Water Pumps Over 3.7Kw Best Price 10/2026

Water pumps (water pump motors) are essential equipment in water supply, drainage, and fluid circulation systems, designed to meet various operational requirements. Water pumps over 3.7kW are large-capacity product lines, prominent for their powerful operation, high pumping capacity, and durability. With a sturdy structure, multiple choices of voltage, head, and flow rate, the product well meets strict technical requirements while helping the system operate stably, continuously, and optimize operating costs.

Energy-saving and durable water pumps over 3.7kW at Thanh Thai Motor.

Large capacity, high pumping efficiency: The pump is capable of delivering a large water volume and stable head, well meeting systems requiring continuous water transfer with high intensity.
Durable operation, good load capacity: The motor is made from high-quality materials, helping the machine operate stably for a long time, minimizing overheating, and maintaining performance even under continuous operation.
Diverse technical specifications: The product offers various choices in capacity, head, flow rate, voltage, and installation type, making it easy for users to choose according to each system’s requirements.
Optimized operating costs: Thanks to high working efficiency and power optimization capabilities, the machine helps reduce power consumption while limiting maintenance and repair costs during use.
Easy maintenance and component replacement: The design is convenient for periodic inspection, maintenance, and spare parts replacement, contributing to extending the machine’s lifespan and reducing downtime.

Main advantages of water pumps over 3.7kW.

Industrial water supply systems: Used to supply water for factories, industrial zones, export processing zones, and production systems with large water demands.
Agricultural irrigation systems: Suitable for large-scale farms and cultivation areas, sprinkler irrigation systems, drip irrigation, and livestock water supply.
Fire protection systems: Used as water supply pumps for fire fighting systems, ensuring water flow and pressure according to design requirements.
Water and wastewater treatment systems: Applied in water supply stations, clean water and wastewater treatment plants, and industrial water circulation systems.
Construction and mining projects: Used for water supply, foundation pit drainage in construction sites, mines, and areas requiring large-volume water transfer.

This submersible pump series over 3.7kW is designed to operate directly in liquids with high capacity, suitable for industrial wastewater treatment, mining, or pumping water in large-scale projects. Submersible pumps over 3.7kW offer stable operation and good load capacity in harsh environments.

With high efficiency and great durability, TECO water pumps are commonly used in industry, agriculture, or large water supply systems. TECO water pumps over 3.7kW are suitable for continuous operation and heavy-duty needs.

Operating on the centrifugal force principle, this series is suitable for industrial water supply, irrigation, or large-scale water circulation systems. Centrifugal water pumps over 3.7kW provide large flow rates and high heads.

The long cylindrical design makes the equipment easy to install in deep boreholes or groundwater extraction systems. Borehole water pumps over 3.7kW are commonly used in large-scale agriculture and industry.

Borehole water pumps over 3.7kW at Thanh Thai Motor.

This is a specialized series used to pump water to great heights with strong and stable pressure. In many high-rise buildings or large water supply systems, high head water pumps over 3.7kW are a popular choice.

This equipment series is used in manufacturing, packaging, or technical industrial processes requiring strong suction force. Vacuum pumps over 3.7kW are capable of creating a stable and continuous vacuum environment.

Below is the reference price list for water pumps over 3.7kW at Thanh Thai Motor featuring a variety of models, flow rates, and heads, meeting numerous demands in industrial and large-scale systems.

