JRRS Danfoss Pump Original Series 45 Hydraulic Pumps
Wuhan Xinlaifu Hydraulic Equipment Co., Ltd. is one of the leading manufacturers and suppliers of jrrs danfoss pump original series 45 hydraulic pumps in China. With abundant experience, we warmly welcome you to buy high quality customized products at competitive price from our factory. Also, OEM&ODM service is available.
Specifications
| Type | JRRS Series (e.g. JRRS45/51/60/75...) |
| Brand | XLF Hydraulic |
| Displacement | 25–75 mL/r |
| Rated Working Pressure | 26–31 MPa (260–310 bar) |
| Intermittent Peak Pressure | Max 40 MPa (400 bar) |
| Mount Flange | SAE Standard Flange |
| Port Size | SAE Standard Ports |
| Built-in Parts | Integrated Charge & Control Valves |
| Recommended Oil | Anti-wear Hydraulic Oil (ISO VG 32–68) |
Product Overview
Model JRRS45 / JRRS51 / JRRS60 / JRRS75 are heavy-duty variable displacement axial piston pumps for open circuits, belonging to the Danfoss JRRS Series, with customizable production coding to accommodate a wide range of specification variants, including different control types, pressure ratings, and seal configurations. Adopting optimized swash-plate variable displacement technology and a robust valve plate design that ensures stable cylinder block operation under high pressure, these pumps serve as direct aftermarket replacements for original OEM pumps of the corresponding JRRS specifications.
The JRRS Series represents premium high-efficiency piston pumps, delivering stable high flow and high-pressure output (260-310 bar continuous working pressure, 400 bar peak pressure) within a compact, power-dense casing. Under severe service environments including open-pit mining, construction cranes, concrete pumping, road construction, and agricultural harvesting operations, these pumps feature outstanding pressure resistance and long-term operational durability, serving as the preferred core hydraulic power source for heavy-duty machinery such as excavators, crawler cranes, concrete pump trucks, roadheaders, road construction equipment, and agricultural harvesters. Designed with standard SAE heavy-duty mounting flanges and spline shafts, along with a reinforced housing structure, the entire series withstands frequent heavy shock loads and continuous mechanical vibration, adapting to the harsh operating conditions of various mobile and industrial equipment.
This pump range supports a variety of customized structural variants, including modified through-drive configurations and custom shaft/spline designs purpose-built to pair with customer-assembled planetary gear reducers and integrated hydraulic transmission assemblies. Custom versions can be engineered to eliminate conventional intermediate components, directly engaging with matched gear sets of peripheral drive systems via dedicated spline profiles and tooth configurations. They are ideal for hydraulic systems with limited installation space, or equipment adopting integrated modular and lightweight design concepts, including e-hydraulic power module applications in electrified construction machinery.
Core Advantages
1. Integrated Structure Design - An Ideal Choice For Integrated Drive & Electrified Systems
Danfoss JRRS Series Hydraulic Piston Pump JRRS45 / JRRS51 / JRRS60 / JRRS75 adopts optimized integrated structure design, which is a dedicated configuration for integrated drive and electrified hydraulic systems:
Integrated connecting structure: Custom spline and shaft end design are adopted. External radial loads are shared by the matching motor or reducer assembly on the user's equipment; Direct integration with gear reducers & drive motors: The pump can be directly mounted to planetary gearboxes or drive motor assemblies without additional support bearings or couplings, perfectly matching the eHydraulic power module; Compact axial dimension: The streamlined pump body greatly shortens the overall axial length, making it particularly suitable for equipment with extremely limited installation space; Easy installation: Standard SAE heavy-duty mounting dimensions and multi-bolt fixed flange layout enable seamless matching with user equipment and ensure excellent concentricity during operation. Besides, the built-in through-drive shaft supports multi-pump tandem installation, further expanding system configuration flexibility.
