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.




