LPV90 LMF90 Hydraulic Axial Piston Pumps For Closed Loop Hydrostatic Transmissions

Product Description

Axial Piston Pumps for Closed-Loop Hydrostatic Transmissions

· cast iron housing

· hydraulic components

· Power components of hydraulic systems

· higher efficiency

· Simple layout

· System Solutions

· work fast

· Designed as an alternative solution for selected imported hydraulic motor applications

· Patent / Certification Documents Available

· 1 year warranty

· Application rice harvester

· Category Variable displacement axial piston pump

Hydraulic Motor Pump System System Solutions information:

Step up your farming game with our high-tech hydraulic pump motor system. This system is a game-changer for agricultural machinery, offering a blend of power, efficiency, and durability. Its high-capacity pump and robust motor are tailored for the demanding conditions of farming, providing reliable performance in tasks like tilling, harvesting, and baling. With its advanced design, our hydraulic system not only enhances your machinery's capabilities but also contributes to longer equipment life and reduced operational costs.

Specifications:

Hydraulic Motor Pump System technical parameter

Hydraulic Motor Pump System notices:

**Periodic System Analysis**: Conduct regular hydraulic system analysis, including pressure, flow, and temperature checks. This will help in identifying any irregularities in the system before they turn into major problems. Regular analysis can also provide insights into the system's performance and help in making necessary adjustments for optimal efficiency.

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.

LMF90-23 Factory Production & Inspection Evidence

Manufacture of the LMF90-23 hydraulic motor is handled by Shandong Highland Hydraulic Seiko Co., Ltd. under supporting factory records. A project record for this model lists a supply of 100 units, while the factory test report carries component No. 02602260203001 for the tested motor.

Production Evidence

• Model LMF90-23 confirmed in production and project records
• Documented quantity: 100 units
• Tested unit identified by component No. 02602260203001

Evidence Type: Factory Production / Product Identification

LMF90-23 Factory Performance Testing

Performance of the LMF90-23 is checked on a closed-loop test bench. Test documentation records component No. 02602260203001, a test on 2026/2/26 at 15:02, a test temperature of 23.5 °C and a power recovery ratio of 50%; rated values are 90 mL/rev displacement, 3200 r/min maximum speed and 35 MPa rated pressure.

LMF90-23 Recorded Test Data

The factory test report documents speed, pressure, flow, displacement, torque, input power, output power, overall efficiency, volumetric efficiency and charge pressure of the LMF90-23. Selected factory-recorded test points are provided for reference.

• Set 1 — 1243 r/min at 5.5 MPa: 111.4 L/min, 89.6 mL/rev, 74 N·m, 9.6 kW in / 10.2 kW out, 106% overall, 100% volumetric
• Set 1 — 1241 r/min at 17.2 MPa: 108.4 L/min, 89.6 mL/rev, 249 N·m, 32.4 kW in / 31.1 kW out, 96% overall, 97.5% volumetric
• Set 1 — 1236 r/min at 30.1 MPa: 106.5 L/min, 89.6 mL/rev, 442 N·m, 57.2 kW in / 53.4 kW out, 93.4% overall, 96.1% volumetric
• Set 2 — 1270 r/min at 5.7 MPa: 113.9 L/min, 89.7 mL/rev, 82 N·m, 10.9 kW in / 10.8 kW out, 99.2% overall, 100% volumetric
• Set 2 — 1268 r/min at 17.0 MPa: 111.3 L/min, 89.7 mL/rev, 245 N·m, 32.5 kW in / 31.5 kW out, 96.9% overall, 97.9% volumetric
• Set 2 — 1265 r/min at 30.1 MPa: 109.3 L/min, 89.7 mL/rev, 452 N·m, 59.9 kW in / 54.8 kW out, 91.6% overall, 96.3% volumetric

Charge pressure: 1.2 MPa.

Values are reproduced from the original test record and should be interpreted according to the test-bench measurement and calculation method.

