HPV50 Agricultural Hydarulic Piston Pumps For Combine Harvesters

Product Description

HPV50 agricultural hydarulic piston pumps for combine harvesters

Highland Agricultural hydarulic piston pumps introduction: 

Highland Agricultural hydraulic piston pumps are becoming more and more common in agricultural industry and daily life, because hydraulic piston pump power could improve production efficiency, save labour and time, and bring more convenience to agricultural machines, such as combine harvesters, grass mower agricultrual machines. Our engineers are able to design and configure hydraulic pumps flexibly to meet the different needs of agricultural combine harvesters.

Highland Agricultural hydraulic piston pumps main features:

• Agricultural hydraulc piston pumps are well engineered and easy to handle.
• Bearings of hydraulic axial piston pumps are all tapered roller bearing, which can load heavy external axial forces.
• HPV50 Hydraulic pumps can be connected with other additional pumps.
• When Hydraulic pumps operated mechanically, the servo displacement can control and keep the angle of swash plate and pump displacement.
• Upon release of the control handle, swash plate return to zero position automatically and the flow reduces to zero.
• HPV50 Hydraulic pumps has shaft oil seals performance, even at the lowest temperature and high case pressure.
• Servo valve of hydraulic piston pump can connect function regulators and remote control systems.
• Agricultural piston pumps can easy maintain and can be disassembled and assembled by standard tools. All components are replaceable.

Highland Agricultural hydraulic piston pumps usage: 

Highland hydraulic pumps are a new generation of hydraulic products. Compact size, flexibility and variable speed of hydraulic pumps are suitable for agricultural harvesters, meantime they provide power drives for harvesting functions, conveyors. With superior performance, safety and high efficiency.

Hydraulic oil notice of combine harvester hydraulic pumps: 

Hydraulic oil: The ability of hydraulic drives to maintain ideal performance and achieve life expectancy depends on the quality of the liquid operating in the unit. Liquid quality can be measured in three common categories: lubrication capacity, impurities, and temperature. Field experience shows that most drives fail due to the damaged surface of liquid quality, mainly solid particles impurities and overheating. Users of combine harvester hydraulic pumps should choose correct hydraulic oils and maintain promptly.

Company service of HPV50 agricultural hydraulic pitson pumps: 

• Factory direct sales, one year warranty.
• Hydraulic technical support, one-stop service system.
• Lightning supply.
• Regular single product Supply for immediate delivery, batch can be quickly shipped according to customer demand.
• Commitment to warranty hydraulic pump and hydraulic motor within one year.
• Provide personalized and customized services according to customer needs.

Application / Project Evidence

Variable Piston Pump Project — Concrete Mixer Trucks

A hydraulic pump project for concrete mixer trucks in Malaysia documents the HPV50-MA-R-21 in a real application.

Project details:

• Project: Variable Piston Pump for Malaysia
• Manufacturer: Shandong Highland Hydraulic Seiko Co., Ltd.
• Pump model: HPV50-MA-R-21
• Quantity: 50 units
• Application: concrete mixer trucks
• Hydraulic circuit: closed circuit hydraulic system
• Maximum displacement: 50 mL/rev
• Rated working pressure: 35 MPa
• Maximum transient pressure: 42 MPa
• Continuous working pressure: 30 MPa
• Maximum continuous working speed: 3500 r/min

Product technical parameters, engineering drawings and a factory performance test report for the HPV50-MA-R-21 support the project documentation.

This reference shows the documented use of the HPV50 series in concrete mixer truck equipment and offers application-specific technical evidence to customers assessing the pump for comparable hydraulic systems.

Factory Performance Testing

A factory performance test is carried out on the HPV50-MA-R-21 closed-loop axial piston pump prior to shipment, checking its main operating behaviour under controlled conditions.

This unit was tested on September 14, 2026 at 31.4°C; its rated displacement was 50 mL/rev, rated pressure 35 MPa and maximum pressure 42 MPa.

Measurements recorded during the test comprised pump speed, outlet pressure, flow, displacement, input torque, input power, output power, overall and volumetric efficiency. The report identifies the model as HPV50-MA-R-21 and includes a unique component number for traceability.

Such testing supplies product-specific operating data to application engineers and customers, beyond nominal catalogue specifications alone.

