Highland LPV30 Agricultural Hydraulic Motor Pump System 30cc 3500rpm
Highland LPV30 series agricultural machinery Hydraulic Motor Pump System Simple layout
Compact hydraulic configuration
Variable displacement design
Pump/motor matching
Mobile machinery integration
Closed-loop hydraulic application
Application-specific configuration
Highland Hydraulic Motor Pump System System Solutions information:
Highland hydraulic pump motor system for agricultural machinery is a system that provides power, adjustment, and assistance for various agricultural machines, such as tractors, harvesters, seeders, etc. The system consists of hydraulic pumps, hydraulic motors, valves, pipes, hoses, and other components. Highland hydraulic pump converts the mechanical energy of the engine into hydraulic energy, which is transmitted to the hydraulic motor through the pipes and valves. The hydraulic motor converts the hydraulic energy back into mechanical energy, which drives the wheels or other parts of the agricultural machine. The valves control the direction, pressure, and flow of the hydraulic fluid, and also provide safety and protection functions. The pipes and hoses connect the components and carry the hydraulic fluid.
Specifications:
Highland Hydraulic Motor Pump System technical parameter
| LPV hydraulic pump and LMF hydraulic motor series | 30 | 50 | 70 | 90 | 110 | 130 | ||
| Displacement | Max displacement | ml/r | 30 | 50 | 70 | 90 | 110 | 130 |
| Speed | Max continuous working speed (Full load condition) |
r/min | 3500 | 3500 | 3200 | 3200 | 2900 | 2900 |
| Rated speed | r/min | 2500 | ||||||
| Min continuous working speed | r/min | 500 | ||||||
| Pressure | Rated working pressure | Mpa | 35 | |||||
| Max working pressure (transient) | Mpa | 42 | ||||||
| Continuous working pressure | Mpa | 30 | ||||||
| Allowable shell pressure (Absolute) | Mpa | Constant0.25, Peak value0.5 | ||||||
| Torque | Continuous output torque (Under continuous working pressure) |
Nm | 162.3 | 252.3 | 342.6 | 432.9 | 535.3 | 632.4 |
| Max output torque | Nm | 227 | 353 | 480 | 606 | 749 | 885 | |
| Power | Continuous output power | KW | 45 | 79 | 107 | 139 | 149 | 176 |
| Max power | KW | 62 | 95 | 114 | 150 | 173 | 205 | |
| Temperature | Allowable shell temperature | ℃ | 80 | |||||
| Max working temperature of oil tank | ℃ | 70 | ||||||
| weight | LPV series hydraulic pump hydraulic oil drain | kg | 45 | 46 | 63 | 64 | 82 | 88 |
| LPV series hydraulic motor hydraulic oil drain | kg | 30 | 30 | 36 | 36 | 36 | 38 | |
Technical Selection Guide
When selecting an LPV series hydraulic pump and LMF series hydraulic motor for agricultural machinery, the system should be evaluated according to:
- Required hydraulic pressure
- Required flow rate
- Pump displacement
- Motor displacement
- Operating speed
- Required output torque
- Continuous and peak load
- Duty cycle
- Hydraulic circuit configuration
- Installation dimensions
The final pump and motor configuration should be confirmed according to the actual machine operating conditions.
Highland Hydraulic Motor Pump System notices:
- Before operating the hydraulic motor pump system, please read the instruction manual carefully and follow the safety precautions.
- Do not exceed the rated pressure and flow of the hydraulic motor pump system, or it may cause damage or leakage.
- Check the hydraulic fluid level and quality regularly, and replace it if it is contaminated or deteriorated.
- Keep the hydraulic motor pump system clean and free from dust, dirt, and moisture, and avoid exposing it to high temperature or direct sunlight.
