Generac Magnum MCP 5537 3" Gas-powered

Double tap to zoom



Reliable, Easy to Use, Wear Resistant

The MCP 5537 diaphragm pump is built for solid performance; reliable Honda engine, aluminum pump construction, standard Thermal Plastic Elastomer and up to 85 gallons per minute pumping capacity. 

The MCP 5537 diaphragm pump is wear resistant and easy to use with a simple/low maintenance design which can run dry indefinitely without damage and automatically re-primes when seepage reappears. 

Ideal for low volume/head conditions such as seepage dewatering and sandy, muddy or sludgy waters of shallow construction areas, trenches and excavation sites. Dependable performance for pumping industrial waste, marine tanks and cleaning septic systems.


  • 3" suction/discharge
  • Five(5) diaphragm material options depending on application
  • Skid or wheel mounted for easy manueverability
  • Excellent performance in shallow, high solid conditions
  • Auto priming intermittent pumping
  • Limitless dry run without damage
  • Simple design/low maintenance
  • Large opening flap valves
  • Self cleaning water flow
  • Durable cast aluminum parts
  • Enclosed gears in oil bath


Pump Set (Engine/Pump)  
Max. Pump Output gpm (Lpm) 85 (322)
Max. Pump Output gph (Lph) 5100 (19,306)
Total Dynamic Head ft (m) N/A
Max. Discharge Head ft (m) 25 (8)
Max. Diameter of Solids in (mm) Up to 1.7" spherical
Max. Lift Suction ft (m) 25 (8)
Make/Brand CH&E 5537 Aluminum
Fitting Size 3" NPT
Impeller Type N/A
Impeller Material N/A
Volute Casing Material N/A
Seal N/A
Shaft Material N/A
Brand Honda
Model GX120
Type Gasoline-powered
Engine Power - Continuous hp (kW) 4.0 (2.9)
Operating Speed rpm 3600
Starter Recoil
Fuel Tank gal (L) 0.66 (2.5)
Approximate Run Time hrs  
Size and Weight  
Trailer Mounted - L x W x H in (m) N/A
Wheel Mounted - L x W x H in (m) 40 x 30 x 24
   (1.02 x 0.74 x 0.61)
Dry Weight lbs (kg) 130 (58.97)
Number of Axles N/A
Hitch N/A