LMF90-23 Quality Control & Inspection

The LMF90-23 is inspected using product identification records, factory test documentation and engineering specifications. The test report documents the motor's displacement, pressure, speed, flow, torque, input power, output power and efficiency recorded during closed-loop testing.

Inspection Evidence

• Product model identification
• Hydraulic motor performance testing
• Pressure and speed verification
• Flow and displacement recording
• Torque and power measurement
• Overall and volumetric efficiency recording
• Engineering interface verification

Inspection scope also covers

• Dimensional inspection
• Surface and finish inspection
• Assembly inspection
• Leakage inspection
• Rotation (CW / CCW) inspection
• Port and interface inspection
• Final inspection before packing

LMF90-23 Engineering Drawing & Interface Data

The LMF70/90 series engineering drawing covers the mounting flange, output shaft spline, hydraulic ports and rotation direction of the LMF90-23. Key interface information includes:

• 16/32 radial pitch
• 30° pressure angle
• 33.34 mm dividing circle diameter
• SAE mounting flange, 4 × M12 bolts, 25 mm depth
• L1 / L2 leakage ports: 1 1/16-12
• Speed sensor installation port: 1 1/16-12
• Flushing pressure measuring port: 9/16-18, 15 mm depth
• CW / CCW rotation
• 21-tooth involute output spline

LMF90-23 Application / Project Evidence

The LMF90-23 is documented in the project record “Variable Piston Pump for Belarus”, which records Shandong Highland Hydraulic Seiko Co., Ltd. as the manufacturer, a quantity of 100 units, and a rye harvester application for a Belarus customer. The project therefore ties the motor to an agricultural harvesting application.

Primary application: Closed-loop hydrostatic transmissions

Documented project application: Rye harvester — Belarus project

• Project: Variable Piston Pump for Belarus
• Model: LMF90-23
• Quantity: 100 units
• Application: Rye harvester
• Client: Belarus
• Manufacturer: Shandong Highland Hydraulic Seiko Co., Ltd.
• Drive configuration: Closed Circuit Hydraulic System

LMF90-23 Technical Documents

The following technical documentation is available for the LMF90 series:

These documents confirm the LMF90 as a closed axial piston motor and provide data on displacement, speed, pressure, torque, power, temperature and weight.

Factory Production & Inspection Evidence

The LPV90-MA-R-23 pump is manufactured and identified under factory production documentation issued 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 recorded 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 records speed, pressure, flow, displacement, torque, input power, output power, overall and volumetric efficiency, and charge pressure for the LPV90-MA-R-23. Selected test points are listed for reference.

Charge pressure: 1.7 MPa; charge flow 22.4 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 LPV70/90-MA-R/L-21/23/14-NN drawing specifies the mounting flange, output shaft spline, hydraulic ports, control interface and rotation direction of the LPV90-MA-R-23. 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

Quality control of the LPV90-MA-R-23 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 Belarus. 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:

These documents cover displacement, speed, pressure, torque, power, temperature and weight, and confirm the model as a closed axial piston pump. Records are filed against the unit's component number for reference.

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.

LMF90-23 Technical FAQ

Q: What is the rated displacement of the LMF90-23?

A: The LMF90-23 hydraulic motor has a rated displacement of 90 mL/rev.

Q: What is the continuous working pressure?

A: The continuous working pressure (ΔP) is 30 MPa, with a rated working pressure of 35 MPa and a maximum (transient) working pressure of 38 MPa.

Q: What is the maximum continuous speed?

A: 3200 r/min at full load, with a minimum continuous working speed of 500 r/min.

Q: What type of hydraulic circuit is the LMF90 designed for?

A: The LMF90 is designed for closed-circuit hydraulic systems.

Q: Is an engineering drawing available for installation verification?

A: Yes. An LMF70/90 series engineering drawing is available, covering the mounting flange, output shaft spline, hydraulic ports and rotation direction.

Q: Can the motor be supplied with different control or valve configurations?

A: For details of available control, valve or mounting configurations, please contact us with your application requirements.