Highland Hydraulic Motor Pump System use:
Highland hydraulic pump motor system for agricultural machinery is widely used in various types of agricultural machines, such as self-propelled harvesters1, tillage machines2, irrigation machines3, etc. The system can also be integrated with other technologies, such as electro-hydraulic control2, hydraulic suspension2, HST (Hydro Static Transmission)3, HMT (Hydro Mechanical Transmission)2, etc., to achieve higher automation and intelligence levels.
Agricultural Machinery Applications
- Rice harvesters
- Combine harvesters
- Self-propelled agricultural machinery
- Hydraulic drive systems
Final configuration should be selected according to actual pressure, flow, speed, torque and duty cycle requirements.
Related Highland Hydraulic Project
Saudi Arabia Hydraulic Piston Pump Project
Product Model: LPV90-MA-R-23
Quantity: 20 units
Application: Concrete Mixer Trucks
Hydraulic System: Closed-loop hydraulic system
Maximum Displacement: 90 ml/r
Rated Working Pressure: 35 MPa
Maximum Transient Pressure: 42 MPa
Test Report
About the Manufacturer
Shandong Highland Hydraulic Seiko Co., Ltd. is a hydraulic equipment manufacturer specializing in hydraulic pumps, hydraulic motors, hydraulic testing equipment and related hydraulic solutions.
The company provides hydraulic product development, manufacturing, testing and application support for agricultural machinery and other mobile hydraulic applications.
For more information about Highland's manufacturing capabilities, quality control and project experience, see:
About Us | Quality Control | Project Cases
Factory Production & Inspection Evidence
Documented production records show that the LPV90-MA-R-23 closed axial piston pump is manufactured by Shandong Highland Hydraulic Seiko Co., Ltd. The supplied project record lists a production quantity of 100 units, and the factory test report identifies the tested unit by Component No. 02604200203002.
- LPV – LPV series closed axial piston pump
- 90 – 90 mL/r displacement
- MA – manual servo control
- R – clockwise rotation
- 23 – 23-tooth input shaft (16/32 pitch)
Evidence type: factory production / product identification.
Factory Performance Testing
Factory performance testing of the LPV90-MA-R-23 is carried out on a closed-loop hydraulic pump test bench. The test documentation records Component No. 02604200203002, a test on 2026/4/20 at 9:12, a test temperature of 22.7 °C and a power recovery ratio of 50%. Rated displacement is 90.5 mL/rev and rated pressure is 35 MPa; the test-bench main parameters are a maximum speed of 3200 r/min and a maximum pressure of 42 MPa.
Recorded Test Data
The closed-loop report logs speed, pressure, flow, displacement, torque, input power, output power, overall efficiency, volumetric efficiency and charge pressure for the LPV90-MA-R-23. Selected factory-recorded test points are provided for reference.
| Speed (r/min) | Pressure (MPa) | Flow (L/min) | Displacement (mL/rev) | Torque (N·m) | Input Power (kW) | Output Power (kW) | Overall Efficiency (%) | Volumetric Efficiency (%) |
|---|---|---|---|---|---|---|---|---|
| 1247 | 4.8 | 112.2 | 90 | 89 | 11.6 | 9 | 77.2 | 100 |
| 1245 | 17.7 | 108.9 | 90 | 275 | 35.9 | 32.1 | 89.6 | 97.2 |
| 1243 | 30.7 | 105.2 | 90 | 469 | 61.1 | 53.8 | 88.2 | 94.1 |
| 1240 | 4.8 | 111.9 | 90.2 | 84 | 10.9 | 9 | 82.1 | 100 |
| 1239 | 18.6 | 108 | 90.2 | 286 | 37.1 | 33.5 | 90.2 | 96.6 |
| 1237 | 30.4 | 104.3 | 90.2 | 464 | 60.1 | 52.8 | 87.9 | 93.4 |
Charge pressure: 1.7 MPa; charge flow 22.4 L/min. Values are reproduced from the original test record and should be interpreted according to the test-bench measurement and calculation method.