2. JRRS Series - High Performance Open Circuit Axial Piston Hydraulic Pump
The Danfoss JRRS Series stands for premium high-performance axial piston hydraulic pumps for open circuits in Danfoss' product lineup:
High power density: Delivers stable high flow and high-pressure output within a compact housing. JRRS45, JRRS51 and JRRS60 feature 310 bar continuous working pressure and JRRS75 features 260 bar continuous working pressure, with all models reaching a maximum peak pressure of 400 bar; Advanced swash plate & cylinder block assembly: Equipped with optimized swash plate bearings and reinforced 9-piston cylinder block structure, it achieves higher mechanical efficiency and strong resistance to shock and vibration; High-stability valve plate flow distribution technology: The high-rigidity valve plate effectively prevents cylinder block tilting, features automatic wear compensation, maintains excellent volumetric efficiency (≥95%) in long-term operation and reduces pressure loss effectively; Harsh condition adaptability: Capable of working stably under rated continuous pressure and 400 bar peak pressure, adapting to hydraulic oils of different viscosities and frequent displacement adjustment. It performs reliably on construction, mining, marine, road and agricultural machinery under severe working conditions.
1. Can you provide quality certification for Danfoss hydraulic pumps and motors?
Yes. We can supply formal test reports and actual running test videos for all Danfoss hydraulic pumps and motors to verify product performance and
quality.
2. Are your Danfoss parts original new products?
All items are 100% brand new original genuine parts. A large number of mainstream models are available in stock for fast delivery.
3. Can you adjust stock units to fit my working condition?
Sure. We can modify in-stock Danfoss pumps or motors according to your site parameters to achieve perfect matching and normal operation.
4. Do you support discontinued Danfoss model replacement service?
We offer professional matching selection scheme and compatible replacement solution for obsolete stopped production models.
5. How fast can I get my ordered hydraulic components?