No.	Product	Price	Specs
1	Horizontal Stainless Steel Head High Head Water Pump LEPONO EDH 20-30 4kW 5.5Hp	From 5.750.000₫	High head, 380V, 4kW-5.5HP, 31.02 m3/h, 42m head, 420m pumping distance
2	High Head Water Pump 3.7kW 5Hp	From 5.900.000₫	High Head, 380V, 3.7kW - 5Hp, 9.4m3/h, Head 46m, Distance 322m
3	3-Phase Water Pump 3.7kW 5HP	From 5.900.000₫	Centrifugal, 3-Phase, 3.7kW - 5HP, 39m³/h
4	Submersible pump 4kW 5.5Hp	From 6.000.000₫	Submersible, 3-phase, 4kW - 5.5Hp, 76m3/h
5	Borehole Pump 5.5kW 7.5Hp	From 6.650.000₫	Borehole, 380V, 5.5kW-7.5Hp, 14 m3/h
6	High Head Water Pump 5.5kW 7.5HP	From 8.000.000₫	High head, 380V, 5kW - 7.5Hp, 120m3/h, 47m head, 329m distance
7	3-Phase Water Pump 5.5kW 7.5HP	From 8.100.000₫	Centrifugal, 3-Phase, 5.5kW - 7.5HP, 120m3/h
8	High Head Water Pump 7.5kW 10Hp	From 8.300.000₫	High Head, 380V, 7.5kW - 10Hp, 132m3/h, Head 43.9m, Discharge distance 351m
9	3-Phase Water Pump 7.5kW 10HP	From 8.400.000₫	Centrifugal, 3-Phase, 7.5kW - 10Hp, 132m³/h
10	Submersible pump 5.5kW 7.5Hp	From 8.500.000₫	Submersible pump, 3-Phase, 5.5kW - 7.5Hp, 65m³/h
11	Submersible Pump 7.5kW 10HP	From 10.500.000₫	Submersible, 3-Phase, 7.5kW - 10HP, 100m3/h
12	Borehole Pump 7.5kW 10Hp	From 10.900.000₫	Borehole, 380V, 7.5kW - 10Hp, 18 m3/h
13	TECO Water Pump 4kW 5.5Hp	From 10.900.000₫	TECO, 3-Phase, 4kW - 5.5Hp, 53.6m3/h
14	High Head Water Pump 11kW 15Hp	From 12.900.000₫	High head, 380V, 11kW - 15Hp, 144m3/h, high head 14.6m, horizontal push 116.8m
15	3-Phase 11kW 15Hp Water Pump	From 12.900.000₫	Centrifugal, 3-Phase, 11kW - 15Hp, 144m3/h
16	Close-Coupled Vacuum Pump 4.0kW 5.5HP	From 13.000.000₫	Vacuum, 3-Phase, 4.0kW - 5.5HP, 1.5m3/h
17	Vacuum Pump 3.7kW 5Hp	From 13.000.000₫	Vacuum, 3-Phase, 3.7kW - 5Hp, 75m3/h
18	3-Phase Water Pump 15kW 20HP	From 14.250.000₫	Centrifugal, 3-Phase, 15kW - 20Hp, 132m3/h

Choosing appropriate manufacturing materials: Prioritize pumps with cast iron, stainless steel, or corrosion-resistant pump bodies, combined with wear-resistant and anti-corrosive impellers and shafts to ensure durability when working in various environments.
Selecting voltage according to the operating system: Pumps over 3.7kW mainly use a 3-phase 380V power supply. It is necessary to check the power supply at the installation location to choose the correct voltage, helping the machine operate stably and achieve maximum efficiency.
Determining the appropriate head: The head must meet the pump height and water pressure requirements of the system. Choosing the correct head will help the pump operate efficiently, avoiding pressure deficiencies or power waste.
Calculating the required water flow rate: The flow rate must match the system’s usage needs. Choosing a flow rate that is too low will fail to meet requirements, while an excessively high flow rate can cause energy waste and reduce operational efficiency.
Choosing a reputable supplier: Products should be purchased from experienced units like Thanh Thai Motor, which provides genuine pumps, complete technical specifications, clear warranty policies, and a technical team to assist with consultation, installation, and maintenance throughout use.

In addition to these criteria, customers can refer to additional water pump videos at Thanh Thai Motor. The compilation video introduces water pump lines and guides selection based on flow rate, head, and capacity, while sharing installation, operation, and maintenance procedures, as well as important technical notes before use.

Yes. The check valve prevents backflow when the pump stops, while the gate valve assists in the maintenance and replacement of the pump without having to drain the entire system.

Not mandatory. The use of star-delta starters or variable frequency drives depends on the motor capacity, system requirements, and the load-bearing capacity of the power grid. For large-capacity pumps or when starting current reduction is needed, this is a solution that helps ensure stable operation and effective motor protection.

When multiple water pumps operate in parallel, it is necessary to select pumps with similar flow-head characteristics, balance the length and size of the pipes, and install a check valve for each pump to prevent backflow. If the system includes a variable frequency drive, alternating mode or synchronized control should be set up to distribute the flow evenly and limit overloading on individual pumps.

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