Liberty Pumps LE74M3-2 3/4 HP Manual Sewage Pump, 440V ~ 480V, 25" cord

Discontinued Liberty Pumps LE74M3-2 3/4 HP Manual Sewage Pump, 440V ~ 480V, 25" cord

The Liberty Pump LE74M3-2 is a 3-phase manual submersible sewage pump with 3/4HP, 440-480V motor and a 25' quick-disconnect power cord. This Liberty sewage pump also has a 2" FNPT flanged discharge and a shut-off head of 28'. The Liberty LE74M3-2 is intended to be run using an approved liquid level control or approved motor control with correct rating that matches motor input in full load amperes. Be sure that when the Liberty sewage pump shuts off, at least 6" of fluid is left in the basin so the impeller remains submerged. Separate approved pump control device or panel is requires for automatic operation.


The Liberty Pump LE74M3-2 manual submersible sewage pump features rugged 2-vane, semi-open impellers that allow handling of 2" solids. The heavy-duty built Liberty Pumps LE74M3-2 sewage pumps are ideal for residential and light commercial sewage applications. 3-Phase Liberty Pumps require panel for automatic operation. See sewage accessories literature for complete information on all simplex and duplex controls. Check three phase pumps for proper rotation prior to installing pump(s) in basin. To change rotation, reverse any two of the three power leads to the pump.


  • Rugged 2 vane, semi-open cast iron impellers;
  • Cast iron housings and volute with all stainless and brass fasteners;
  • 416 stainless steel rotor shaft;
  • Oil-filled, hermetically sealed motors;
  • Built-in thermal protection on single phase models;
  • Permanently lubricated upper and lower ball bearings;
  • Unitized shaft seals;
  • Single float mechanical level control with series plug for manual bypass operation-standard on single-phase automatic models;
  • Adjustable pumping range;
  • Quick-disconnect 25' standard power cord allows replacement of cord in seconds without breaking seals to motor;

Technical Specifications:

  • Horsepower: 3/4HP;
  • Cord length: 25';
  • Discharge: 3" FNPT Flanged;
  • Solids Handling: up to 2";
  • Shut-off Head: 28';
  • Voltage: 440-480V;
  • Amps: 2.1;
  • Hertz: 60 Hz;
  • Phase: 3;
  • RPM: 1725;
  • Maximum fluid temperature: 140°F;
  • Height: 14.1";
  • Width: 12.25";
  • Weight: 60 lbs.;
  • Minimum basin diameter: 18";
  • Minimum basin depth: 24";
Product Specs
Cord Length: 25'
Discharge: 3" FNPT
Flow at 5 FT Head: 150 GPM
Horse Power: 3/4
Shutoff Head (ft.): 28
Type1 Manual
Voltage 480v

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  • Liberty Pumps LE74M3-2 3/4 HP Manual Sewage Pump, 440V ~ 480V, 25" cord QR Code
  • Model: LE74M3-2
  • MPN: LE74M3-2
  • Availability: Discontinued
  • $ 1 171.50


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Tags: LE74M3-2, Liberty Pumps LE74M3-2, SEWAGE PUMP