• Powerful
  • Reliable
  • Efficient
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DT12 Mighty Pump

Pump Features

  • Dewatering Trash (DT) Pumps move large volumes of water
  • Variety of pump applications including sewage, liquids, sludge and liquids with solids up to 4 inches (102 mm) in diameter
  • Standard engine CAT C7–250 hp, also available in John Deere JD6068H- 225 hp
  • Stressproof™ stainless steel shaft with innovative Cycloseal® (Tungsten Carbide vs. Silicon Carbide) that extendsseal 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 steel construction industrial grade, off-roadtrailer mount
  • Capable of remote monitoring for live updates that include: pump’s global position, discharge pressure, enginedata 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 79% 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/John Deere – 2 year, 2,000 hour warranty

Performance

Pump Type

Jet-Prime Pump

Model

DT12 Mighty Pump

Maximum Flow

6,100 US gpm (23,091 L/min)

Shutoff Head

203 ft (62 m)

Solids Handling

4 inches (102 mm) Diameter

BEP with 15' Lift

4,200 US gpm @ 124 ft & 1,500 rpm

Technical Specs

Engine

CAT C7 – 250 hp (John Deere 225 hp opt.)

Pump End

Cornell 12NNT

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)

12 inches 150 lb Flange

Outlet Size (Discharge)

12 inches 150 lb Flange

Maximum Operating Speed

1,800 rpm

Max Case Pressure

175 psi (1,206 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 A48 Cast Iron

Wear Rings

ASTM A48 Cast Iron

Backplate

ASTM A536-72 Ductile Iron

Impeller

ASTM A48 Cast Iron

Frame

ASTM A48 Cast Iron

Trailer

N/A (Skid)

Shaft

Stress Proof SAE 1144 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

8,300 lbs (3,765 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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