MCP5515-3 Diaphragm Water Pump

3-inch Generac MCP5515-3 diaphragm pump with 1.5 HP motor, 65 GPM capacity, and cast aluminum build. Perfect for muddy, shallow, and jobsite dewatering.

3-Inch 1.5 HP Pump

The Generac MCP5515-3 Diaphragm Water Pump is built for demanding industrial and construction dewatering jobs. Delivering 65 GPM (246 LPM) through a 3-inch intake/discharge, this pump features a rugged 1.5 HP TEFC motor and cast aluminum construction to withstand heavy-duty use. Its ability to self-prime and run dry without damage ensures uninterrupted operation even in the toughest muddy or shallow conditions.

Key Benefits of the 3-Inch 1.5 HP Pump

  • 1.5 HP TEFC, three-phase motor engineered for reliability
  • Heavy-duty cast aluminum components for extended durability
  • Self-priming design capable of dry-run operation
  • High 65 GPM (246 LPM) flow rate for fast water removal
  • 3-inch intake/discharge for large-volume applications

Common Applications

  • Floodwater and trench dewatering
  • Construction site and foundation pumping
  • Agricultural and rural water management
  • Muddy pond and ditch clearing

Packaging & Durability

The Generac MCP5515-3 comes with skid-mount (S) or wheel-mount (W) configurations, giving contractors flexibility for transport and deployment. Its cast aluminum frame is designed to handle long-term wear in rugged environments without sacrificing performance.

Product Properties

Property Value
Motor 1.5 HP TEFC, Three-Phase
Intake/Discharge Size 3 in. (76.2 mm)
Max Flow Rate 65 GPM (246 LPM)
Max Head 50 ft (15.2 m)
Mount Options Skid-Mount (S) or Wheel Mount (W)
Pump Body Material Heavy-duty Cast Aluminum

For a smaller motor configuration, view the Generac MCP5515-1 Diaphragm Pump. Learn more about Generac solutions at Generac.com.

Technical Documents