In-stock models can be shipped out within short time. Custom modified products will be finished and delivered efficiently.
6. Is it hard to replace old Danfoss hydraulic motor or pump?
We will recommend the most compatible replacement model and offer technical guidance for easy installation and replacement.
7. What guarantee can you offer on product stability?
All original parts own stable performance. Complete test data and videos can be provided before shipment for your confirmation.
8. Can you help me confirm the correct model for my machine?
We support professional model selection, stock modification and discontinued model upgrade solution to meet your equipment demands.
Main Specifications
(一)JRRS45 series
JRRS45BPC25NNNNN3C3REA8NNNNJJJP00
JRRS45BLS1911NNN3C2NHA8NNNNJJJNNN
JRRS45BPC20NNNNN3K4NEA9NNNNJJJNNN
JRRS45BBB3121NNN3K4NVA8NFFFJJJNNN
JRRS45BBP3120NNN3S1CFA2NFFFJJJNNN
JRRS45BRP2620NNN3S1RFA2NFFFJJJNNN
JRRS45BLS2825NNN3C3AEA8NNNNJJJBNR
JRRS45BLS2320NNN3C2NZA8NFFFJJJNNN
JRRS45BLS2720NNF3C3N9A8NNNNJJJNNN
JRRS45BPC20NNNNN3S1RFA2NFFFJJJNNN
JRRS45BPC20NNNNN3C2RFA8NFFFJJJNNN
JRRS45BLS1720NNN3C2NVA8NFFFJJJNNN
JRRS45BLS2320NNN3S1BEA2NNNNJJJNNN
JRRS45BLS2025NNN3C3N9A8NNNNJJJNNN
JRRS45BBB3130NNN3S1NZA2NFFFJJJNNN
JRRS45BLB2520NNN3C3NVA8NFFFJJJNNN
JRRS45BBB3120NNN3S1CEA2NNNNJJJNNN
JRRS45BBB3120NNN3C3REA8NNNNJJJNNN
JRRS45BBS3120NNN3C3AEA8NNNNJJJNNN
JRRS45BBS3120NNN3C3NEA8NNNNJJJNNN
JRRS45BBS3120NNN3C3AEA9NNNNJJJNNN
JRRS45BLB2520NNN3K4NZA8NFFFJJJNNN
JRRS45BLS1925NNN3C2AEA8NNNNJJJNNN
JRRS45BLS2020NNN3K4NZA2NFFFJJJNNN
JRRS45BLS2022NNN3C2NEA8NNNNJJJNNN
JRRS45BLS2420NNN3C2NHA8NNNNJJJNNN
JRRS45BLS2520NNN3K4REA8NNNNJJJNNN
JRRS45BLS2620NNN3C2NEA8NNNNJJJNNN
JRRS45BLS2820NNN3C2NZA8NFFFJJJNNN
JRRS45BLS2820NNN3S1BEA2NNNNJJJNNN
JRRS45BPC25NNNNN3C2BEA8NNNNJJJNNN
JRRS45BLS2120NNN3C2REA8NNNNJJJNNN
JRRS45BLS2820NNN3C2RFA8NFFFJJJNNN
JRRS45BLS1720NNN3S1NHA2NNNNJJJNNN
JRRS45BLS1724NNN3C2BEA8NNNNJJJNNN
JRRS45BLS1820NNN3C2NHA8NNNNJJJNNN
JRRS45BLS2018NNN3S1CEA8NNNNJJJNNN
JRRS45BLS2020NNN3C2NEA8NNNNJJJNNN
JRRS45BLS2020NNN3C2NHA8NNNNJJJNNN
JRRS45BLS2020NNN3C2N9A8NNNNJJJNNN
JRRS45BLS2020NNN3C2RFA2NFFFJJJNNN
JRRS45BLS2020NNN3C3BEA8NNNNJJJNNN
JRRS45BLS2020NNN3C3N9A8NNNNJJJNNN
JRRS45BLS2520NNN3S1NEA2NNNNJJJNNN
JRRS45BPC28NNNNN3C2NEA8NNNNJJJNNN
JRRS45BLS2525NNN3S1NEA2NNNNJJJNNN
JRRS45BRP1820NNN3C3N9A8NNNNJJJNNN
