
Equipped with a 10 HP HR186FA air-cooled diesel engine, this unit ensures high flow rate and self-priming capability. It's ideal for irrigation and other water pumping needs.
♦ Available in 2-inch, 3-inch, and 4-inch models, choose the one that fits your requirements perfectly!
♦ Optional recoil or electric start systems ensure easy and reliable starting.
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WATER PUMP | Model | DP40 | |
Suction, discharge port diameter[mm(in)] | 100(4') | ||
Cont. head(m) | 31 | ||
Self-priming time(s/4m) | 180 | ||
Max suction head(m) | 8 | ||
Cont. capacity(m³/hr) | 96 | ||
ENGINE | Engine model | HR186F | |
Speed(rpm) | 3600 | ||
Fuel consumption(g/kw.h) | 285 | ||
Type | Single-cylinder, vertical, 4-stroke air-cooled diesel engine | ||
Displacement(cc) |
 406 | ||
Bore*stroke(mm) |
 86*70 | ||
Starting system |
Recoil or Electric | ||
Fuel tank capacity(L) | 5.5 | ||
STANDARD FEATURES | Oil alert | yes | |
Connector of infall, Connector of outfall | yes | ||
Filter | yes | ||
Seal ring | yes | ||
Hoop | yes | ||
DIMENSIONS | Dimension(L× W× H)(mm) | 645×475×605 | |
Net weight(kg) | 69 | ||
20FT | 99 |
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Step 1: Preparation Before Working
- Place the machine on level ground and fill it with diesel or oil.
- Add 0# (or higher) diesel fuel.
- Open the black lid and add 2-5 liters. Do not run the pump dry.
Step 2: Adjust the Switch
- Set the switch to the center (or lower) position and tighten it (or adjust to maximum).
Step 3: Discharge Air in the Tube
- Air may be present in the tube due to initial use. You need to release the air from the tube.
Step 4: Pressure Reducing Valve
- Press the pressure valve down by hand (make sure to hold the pull plate).
- Gently pull the plate four times and wait for the oil to come out. Then re-tighten the connector.
Step 5: Pull the Plate
- (Do not press the valve with your fingers.) Gently pull the plate once (the valve will pop up automatically), then put the wire back.
- Re-press the valve and hold the machine bracket. Hold the pull line with both hands and pull it.
Step 6: Close the Machine
- Adjust the switch to the minimum position to turn off the machine.


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♦ We are a professional manufacturer of air-cooled diesel engines (3-20HP), diesel water pumps (1.5-6 inch), and small construction machinery.
♦ Modern and beautiful factory located in Chongqing. Welcome all customers from around the world to visit us!
♦ ISO, CE, GS, ROHS certifications available for global customers.
Factory:
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Guangzhou Baiyin Co.,Ltd , https://www.printerfinisher.com