The 4SD3/40 4HP Doyin electric submersible pump price in Kenya is KSh 45,000. With 4HP power, a 287m maximum head, and up to 4,800 liters per hour, this model is designed for demanding borehole water systems where substantial lifting capacity matters. The Doyin 4SD range is built for deep wells and boreholes and is also suitable for irrigation, tank filling, household supply, and commercial applications.
When You Need Serious Borehole Lifting Power
The 4SD3/40 is a major step up from the smaller models in this range.
Its 4HP motor provides a maximum head of 287 meters. That gives the pump the lifting capacity needed for deep boreholes and systems with significant vertical elevation.
The pump can deliver up to 4.8 m³/h, or approximately 4,800 liters per hour. Your actual flow will depend on the working head and the rest of the water system.
4SD3/40 4HP Doyin electric submersible pump Specifications
| Specification | Details |
|---|---|
| Brand | Doyin |
| Model | 4SD3/40 |
| Motor power | 4HP / 3kW |
| Pump type | Electric submersible borehole pump |
| Maximum flow | 4.8 m³/h / 4,800 L/h |
| Maximum head | 287m |
| Pumping range | 0–255m |
| Impeller | Ordinary impeller |
| Borehole size | 4-inch |
| Outlet size | 1.5-inch |
| Application | Borehole supply, irrigation, tank filling, commercial water systems |
Doyin states that its 4SD series is suitable for wells over 100mm in diameter. The manufacturer also highlights uses such as industrial and farming water supply, elevated tank filling, and agricultural irrigation.
Suitable for Commercial Water Projects
The combination of 4HP power and 287m maximum head makes the 4SD3/40 a good candidate for larger water systems.
Consider it for:
- Commercial borehole water supply
- Farms and agricultural irrigation
- Large residential compounds
- Institutional water systems
- Elevated tank filling
- Livestock water supply
- Deep borehole applications
- Industrial water transfer
For buyers searching for a commercial electric submersible pump, this model offers considerably more lifting capacity than the smaller 4SDM3 options.
Before buying, however, check your borehole depth, static and dynamic water levels, pipe size, elevation, and required flow. These factors affect the pump you actually need. Doyin also recommends considering delivery pipe size and friction losses when selecting a borehole pump.
Is a 4HP Borehole Pump Right for You?
A higher horsepower rating does not automatically mean a better pump for every borehole.
The 4SD3/40 makes the most sense when your installation requires high head and reliable water lifting. If your borehole is shallower or your water demand is lower, a smaller model may be more suitable and more economical to operate.
If you are comparing models, check our submersible water pump range to see other options available from Pureflex.
Buy From Pureflex Water Solutions
Pureflex makes it easy to order your borehole pump from Nairobi or elsewhere in Kenya.
Free delivery is available within Nairobi, while customers outside Nairobi can get fast nationwide delivery through Wells Fargo where applicable. Pay on delivery is also available in eligible locations.
We also provide after-sales support, so you have a local point of contact after purchasing your pump.
Get the 4SD3/40 4HP Doyin Pump
If your project calls for a high-head electric submersible pump, the 4SD3/40 gives you 4HP power, up to 287m head, and maximum flow of 4,800 L/h.
Order the 4SD3/40 4HP Doyin electric submersible pump from Pureflex Water Solutions for delivery across Kenya.




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