Gasoline Self Priming Water Pump
We provide multiple caliber models ranging from 1 inch to 6 inch, covering household gardening, agricultural planting, construction engineering, flood prevention and emergency drainage scenarios. It is the preferred pumping equipment for field operations without power grid and emergency water drainage after power outages or flood disasters.
Core Product Features
1.Independent Off-Grid Power Design
Equipped with an air-cooled gasoline engine, no power cables or sockets are required. The pump can work normally in mountainous areas, farmlands and flooded zones with power failures, completely free from power supply restrictions.
2. Fast Self-Priming Structure
Designed with centrifugal self-priming pump chamber. After filling priming water for the first time, the pump can continuously suck water with a maximum suction lift of 8 meters. No repeated water filling is needed, and water can be discharged quickly within minutes.
3. Lightweight Metal Body
The pump body is made of integrally die-cast aluminum alloy, featuring rust resistance, fast heat dissipation and light weight. The frame is welded with thickened steel pipes and fitted with shock-absorbing rubber foot pads, which is resistant to falling and bumping during transportation.
4. Safety Protected Gasoline Engine
4-stroke power unit with automatic flameout protection for low engine oil level to avoid cylinder pulling and engine scrapping. Separate fuel and oil tanks are adopted, so there is no need to mix gasoline with engine oil in a specific ratio.
5. Two Optional Starting Methods
Standard equipped with recoil pull start; large-caliber models support one-button electric start, which realizes high ignition success rate in low temperature and humid environments for effortless startup.
6. Sealed Wear-Resistant Pump Core
Hard alloy mechanical sealing impeller effectively prevents liquid leakage when pumping slightly silt-laden sewage. The corrosion-resistant impeller is compatible with both clean water and slightly muddy water.
7. Portable Mobile Structure
inch and 2-inch small pumps are designed with hand-held structure for single-person transportation; models above 3 inches are fitted with folding handrails and universal casters, easy for two workers to transfer and access narrow construction spaces.
8. Low Noise & Stable Operation
Built-in silent muffler greatly reduces vibration and running noise. Compared with 2-stroke water pumps, vibration and noise are reduced by 30%, supporting intermittent long-hour continuous operation.
Core Product Advantages
Gasoline Pump vs Electric Water Pump
Free from cable restrictions, widely used in wild terraced fields and power-off flooded areas with no risk of electric leakage.
Larger flow rate and higher head than electric pumps at the same price, ensuring stable water delivery for deep wells and high-altitude sites.
The only available pumping equipment for emergency rescue and flood drainage during power outages.
Gasoline Pump vs Diesel Water Pump
40% lighter overall weight, easy for single-person carrying and flexible site transfer.
30% lower purchase cost, lowering the investment threshold for small farmers and household users.
Easy startup and low running noise, avoiding noise disturbance in courtyards and orchards.
Gasoline is easy to purchase from gas stations and village convenience stores in all regions.
Stroke Gasoline Pump vs Traditional 2-Stroke Gasoline Pump
Separate filling for gasoline and engine oil without complicated fuel mixing steps, much easier to operate.
Lower fuel consumption and less exhaust emission, supporting continuous operation for 4 to 6 hours per tank of fuel.
Built-in low oil protection system greatly reduces failure rate and doubles the whole service life.
Less running vibration to relieve fatigue during long-time continuous work.
General Practical Advantages
Multi-scene application: fully applicable for farm irrigation, pond water exchange, flood drainage, site cleaning and emergency water supply.
Simple daily maintenance: filter element and engine oil replacement accessories are universally available at local agricultural machinery stores.
Strong environmental adaptability: works stably in mountainous regions, river beaches, construction sites, fish ponds and basements.
Complete standard accessories: inlet & outlet hoses, filter foot valve, sealing gaskets and tool kits are all delivered with each unit.
Standard Technical Parameters of Mainstream Models (4-Stroke Clean Water Pump Series)
|
Specification Model |
1 Inch Handheld Model |
2 Inch Agricultural Model |
3 Inch Main Irrigation Model |
4 Inch High Flow Model |
6 Inch Flood Control Drainage Model |
|
Inlet & Outlet Diameter |
25mm (1 Inch) |
50mm (2 Inch) |
80mm (3 Inch) |
100mm (4 Inch) |
150mm (6 Inch) |
|
Engine Power |
2.2 HP |
3.8 HP |
6.5 HP |
9 HP |
15 HP |
|
Max Suction Lift |
8m |
8m |
8m |
8m |
7m |
|
Max Head |
22m |
30m |
35m |
32m |
28m |
|
Rated Flow Rate |
8m³/h |
33m³/h |
52m³/h |
85m³/h |
168m³/h |
|
Fuel Type |
92# Unleaded Gasoline |
92# Unleaded Gasoline |
92# Unleaded Gasoline |
92# Unleaded Gasoline |
92# Unleaded Gasoline |
|
Engine Oil Specification |
Special 4-Stroke Engine Oil |
Special 4-Stroke Engine Oil |
Special 4-Stroke Engine Oil |
Special 4-Stroke Engine Oil |
Special 4-Stroke Engine Oil |
|
Continuous Working Time |
3h |
4h |
5h |
5h |
4h |
|
Net Weight |
8kg |
16kg |
28kg |
42kg |
60kg |
|
Starting Mode |
Recoil Pull Start |
Recoil Pull / Electric Start Optional |
Recoil Pull / Electric Start Optional |
Recoil Pull / Electric Start Optional |
Recoil Pull / Electric Start Optional |
|
Applicable Water Quality |
Clean Water & Slightly Muddy Water |
Clean Water & Slightly Muddy Water |
Clean Water & Slightly Muddy Water |
Clean Water & Slightly Muddy Water |
River Flood Water & Muddy Flood Water |
Full-Range Application Scenarios
Agricultural Irrigation (Most Widely Used)
- Drought-resistant water supply for mountain terraced fields, orchards, vegetable greenhouses and small farmlands.