JRRS45BPC19NNNNN3C3N9A8NNNNJJJNNN
JRRS45BLS2220NNN3K4AEA8NNNNJJJNNN
JRRS45BLS2110NNN3S1VEA2NNNNJJJNNN
JRRS45BLS1720NNN3S1BEA2NNNNJJJNNN
JRRS45BPC23NNNNN3S1NEA2NNNNJJJNNN
JRRS45BLS1720NNN3S1N9A2NNNNJJJNNN
JRRS45BRP2520NNN3C3VFA8NFFFJJJNNN
JRRS45BLS2020NNN3K4RFA2NFFFJJJNNN
JRRS45BLS2020NNN3K4RFA8NFFFJJJNNN
JRRS45BPC23NNNNN3K4RFA8NFFFJJJNNN
JRRS45BRP2020NNN3K4RFA2NFFFJJJNNN
JRRS45BRP2020NNN3K4RFA8NFFFJJJNNN
JRRS45BLS2520NNN3K4RFA8NFFFJJJNNN
JRRS45BPC16NNNNN3K4RFA8NFFFJJJNNN
JRRS45BLS2110NNN3C3AEA8NNNNJJJNNN
JRRS45BLS2825NNN3C3AEA8NNNNJJJNNN
JRRS45BLS2012NNN3C3AEA8NNNNJJJNNN
(二)JRRS51 series
JRRS51BRP2120NNN3S1RFA2NFFFJJJNNN
JRRS51BLS2520NNN3C3N9A2NNNNJJJNNN
JRRS51BBS3120NNN3S1BEA2NNNNJJJNNN
JRRS51BLS2820NNN3C2RFA8NFFFJJJNNN
JRRS51BBS3120NNN3C3NEA2NNNNJJJNNN
JRRS51BBS3220NNN3S1NHA2NNNNJJJNNN
JRRS51BLS2520NNN3K4N9A9NNNNJJJNNN
JRRS51BLS1814NNN3C2NEA8NNNNJJJNNN
JRRS51BPC21NNNNN3C2BFA8NFFFJJJNNN
JRRS51BLS2220NNN3C3TEA8NNNNJJJNNN
JRRS51BPC25NNNNN3C3NEA8NNNNJJJNNN
JRRS51BLS2120NNN3C3NHA9NNNNJJJNNN
JRRS51BLS1920NNN3K4NHA2NNNNJJJNNN
JRRS51BLS2320NNE3S1BEA8NNNNJJJNNN
JRRS51BLS1720NNN3C2NVA8NFFFJJJNNN
JRRS51BLS1720NNN3C2NEA8NNNNJJJNNN
JRRS51BLS2320NNN3S1VEA2NNNNJJJNNN
JRRS51BLS2820NNN3C2HEA8NNNNJJJNNN
JRRS51BLS2520NNN3C2NVA8NFFFJJJNNN
JRRS51BLS2820NNN3S1AEA2NNNNJJJNNN
JRRS51BLS2820NNN3C2NEA8NNNNJJJNNN
JRRS51BLS2520NNN3K4N9A2NNNNJJJNNN
JRRS51BPC25NNNNN3S1BEA2NNNNJJJNNN
JRRS51BLS2520NNN3S1REA2NNNNJJJNNN
JRRS51BRP2120NNN3K4CFA8NFFFJJJNNN
JRRS51BLS2120NNE3S1CEA9NNNNJJJNNN
JRRS51BPC20NNNNN3C2REA8NNNNJJJNNN
JRRS51BPC20NNNNN3S1RFA2NFFFJJJNNN
JRRS51BBS3122NNN3S1AEA2NNNNJJJNNN
JRRS51BLS2820NNN3C3BEA8NNNNJJJNNN
JRRS51BRP2220NNN3S1CEA2NNNNJ
JRRS51BRP2120NNN3S1BEA2NNNNJJJNNN
JRRS51BLS2520NNN3S1AEA2NNNNJJJNNN
JRRS51BLS2520NNN3S1NEA2NNNNJJJNNN
JRRS51BLS2120NNN3C2TEA8NNNNJJJNNN
JRRS51BLS2820NNN3S1BEA2NNNNJJJNNN
JRRS51BLS1722NNN3C2NEA8NNNNJJJNNN
JRRS51BBB3120NNN3C3N9A8NNNNJJJNNN
JRRS51BLS2520NNN3C2N9A8NNNNJJJNNN
(三)JRLS51 series
JRLS51BLS2020NNN3C3NEA8NNNNJJJNNN
JRLS51BLS2020NNN3C3NVA8NFFFJJJNNN
JRLS51BLS2320NNN3S1NEA2NNNNJJJNNN
JRLS51BLS2320NNE3S1BEA8NNNNJJJNNN
JRLS51BLS2020NNN3S1N9A9NNNNJJJNNN
JRLS51BLS2020NNN3S1NEA2NNNNJJJNNN
JRLS51BLS2220NNN3C2N9A8NNNNJJJNNN
JRLS51BLS2520NNN3S1AEA2NNNNJJJNNN
JRLS51BPC10NNNNN3K4BEA8NNNNJJJNNN
