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LR/KR Series Pump L25C,L30D,K38C,K45D

LR/KR Series Pump (L25C, L30D, K38C, K45D) are Danfoss Series 45 open-circuit variable axial piston pumps. LR and KR represent different displacement grades. Max continuous pressure 310 bar, peak pressure 350 bar. Multiple control options, high efficiency, ideal hydraulic power source for farm machinery and construction mobile equipment.
  • L25C,L30D,K38C,K45D

  • Green Hydraulic

  • L25C,L30D,K38C,K45D

  • Standard export carton/plywood case

  • YES

  • ISO9001 CE

  • 1 set

Availability:
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Product Description

LR/KR Series Pump L25C,L30D,K38C,K45D OVERVIEW

LR and KR pumps are Sauer Danfoss Series 45 swashplate variable axial piston pumps designed for open-circuit hydraulic systems. LR and KR represent different frame sizes, covering four specifications: L25C, L30D, K38C and K45D. The continuous rated pressure reaches 310 bar, and the intermittent peak pressure is up to 350 bar. Equipped with multiple control options including pressure compensation and load sensing, these pumps feature high efficiency and strong durability. They are widely used as hydraulic power sources for agricultural equipment, construction machinery and forestry machines.

LR KR 3LR KR1

Features and Benefits

  • Robust bearing structure withstands harsh working environments of mobile machines

  • Modular design supports multiple control modes to match diverse load requirements

  • High volumetric efficiency reduces fuel consumption and heat generation

  • Compact layout for easy installation, disassembly and maintenance

  • Form-fit-function interchangeable with original Sauer Danfoss Series 45 pumps

  • Stable variable flow output for stepless hydraulic regulation

Specifications

Specifications LR/KR Series Pump L25C,L30D,K38C,K45D

LR / KR Series Pump (Danfoss Series 45 Open-circuit Axial Piston Pump)
  • Models: L25C, L30D, K38C, K45D

  • Displacement:

    L25C:25 cc/rev

    L30D:30 cc/rev

    K38C:38 cc/rev

    K45D:45 cc/rev

  • Type: Swashplate variable displacement axial piston pump, open circuit

  • Max continuous pressure: 310 bar (4495 PSI)

  • Intermittent peak pressure: 350 bar (5075 PSI)

  • Available control modes: Pressure compensator, load sensing

  • Rotation: Clockwise / Counter-clockwise optional

  • Max speed: 3600 rpm

  • Compatible fluid: Anti-wear hydraulic oil ISO VG32 / VG46

  • Operating temperature: -20℃ ~ +85℃

  • Mounting: Standard SAE flange

Applications

Applications

  • Combine harvesters and self-propelled agricultural machinery

  • Asphalt pavers, road rollers and pavement maintenance equipment

  • Wheel loaders, small excavators and mobile construction machines

  • Forestry equipment, wood chippers and log splitters

  • Self-propelled crop sprayers and material handling equipment

  • Underground mining loaders and transport vehicles

  • Fan drive systems for cooling and dust suppression equipment

  • Mobile machinery open-circuit hydraulic power units
    LRKR 应用范围

Factory&FAQ

Packaging & Delivery

SPG2 Series Internal And External Gear Pump -transportation

LR/KR Series Pump L25C,L30D,K38C,K45D are typically packaged securely to prevent damage during transit. The packaging includes:

Protective Wrapping: To safeguard the pump from environmental damage.

Custom Crates: For larger, heavier pumps, ensuring safe handling.

Documentation: Includes installation, maintenance instructions, and warranty details.

Delivery time depends on the model, customizations, and location but typically ranges from 2 to 6 weeks from the order date.

LR/KR Series Pump L25C,L30D,K38C,K45D FAQ:


1. What is the LR/KR Series Pump L25C,L30D,K38C,K45D ?

They are Sauer Danfoss Series 45 open-circuit variable axial piston pumps. LR and KR are different frame sizes with four common specifications L25C, L30D, K38C and K45D. Supported by pressure compensation and load sensing control, these pumps own stable high-pressure performance and act as dependable hydraulic power sources for agricultural machinery, construction and forestry mobile machines.