Recorded Test Data

The results captured during factory performance testing of the HPV50-MA-R-21 pump are shown below.

Conditions of the test:

• Test temperature — 31.4°C
• Rated displacement — 50 mL/rev
• Rated pressure — 35 MPa
• Max pressure — 42 MPa
• Max speed — 3500 r/min
• Charge pressure — 1.6 MPa
• Charge flow — 12.4 L/min

Source: HPV50-MA-R-21 factory test report, component No. 02609140203023.

Engineering Drawing

Detailed engineering drawings are available for the HPV50-MA-R-21 closed-loop axial piston pump.

The engineering drawing provides dimensional and interface information required for system integration, including overall mounting dimensions, shaft and spline specifications, hydraulic ports, leakage ports, pressure test ports, control-handle dimensions and control positions.

The drawing also identifies the pump rotation direction and corresponding pressure-port configuration for clockwise and counterclockwise operation.

Key interface information includes:

• Product model: HPV50-MA-R-21
• Rated displacement: 50 mL/rev
• Main ports: A and B
• Leakage ports: L1 and L2
• Oil suction port: S
• Pressure/test port: M
• Control options: Manual / Electric Proportional Servo / Hydraulic Servo
• Input shaft spline configurations according to the selected model
• SAE-related control and shaft dimensions

Engineering drawings can be used by hydraulic system designers to verify mounting, shaft connection, port configuration and installation requirements before ordering.

Quality Control & Inspection

The HPV50-MA-R-21 undergoes quality control that checks product configuration, dimensional requirements and hydraulic performance before dispatch.

In the factory test record for the tested unit, the manufacturer, component model, component number, rated displacement, rated pressure, maximum pressure and test temperature are identified. Performance inspection includes operating speed, pressure, flow, displacement, input torque, input power, output power, overall efficiency and volumetric efficiency.

Dimensional and interface information for the pump body, hydraulic ports, leakage ports, shaft spline and control mechanism is contained in the engineering documentation.

Configuration records, engineering documentation and recorded performance data together provide traceable technical evidence for the delivered hydraulic pump.

Technical Documents

To support product evaluation, hydraulic system design and installation planning for the HPV50-MA-R-21, technical documentation is provided.

The available technical information includes:

• HPV50-MA-R-21 Technical Parameter Sheet
• Factory Performance Test Report
• Engineering Drawing
• Mounting and Overall Dimensions
• Hydraulic Port Configuration
• Input Shaft & Spline Specifications
• Control Handle and Servo Control Data
• Rotation Direction Configuration
• HPV Series Technical Parameter Table
• Model Selection Guide

The HPV50-MA-R-21 documentation specifies a maximum displacement of 50 mL/rev, rated working pressure 35 MPa, maximum transient pressure 42 MPa, continuous working pressure 30 MPa and a minimum continuous operating speed of 500 r/min.

Customers may request the applicable technical documents and product-specific test information from Highland for engineering evaluation.

Engineering Team

Highland offers engineering support covering hydraulic pump selection, configuration and system integration.

For the HPV series this can include displacement selection, pressure and speed requirements, control configuration, rotation direction, shaft and mounting interfaces, hydraulic port configuration and application-specific needs.

For the HPV50-MA-R-21, the engineering documentation available defines displacement, operating pressure, speed range, torque and power characteristics, control options, shaft spline data, port configuration and installation dimensions.

By sharing their machine operating conditions and hydraulic system requirements, customers can obtain technical guidance on a suitable HPV series configuration.

FAQ of agricultural hydraulic piston pumps:

1. Are you a manufacturer or Trader ?

We are a professional manufacture, we have our own R&D team and sales team, we provide one-stop service.

2. What is your payment term ?

We accept T/T, Western Union etc.

3. How long is the validity of quotation ?

Generally,our price is valid within 7 working days from the date of quotation. The price will be adjusted appropriately according to the price fluctuation of raw material and changes in market.

4. What is your delivery time ?

Usually, we make merchandise inventory, if we have the products in stock, the delivery time is 5-10 days after receiving the deposit. If we don't have the products in stock, we will arrange the production right now, the delivery time depend on the order quantity.

Tags: agricultural hydraulic piston pumps, HPV50 hydraulic pumps, combine harvester hydraulic pumps