Darley HE12.5SB Floating Water Pump (23400 GPH, 12.5 HP, Briggs Engine)

Description

Darley HE12.5SB Floating Water Pump (23,400 GPH, 12.5 HP, Briggs Engine)

The W.S. Darley & Co. HE12.5SB Floating Water Pump is a high-capacity portable pumping solution designed for firefighting, irrigation, flood control, water transfer, and emergency response operations. Featuring a rugged floating platform and a powerful 12.5 HP Briggs & Stratton gasoline engine, this pump operates directly on the water surface, eliminating the need for suction hoses and complex priming procedures.

Capable of delivering up to 23,400 gallons per hour (390 GPM), the HE12.5SB provides reliable high-volume water movement from lakes, ponds, rivers, reservoirs, and other natural water sources. Its lightweight floating design allows rapid deployment in remote locations, making it an ideal choice for fire departments, forestry crews, disaster response teams, agricultural operations, and industrial water transfer applications.

Built for durability and dependable performance, the pump features corrosion-resistant components, heavy-duty construction, and efficient hydraulic performance for continuous operation in demanding environments.

Key Features

• Delivers up to 23,400 GPH (390 GPM) water flow
• Powerful 12.5 HP Briggs & Stratton gasoline engine
• Floating design eliminates suction hose limitations
• Rapid deployment for emergency situations
• Ideal for drafting water from natural sources
• Heavy-duty centrifugal pump construction
• Excellent for wildfire and rural firefighting operations
• Portable design for remote area access
• Durable corrosion-resistant components
• Reliable performance in demanding field conditions
• Minimal setup time compared to conventional pumps

Applications

• Fire department water supply operations
• Wildland and forest firefighting
• Rural firefighting support
• Agricultural irrigation
• Pond and lake water transfer
• Flood control and dewatering
• Emergency disaster response
• Industrial water transfer
• Reservoir management
• Construction site water pumping

Darley HE12.5SB Floating Water Pump (23400 GPH, 12.5 HP, Briggs Engine): Buying Considerations

The Darley HE12.5SB Floating Water Pump features a 12.5 HP Briggs & Stratton engine and delivers up to 23,400 GPH (390 GPM). Designed for firefighting, irrigation, flood control, and emergency water transfer, its floating design enables fast deployment directly on lakes, rivers, and ponds.

Before ordering the Darley HE12.5SB Floating Water Pump (23400 GPH, 12.5 HP, Briggs Engine) from Darley, review the points below against your actual site conditions and workload. Published specifications describe the equipment under test conditions, and real-world performance depends on how closely your application matches those conditions. Buyers in the United States, Canada, and Asia should also confirm local voltage and frequency requirements, applicable safety or emissions standards, and freight or import logistics for the destination before finalizing an order.

What to Check Before You Buy

• Define required flow and total dynamic head at the discharge point – engine-driven pumps are commonly undersized when only flow rate is considered.
• Check suction lift, priming method, and maximum solids size the pump can handle without clogging.
• Verify fuel type and runtime requirements match the application, especially for extended dewatering or irrigation jobs.
• Confirm hose/fitting size matches the pump's rated port size to avoid unnecessary friction loss.

How much reserve capacity should an engine-driven pump have over the calculated requirement?

A reasonable margin accounts for pipe friction losses, fitting losses, and any future demand growth – undersizing based purely on a theoretical flow calculation without real-world losses is a common reason pumps underperform once installed.

For sizing help across the full Engine Driven Pumps category, compare specifications side by side before committing to a specific model, and confirm current pricing, availability, and freight details for your location. Keep the supplier data sheet and any acceptance criteria on record for future maintenance and replacement decisions.