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Danfoss Series 45 Pump | HRR057, LRR025, KRR038, FRR074 | Hydraulic Piston Pump | HRR057BLS
| Model Number | KRR038CPC18NNNNN3C2RGA6NAAANNNNNN, HRR057BLS326NNA3T0N2A1NNNNNNNNNNN |
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Product Description
Danfoss Series 45 Medium Duty Axial Piston Variable Pumps
Product Overview: The Danfoss Series 45 is the premier choice for open-circuit hydraulic systems in global construction machinery. This series encompasses multiple frames, including HRR, LRR, JRR, KRR, FRR, and KRL, with displacements ranging from 25cc to 147cc. Featured models like the HRR057BLS326NNA… are engineered for medium-duty applications, balancing high-performance output with a compact footprint. Whether used in backhoe loaders, telehandlers, or municipal vehicles, Series 45 pumps deliver exceptional fuel efficiency and precision flow control.
Key Technical Advantages:
Superior Load-Sensing (LS) Control: Highly responsive LS regulators (e.g., the BLS option) ensure pump output matches actuator demand perfectly, minimizing energy waste from relief losses.
High-Reliability Rotating Groups: Proven 9-piston architecture and optimized valve plates ensure extended service life under continuous high pressures of 260-310 Bar.
Compact Modular Design: Utilizing lightweight aluminum or high-strength cast iron housings, these pumps allow for easy installation in tight engine compartments and support through-drive configurations for tandem pumps.
Low Noise Operation: Acoustically optimized internal passages significantly reduce noise levels during high-pressure operation, enhancing operator cabin comfort.
100% OEM Compatibility: Manufactured to strict SAE mounting flange and splined shaft specifications, allowing for seamless “drop-in” replacement on brands like John Deere and CASE.
Detailed Models & Parameters:
Core Series: Danfoss Series 45 (L, K, J, H, F Frame).
Representative Models: HRR057, LRR025C, LRR030D, KRR038C, KRR045D, JRR060, FRR074.
Displacements: 25cc, 30cc, 38cc, 45cc, 57cc, 60cc, 74cc, 90cc, 147cc/rev.
Pressure Ratings: Rated at 310 Bar (4500 PSI) continuous; Peak capability up to 400 Bar (5800 PSI).
Control Options: Pressure Compensated (PC), Load Sensing (LS), and Remote PC controls.
Company Profile
We adhere to international quality management standards and provide a 1-year warranty including maintenance and replacement. We have established long-term strategic cooperation with many well-known brands and continuously launch new products to meet market development. Flexible payment terms are supported, including USD settlement, Alipay, Western Union and T/T.
Relying on our standardized production base and professional foreign trade team, we provide competitive factory direct prices, efficient logistics channels and punctual delivery. FJZY Hydraulic is devoted to being your trustworthy long-term partner in hydraulic and agricultural machinery fields.
Our Advantages
Fast & Reliable Delivery
Extensive Partnerships
We collaborate with numerous factories, offering a wide range of product selections and providing you with instant quote responses
Strict Quality Assurance
Quality first is our principle. We provide a one-year warranty service, ensuring you receive top-tier quality products with confidence.
Competitive Pricing
Through efficient production and close cooperation, we offer highly competitive prices, guaranteeing a cost-effective experience for you.
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