Gas Powered Water Pump 4-Inch 422 GPM 8.3HP Cast Iron
Gas Powered Water Pump 4-Inch 422 GPM 8.3HP Cast Iron
Pro-Level Gas Powered Water Pump — 4-Inch | 422 GPM | 8.3 HP
Move massive volumes of water wherever you need it — no electrical outlet required. This heavy-duty gas powered water pump delivers an impressive 422 GPM flow rate through a 4-inch port, driven by a robust 8.3 HP engine. Whether you're managing large-scale farm irrigation, draining flooded areas, refilling pools, or handling emergency water transfer during power outages, this centrifugal pump is engineered to perform when it matters most.
Includes a 25 ft discharge hose so you can get to work right out of the box. The durable aluminum alloy pump body paired with a cast iron impeller ensures long-lasting reliability session after session. Frame-mount design keeps everything stable even during extended, high-demand operation.
Key Features
- Powerful 8.3 HP Engine: Delivers consistent, high-output water flow at up to 422 GPM — capable of handling large-area irrigation and heavy-duty pumping tasks without slowing down.
- 4-Inch (101.6 mm) Port Size: Wide-bore inlet and outlet move high volumes of water efficiently, dramatically reducing transfer time compared to smaller-diameter pumps.
- Electricity-Free Operation: Fuel-powered engine makes this pump ideal for remote farms, construction sites, rural properties, and emergency backup scenarios where grid power is unavailable.
- Superior Head Lift Capability: Engineered for elevated water transfer — perfect for hillside watering, draining low-lying areas, or pumping water uphill to storage tanks and fields.
- Cast Iron Impeller + Aluminum Alloy Body: Premium materials provide exceptional durability and corrosion resistance for repeated heavy-duty use.
- Heavy-Duty Frame Mount Design: Stable, robust frame keeps the pump securely positioned during operation, minimizing vibration and wear.
- Semi-Trash Capable: Handles water containing small solids and debris — suitable for ponds, ditches, flooded construction sites, and agricultural water sources.
- 25 ft Discharge Hose Included: Ready-to-use right out of the box for immediate water transfer applications.
- CE Certified: Meets relevant safety and performance standards for peace of mind.
Technical Specifications
| Max Flow Rate | 422 GPM |
| Max Horsepower | 8.3 HP |
| Port Size | 4 in / 101.6 mm |
| Power Source | Gas / Fuel Oil (Electricity-Free) |
| Engine Speed (No-Load) | 3,830 RPM |
| Engine Speed (Load) | 3,610 RPM |
| Structure | Centrifugal Pump |
| Pump Type | Frame Mount |
| Impeller Material | Cast Iron |
| Pump Body Material | Aluminum Alloy |
| Discharge Hose | 25 ft (Included) |
| Certification | CE |
| Country of Origin | Made in China |
Ideal Applications
- Large-scale farm and agricultural irrigation
- Pool draining and refilling
- Flood and drainage management
- Construction site water removal
- Pond, ditch, and tank water transfer
- Remote or off-grid property water supply
- Emergency water transfer during power outages
Important: Always operate this pump with a strainer filter screen installed to protect the impeller and ensure optimal, long-lasting performance.
For safe operation guidelines related to fuel-powered outdoor equipment, refer to the U.S. Consumer Product Safety Commission (CPSC) for general equipment safety recommendations.
Frequently Asked Questions
Q: What is the maximum flow rate of this gas powered water pump?
A: This 4-inch gas powered water pump delivers a maximum flow rate of 422 GPM (gallons per minute), making it well-suited for large-area irrigation, rapid pool draining, and high-volume water transfer tasks.
Q: Does this pump require electricity to operate?
A: No — this pump is entirely gas/fuel powered with no need for an electrical connection. This makes it an excellent choice for remote farms, rural properties, construction sites, and emergency use during power outages.
Q: What type of water can this pump handle?
A: This is a semi-trash capable centrifugal water pump, meaning it can handle water containing small solids and debris such as from ponds, ditches, and flooded areas. For best results and long-term durability, always use the pump with a strainer filter screen installed.
Q: Is a discharge hose included with the pump?
A: Yes, the pump comes with a 25 ft discharge hose included, so you can begin water transfer operations right away without needing to purchase additional accessories separately.
Q: What materials are used in the pump construction?
A: The pump body is constructed from aluminum alloy for a strong yet lightweight frame, while the impeller is made from cast iron for exceptional durability and resistance to wear during heavy-duty pumping operations.