2. What makes the LR/KR Series Pump L25C,L30D,K38C,K45D ?


  • Equipped with heavy-duty bearings, these pumps can withstand rigorous operating conditions. Various control options like pressure compensator and load sensing help save energy. They maintain high volumetric efficiency with less heat buildup. The compact modular design simplifies installation and servicing, and they are fully interchangeable with original Sauer Danfoss Series 45 pumps.



3. What is the working pressure range of LR/KR Series Pump L25C,L30D,K38C,K45D ?


  • Continuous rated working pressure: 310 bar (4495 PSI)

  • Intermittent peak pressure: 350 bar (5075 PSI)

  • Long-term operation under peak pressure is prohibited.


4. Can LR/KR Series Pump L25C,L30D,K38C,K45D replace other brands?

  • Directly interchangeable with original Sauer Danfoss Series 45 pumps.

  • Suitable as performance substitutes for similar open-circuit piston pumps of other brands.

  • Confirm displacement, rotation, flange and control mode prior to installation.

  • Small piping modification may be required for modified machinery.

  • Provide original model code for accurate compatibility check.

5. What is the typical speed range of LR/KR Series Pump L25C,L30D,K38C,K45D ?


  • Minimum stable operating speed: 500 rpm

  • Max continuous speed differs for each specification

  • Standard maximum speed up to 3600 rpm

  • Over-speed operation accelerates wear and shortens service life

6. Do you provide OEM or customized services?

 We support professional OEM services for the LR/KR series piston pumps.

  • Custom nameplates, logos and marking are available.
    Custom configurations can be arranged based on your actual requirements.
    Please send your detailed technical specifications so we can prepare an official quotation for you.


7. How can I get a quotation quickly


Please provide the following details:

  • Model or displacement

  • Working pressure

  • Speed

  • Quantity
    We will reply within 12 hours with a competitive quotation.


Certifications & Quality Assurance

LR/KR Series Pump L25C,L30D,K38C,K45D are manufactured in compliance with international standards, ensuring high performance and reliability:

ISO 9001: Certified for quality management systems.

CE Certification: Ensures compliance with European safety, health, and environmental protection standards.

RoHS Compliance: Ensures the pump does not contain hazardous materials.

Factory Testing: Every pump is rigorously tested for performance, pressure, and leak integrity before shipping.



Green Hydraulic Patent Certificate

FAQ

1.What's our advantages?

Factory established in 2005;

With a great deal of production experience;

80+ employees become the professional team;

Constant updated ERP system ensure efficiency of work;

Sophisticated equipment ehanced the accuracy of products;

Professional salesmen provide the greast service;

With a large number of famous customers all over the world;

Great after-sales service;

With the long term cooperation with famous logistics and express company in China,provide the better goods service.


2.What is your payment terms?

Small order/sample order,full payment in advance; Big orders send the first payment 30% before the production,and the balance before shippment.We'll show the photos of the products and packages before delivery.


3.Can you make my own brand on the products?

Of course we can. Just send me your logo  we can make it for you.


4.What is our main export market?

America(40.5%):USA, Canada, Argentina, Brazil

Europe(30.8%):Italy,Germany,England,Holland,Spain,Swiss,Finland,Russia,Poland.

Asia(23.5%):Korea,singapore,India,Turkey,Vietnam,Saudi Arabia,Syria, Israel,Lebanon.

Others(5.8%).

Hydraulic Pump & Hydraulic Piston Pump & Hydraulic Motor & Hydraulic Vane Pump Factory - Green HydraulicThe Green hydraulic pump manufacturing facility is a specialized industrial plant that focuses on producing hydraulic pumps and related components. These factories are equipped with advanced machinery and technology to fabricate high-quality pumps designed for a wide range of applications, from heavy equipment and machinery to automotive and industrial systems.
Hydraulic Pump & Hydraulic Piston Pump & Hydraulic Motor & Hydraulic Vane Pump Suppliers - Green HydraulicThe production process typically involves precision engineering, where raw materials like metals and alloys are processed into pump components such as gears, pistons, cylinders, and seals. These parts are then assembled into fully functional hydraulic pumps, which are tested for performance and quality control to ensure reliability, efficiency, and durability under various working conditions.
Hydraulic Pump , Hydraulic Piston Pump , Hydraulic Motor , Hydraulic Vane Pump Supplier - Green Hydraulic
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