3 inch self-priming pump
Diesel self-priming pump unit is a kind of efficient drainage equipment specially designed for flood disaster, which combines the power advantages of diesel engine and the efficient transport performance of self-priming pump. Such units usually consist of the following key components:
1. Diesel engine: as a power source, provide stable mechanical energy to drive the pump. The engine usually has high power and torque to meet the needs of large flow drainage.
2. Self-priming pump: The pump part adopts centrifugal pump or other types of pump, with self-priming function, which can be quickly started and quickly extracted water without prior water injection.
3. Water suction pipe: including water suction port, filter screen and connecting pipe, to ensure that the pump can smoothly inhale water, while filtering out debris that may enter the pump.
4. Drainpipe: Connect the water pump outlet and drainage point. The drainpipe is designed to adjust the length and Angle to adapt to different drainage scenarios.
5. Control system: including starter, control panel and protection device, used to monitor the operating status of the unit to ensure safe operation and reliable equipment.
6. Bracket and frame: used to fix the components of the unit, ensure the stability of the unit during operation, and facilitate movement and positioning.
The advantages of diesel self-priming pump units are:
model |
YL-178-80 |
Supporting power |
Diesel air cooled four-stroke |
power |
6.5 HP |
rotate speed |
2200rpm |
start method |
/Manual stelectric start |
connection type |
Belt connection |
Inlet and outlet aperture |
3 inches |
Suction stroke |
6m |
lift |
20m |
flow |
80m³/h |






- Regular inspection and maintenance: including checking the sealing performance of the fuel system, ignition system, lubrication system and pump part to ensure the normal operation of the pump.
- Fuel and oil selection: Use recommended fuel and oil brands to avoid engine damage caused by poor fuel quality.
- Environmental protection: In the process of use, measures should be taken to reduce noise pollution and exhaust emissions, in line with environmental requirements.
Operation training: Operators should receive professional training to understand the working principle of the pump, operating procedures and safety precautions.
In summary, the air-cooled diesel engine self-priming pump directly connected pump unit with its unique advantages plays an important role in a variety of temporary or mobile drainage scenarios. Through reasonable use and maintenance, it can give full play to its performance and meet the drainage needs under different working conditions.






Q: What are your packing conditions?
A: Generally wooden cartons, according to customer requirements.
Q: What are your terms of payment?
A: Payment by wire transfer.
Q: What's your delivery time?
A: Generally, it takes 7-30 days after receiving your payment. The exact delivery time depends on the items you order and the quantity.
Q: Can you produce to sample?
A: Yes, we can produce according to the sample confirmed by the customer.
Q: Do you test all goods before delivery?
A: Yes, we have 100% testing before shipping.