- Water exchange and water level adjustment for fish ponds and shrimp breeding pools.
- Sprinkler water supply for seedling bases and landscape greening projects.
Flood Control & Emergency Drainage
- Water pumping for basements, underground parking lots and low-lying roads after seasonal heavy rain.
- Flood drainage for villages, river overflow areas and post-typhoon emergency rescue.
- Temporary water supply for fire fighting and rapid water cleaning for foundation pits and trenches on construction sites.
Engineering Construction Applications
- Foundation pit water pumping and light mud drainage on building construction sites.
- Temporary water supply for road and bridge construction projects.
- Off-grid temporary water supply for mining sites and wild construction projects.
Household & Courtyard Use
- Well water extraction and water storage tank refilling for rural self-built houses.
- Courtyard car washing, ground cleaning and greenhouse watering.
- Water circulation for villa garden landscapes and ornamental fish ponds.
Other Commercial Scenarios
- Light sewage drainage for farms and drinking water supply for livestock breeding.
- Water cleaning for warehouses and dock flood disposal.
- Temporary water intake for outdoor construction and wild camping activities.
Frequently Asked Customer Questions
Model Selection Questions
Q: Which pump caliber should I choose for mountain terraces with a vertical height difference of 20 meters?
A: For a 20-meter height difference, 2-inch or 3-inch models are preferred, with a maximum head of 30-35 meters to ensure stable water delivery on slopes. Choose the 3-inch model directly for large-area orchards.
Q: Which model works best for fast drainage of a water-logged basement?
A: Select 4-inch or 6-inch high-flow pumps for large-area ponding, which can pump 80 to 160 cubic meters of water per hour with the highest drainage efficiency.
Q: Which pump fits home vegetable gardens and small fish ponds?
A: 1-inch or 1.5-inch handheld pumps are lightweight and easy to store, portable for single-person carrying and fully meet the water demand of small-area irrigation.
Operation & Usage Questions
Q: Do I need to connect power cords? Can it work during power outages?
A: No power cord connection is required at all. Driven purely by gasoline, the pump works normally in power-off or off-grid wild environments.
Q: Do I need to mix gasoline and engine oil before refueling?
A: All our pumps are 4-stroke units with separate gasoline and engine oil filling ports, no fuel mixing operation required. Only old 2-stroke pumps need mixed fuel.
Q: Why the pump fails to suck up water?
A: There are 4 common causes: ① The pump chamber is not fully filled with priming water; ② Air leakage occurs on the inlet pipeline; ③ The filter foot valve is blocked by sediment; ④ The actual suction depth exceeds the 8-meter maximum suction lift.
Q: Can this pump transfer muddy water with sediment?
A: The standard clean water pump can only handle slightly muddy water. If you need to pump sewage or mud for a long time, we recommend choosing the optional sewage impeller version to avoid rapid impeller abrasion.
Fuel Consumption & Working Duration Questions
Q: How long can the pump run continuously with one full fuel tank?
A: The 2-inch model runs for around 4 hours continuously per tank, the 3-inch model for 5 hours, and the 6-inch high-flow model for about 4 hours. Users can refuel midway for non-stop operation.
Q: What is the hourly gasoline consumption?
A: The 2-inch pump consumes about 0.8L gasoline per hour, the 3-inch model around 1.2L/h, and the 6-inch model roughly 1.8L/h, with moderate fuel consumption suitable for intermittent field operation.
Maintenance & Service Life Questions
Q: How often should I replace the engine oil?
A: For new pumps, replace engine oil after the first 8 hours of operation, then change the oil every 20 working hours. With regular maintenance, the pump can serve for 5 to 10 years.
Q: How to store the pump when not used in winter?
A: Drain all water and fuel inside the pump body and engine completely, store the unit in a dry indoor room, and start the engine for 5 minutes every month for maintenance.
Comparative Selection Questions
Q: How to choose between gasoline and diesel water pumps?
A: Gasoline pumps are lightweight and cost-effective for short-term mobile use in home gardens and orchards. Diesel pumps feature lower fuel consumption and stronger power for 24-hour non-stop flood drainage and large-scale farm irrigation.
Q: Which one is better, electric start or pull start?
A: Pull start is cost-effective for occasional short-term use. Electric start is more suitable for low-temperature winter environments, elderly operators and frequent emergency rescue tasks with convenient one-button ignition.
Safety Precautions Questions
Q: Can the pump be used in enclosed basements?
A: Never run the pump in confined narrow spaces. The gasoline engine will produce exhaust gas, so sufficient ventilation must be guaranteed to prevent carbon monoxide poisoning.
Q: Should I shut down the engine before refueling?
A: You must turn off the engine completely before refueling. High-temperature engine parts may ignite gasoline and cause fire hazards; never refuel while the pump is running.
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