Engineering Drawing & Dimensions
Mounting flange, output shaft spline, hydraulic port, control interface and rotation-direction details for the LPV90-MA-R-23 are shown in the supplied LPV70/90-MA-R/L-21/23/14-NN drawing. Key interface information includes:
- High pressure ports A and B; leakage ports L1 / L2; oil suction port S
- High pressure relief valves A / B; low pressure relief valve
- Pressure taps Ma / Mb: 9/16-18; servo-cylinder pressure taps (both sides): 9/16-18
- Input shaft spline options: 21 teeth (16/32 pitch), 23 teeth (16/32 pitch), 14 teeth (12/24 pitch), 30° pressure angle
- Input shaft dividing circle diameters: Ø33.34 mm (21T) / Ø36.5 mm (23T) / Ø29.63 mm (14T)
- Control handle spline: 1/4-20 UNC-2A, 24 teeth, diametrical pitch 64/128, OD 9.5 mm (SAE 1963)
- Mounting: 4 bolts M12, 25 mm depth; ports L1 / L2 1 1/16-12; port S 1 5/16-12; relief valve options 32 / 35 / 40 MPa; charge/suction pressure 1.8–2.4 MPa
- Rotation direction R (clockwise) / L (anticlockwise)
Drawing technical requirement: minimum speed 500 r/min, maximum speed 3000 r/min, rated working pressure 30 MPa. Interface dimensions should be confirmed against the engineering drawing before installation.
Quality Control & Final Inspection
The LPV90-MA-R-23 is checked against product identification, factory test documentation and engineering specifications. The test report documents the pump's displacement, pressure, speed, flow and output power recorded during closed-loop testing.
- Product model identification
- Hydraulic pump performance testing
- Pressure and speed verification
- Flow and displacement recording
- Torque and power measurement
- Overall and volumetric efficiency recording
- Engineering interface verification
Dimensional inspection · surface and finish inspection · assembly inspection · leakage inspection · rotation (R / L) inspection · port and interface inspection · final inspection before packing.
Project Reference
The model is listed in the project record for the Belarus client. The record lists Shandong Highland Hydraulic Seiko Co., Ltd. as manufacturer, a quantity of 100 units and a rye harvester application.
- Project: Variable Piston Pump for Belarus
- Model: LPV90-MA-R-23
- Quantity: 100 units
- Application: Rye harvester
- Client: Belarus
- Manufacturer: Shandong Highland Hydraulic Seiko Co., Ltd.
- Drive configuration: Closed circuit hydraulic system
Technical Documents
Technical documents available for the LPV90-MA-R-23 include:
| Document | Availability |
|---|---|
| Technical Data Sheet | Available |
| Factory Test Report | Available |
| Engineering Drawing | Available |
| Model Selection Table | Available |
These documents provide data on displacement, speed, pressure, torque, power, temperature and weight, and confirm the LPV90 as a closed axial piston pump. The referenced documents are kept on file with the unit's component number.
Hydraulic Motor Pump System faq
Q1. Can I have a sample order for hydraulic motor pump system?
A: Yes, we welcome sample order to test and check quality.
Q2. What about the hydraulic motor pump system lead time?
10 to 15 days for samples, mass production according to MOQ
Q3. Do you have any MOQ limit for hydraulic motor pump system?
A: Low MOQ, 1pc for sample checking is available.
Q4. How do you ship the hydraulic motor pump system and how long does it take to arrive?
Ship by sea, it generally takes 15-20 days to arrive, and air is also optional.
Q5. How to proceed an order for hydraulic motor pump system
A: Firstly let us know your requirements or application.
Secondly We quote according to your requirements or our suggestions.
Thirdly customer confirms the samples and places deposit for formal order.
Fourthly We arrange the production.
Q6: Do you offer guarantee for the hydraulic motor pump system?
A: Yes, we offer 1 years warranty to our products.
Q7: How to deal with the faulty hydraulic motor pump system?
Firstly, our products are produced in strict quality control system.Secondly, we will inspect the defective pump and motor, and then respond according to the actual situation.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.



