanical seals
  • Oil bath feeds the mechanical seal with cooler oil for continuous dry running
  • Industrial strength skid built with integral fuel tank. Also available with the steel construction industrial grade, off-road trailer mount
  • Capable of remote monitoring for live updates that include: pump’s global position, discharge pressure, engine data and maintenance log
  • Automatic Priming System sucks air and liquid at the same time. Primes and re-primes completely unattended
  • Priming system built with in-line ¼ turn isolation valve for flooded suction applications
  • At its Best Efficiency Point this pump is 55% efficient, which reduces energy costs compared to other pumps
  • Heavy duty, massive pump shafts, purposely built for industrial applications
  • Optional, Automatic start/stop feature for water level control
  • Optional, easily removable protective Quiet Container
  • Warranted by MightyPumps™, Cornell and CAT- 2 year, 2,000 hour warranty

Performance

Pump Type

Jet-Prime Pump

Model

HW4 Mighty Pump

Maximum Flow

813 US gpm (3,074 L/min)

Shutoff Head

707 ft (215 m)

Solids Handling

0.75 inch (19 mm) Diameter

BEP with 15' Lift

659 US gpm @ 630 ft & 2,200 rpm

Technical Specs

Engine

CAT C7 – 250 hp (John Deere 251 hp opt.)

Pump End

Cornell 3419MX

Mounting Type

Industrial Skid

Fuel Tank Capacity

99 US gal (375 L)

Fuel Consumption

11.8 US gal/hr

Approximate Run Time

8 hrs

Inlet Size (Suction)

4 inches 150 lb Flange

Outlet Size (Discharge)

4 inches 300 lb Flange

Maximum Operating Speed

2,200 rpm

Max Case Pressure

400 psi (2,758 kPa)

Max Liquid Temperature

180°F (82°C)

Optional Fuel Tank Capacity

250 US gal (946 L)

Optional Fuel Tank Capacity Run Time

21 hrs

Material Specifications

Volute

ASTM A536-72 Ductile Iron

Wear Rings

ASTM A48 Cast Iron

Backplate

ASTM A536-72 Ductile Iron

Impeller

CA6 Cast Steel

Frame

ASTM A48 Cast Iron

Trailer

N/A (Skid)

Shaft

17-4 PH Stainless Steel

Shaft Seal

Tungsten Carbide vs. Silicon Carbide

Engine Bracket

ASTM A48 Cast Iron

General Dimensions

Height

111 inches (2,819 mm)

Width

56 inches (1,422 mm)

Length

155 inches (3,937 mm)

Weight

9,933 lbs (4,505 kg)

Contact Us

Have questions or need a custom pumping solution? Our team is here to help! Whether you’re sizing for a project, troubleshooting equipment, or arranging delivery, just let us know.

Fill out the form or give us a call, and we’ll get back to you promptly.

Columbia Flow Systems is British Columbia’s trusted source for Mighty Pumps — offering sales, rentals, and expert support across every major industry. Whether you’re tackling construction, mining, municipal work, or agriculture, we provide reliable pumping solutions backed by responsive service and deep local knowledge.

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