LPV50 Series Power Components of Hydraulic Systems Hydraulic Motor Pump System
Product Summary
LPV50 Series Power Components of Hydraulic Systems Hydraulic Motor Pump System · cast iron housing · hydraulic components · Power components of hydraulic systems · higher efficiency · Simple layout · System Solutions · work fast · Fully replace imported products · Patent certificate certification · ...
Product Custom Attributes
Basic Properties
Trading Properties
Product Description
LPV50 Series Power Components of Hydraulic Systems Hydraulic Motor Pump System
· cast iron housing
· hydraulic components
· Power components of hydraulic systems
· higher efficiency
· Simple layout
· System Solutions
· work fast
· Fully replace imported products
· Patent certificate certification
· 1 year warranty
· Application rice harvester
· Category Variable displacement axial piston pump
Hydraulic Motor Pump System System Solutions information:
Revolutionize your agricultural operations with our cutting-edge hydraulic pump motor system. This system is the heart of modern agricultural machinery, offering unmatched power and control. It efficiently converts mechanical energy into hydraulic power, driving essential functions like lifting and steering with unparalleled precision. Our system is designed for durability and ease of maintenance, providing a long-lasting solution to meet all your farming needs.

Specifications:
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 | |
Hydraulic Motor Pump System notices:
Regular Inspection of Hoses and Fittings: Inspect all hoses and fittings periodically for signs of wear, cracks, or leaks. Damaged hoses can lead to fluid loss and system failure. Replace any faulty parts immediately to prevent downtime and maintain the safety and efficiency of your machinery.

Hydraulic Motor Pump System use:
The 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.

Factory Production & Inspection Evidence
Manufacturing records for the LPV50-MA-R-21 list Shandong Highland Hydraulic Seiko Co., Ltd. as the producer. The supplied project record lists a production quantity of 50 units, and the factory test report identifies the tested unit by Component No. 02608030203008.
- LPV – LPV series closed axial piston pump
- 50 – 50 mL/r displacement
- MA – manual servo control
- R – clockwise rotation
- 21 – 21-tooth input shaft (16/32 pitch)
Evidence type: factory production / product identification.
Factory Performance Testing
Performance verification of the LPV50-MA-R-21 uses a closed-loop hydraulic pump test bench. The test documentation records Component No. 02608030203008, a test on 2026/8/3 at 10:59, a test temperature of 40.5 °C and a power recovery ratio of 20%. Rated displacement is 50 mL/rev and rated pressure is 35 MPa; the test-bench main parameters are a maximum speed of 3800 r/min and a maximum pressure of 42 MPa.
Recorded Test Data
The closed-loop report records speed, pressure, flow, displacement, torque, input power, output power, overall and volumetric efficiency, and charge pressure for the LPV50-MA-R-21. Selected test points are listed 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 (%) |
|---|---|---|---|---|---|---|---|---|
| 1225 | 4.4 | 64.2 | 52.4 | 36 | 4.6 | 4.7 | 101.9 | 100 |
| 1224 | 19.2 | 61.6 | 52.4 | 160 | 20.5 | 19.7 | 96.1 | 96 |
| 1222 | 30.8 | 59.4 | 52.4 | 259 | 33.1 | 30.5 | 92 | 92.8 |
| 1225 | 4.2 | 64.2 | 52.4 | 35 | 4.5 | 4.5 | 100.1 | 100 |
| 1224 | 18.2 | 61.3 | 52.4 | 152 | 19.5 | 18.6 | 95.4 | 95.6 |
| 1222 | 30.1 | 59.4 | 52.4 | 252 | 32.2 | 29.8 | 92.4 | 92.8 |
Charge pressure: 1.5 MPa; charge flow 10.8 L/min. All values are taken directly from the original test record and depend on the test-bench measurement and calculation method.
Engineering Drawing & Dimensions
The supplied LPV30/50-MA-R/L-21/14-NN drawing specifies the mounting flange, output shaft spline, hydraulic ports, control interface and rotation direction of the LPV50-MA-R-21. 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), 14 teeth (12/24 pitch), 30° pressure angle
- Input shaft dividing circle diameters: Ø33.34 mm (21T) / 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 M10, 25 mm depth; ports L1 / L2 1 1/16-12; port S 1 5/16-12; centre thread M10; 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 3500 r/min, rated working pressure 30 MPa. Interface dimensions should be confirmed against the engineering drawing before installation.
Quality Control & Final Inspection
Quality control of the LPV50-MA-R-21 draws on 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
Project documentation records this pump for a customer in Malaysia. The record lists Shandong Highland Hydraulic Seiko Co., Ltd. as manufacturer, a quantity of 50 units and a concrete mixer truck application.
- Project: Variable Piston Pump for Malaysia
- Model: LPV50-MA-R-21
- Quantity: 50 units
- Application: Concrete mixer trucks
- Client: Malaysia
- Manufacturer: Shandong Highland Hydraulic Seiko Co., Ltd.
- Drive configuration: Closed circuit hydraulic system
Technical Documents
Technical documents available for the LPV50-MA-R-21 include:
| Document | Availability |
|---|---|
| Technical Data Sheet | Available |
| Factory Test Report | Available |
| Engineering Drawing | Available |
| Model Selection Table | Available |
These documents cover displacement, speed, pressure, torque, power, temperature and weight, and confirm the model as a closed axial piston pump. Documentation is retained against the unit's component number for traceability.
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.
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