JRLS51BLS2020NNN3C3N9A8NNNNJJJNNN
JRLS51BLS2010NNN3C3NEA8NNNNJJJNNN
JRLS51BPC21NNNNN3C3BEA8NNNNJJJNNN
JRLS51BLS1717NNN3K4NHA8NNNNJJJNNN
JRLS51BTG3120NNNCC3NVA2RFFFANSNNN
JRLS51BLS2820NNN3C2AEA8NNNNJJJNNN
JRLS51BSC26NNNNREC3NXA8NNNNJJJNNN
JRLS51BBB3126NNN3C2N9A8NNNNJJJNNN
JRLS51BLS2820NNN3C2NVA8NFFFJJJNNN
JRLS51BLS2020NNN3C2N9A8NNNNJJJNNN
JRLS51BLS2120NNN3C2NEA8NNNNJJJNNN
JRLS51BLS2020NNN3C3VEA8NNNNJJJNNN
JRLS51BLS1515NNN3C2AEA9NNNNJJJNNN
JRLS51BBS3225NNF3S1AEA2NNNNJJJNNN
JRLS51BPC24NNNNN3C2BEA8NNNNJJJNNN
JRLS51BLS2520NNN3C2BEA8NNNNJJJNNN
JRLS51BPC26NNNNN3S1NEA9NNNNJJJNNN
JRLS51BBS3120NNF3C3NHA8NNNNJJJNNN
JRLS51BLS2520NNN3K4NEA2NNNNJJJNNN
JRLS51BPC21NNNNN3C3BFA8NFFFJJJNNN
JRLS51BBS3020NNN3S1NEA9NNNNJJJNNN
JRLS51BLS2424NNN3S1NEA2NNNNJJJNNN
JRLS51BLS1920NNN3S1AXA9NNNNJJJNNN
JRLS51BSD24NNNNRES1CEA2NNNNJJJNNN
JRLS51BPC21NNNNN3S1NEA2NNNNJJJNNN
JRLS51BLS2120NNN3C2N9A8NNNNJJJNNN
JRLS51BCL2820NNF3K4BEA2NNNNJJJNNN
JRLS51BLB2320NNN3C2BFA8NFFFJJJNNN
JRLS51BSD25NNNNRES1NVA2NFFFJJJNNN
(四)JRRS60 series
JRRS60BLS1720NNN3S1NEA2NNNNJJJNNN
JRRS60BLS1818NNN3S1N9A8NNNNJJJNNN
JRRS60BLS1820NNN3C2NHA8NNNNJJJNNN
JRRS60BLS1820NNN3C2N9A8NNNNJJJNNN
JRRS60BLS1820NNN3C2NZA8NFFFJJJNNN
JRRS60BLS1820NNN3C3NHA8NNNNJJJNNN
JRRS60BLS1820NNN3C3N9A8NNNNJJJNNN
JRRS60BLS1820NNN3C3NZA8NFFFJJJNNN
JRRS60BLS2015NNN3C2N9A8NNNNJJJNNN
JRRS60BLS2015NNN3C2NZA8NFFFJJJNNN
JRRS60BLS2020NNN3C2AEA8NNNNJJJNNN
JRRS60BLS2020NNN3C2NZA8NFFFJJJNNN
JRRS60BLS2020NNN3C3N9A8NNNNJJJNNN
JRRS60BLS2020NNN3S1AEA2NNNNJJJNNN
JRRS60BLS2020NNN3S1BEA2NNNNJJJNNN
JRRS60BLS2020NNN3S1BFA2NFFFJJJNNN
JRRS60BLS2020NNN3S1CEA2NNNNJJJNNN
JRRS60BLS2020NNN3S1N9A2NNNNJJJNNN
JRRS60BLS2020NNN3S1NZA2NFFFJJJNNN
JRRS60BLS2020NNN3S1NZA9NFFFJJJNNN
JRRS60BLS2020NNN3S1RFA2NFFFJJJNNN
JRRS60BLS2020NNN3T0N9A2NNNNJJJNNN
JRRS60BLS2024NNN3C2NEA8NNNNJJJNNN
JRRS60BLS2030NNN3S1BFA2NFFFJJJNNN
JRRS60BLS2120NNN3C2NEA8NNNNJJJNNN
JRRS60BLS2120NNN3C2NHA8NNNNJJJNNN
JRRS60BLS2120NNN3K4BEA8NNNNJJJNNN
JRRS60BLS2120NNN3K4N9A2NNNNJJJNNN
JRRS60BLS2120NNN3K4N9A8NNNNJJJNNN
JRRS60BLS2120NNN3S1BFA2NFFFJJJNNN
JRRS60BLS2125NNN3C2N9A8NNNNJJJNNN
JRRS60BLS2220NNN3C2N9A8NNNNJJJNNN
JRRS60BLS2227NNN3S1REA2NNNNJJJNNN
JRRS60BLS2515NNN3C3N9A8NNNNJJJNNN
JRRS60BLS2520NNN3C2N9A8NNNNJJJNNN
JRRS60BLS2520NNN3K4BEA2NNNNJJJNNN
JRRS60BLS2520NNN3S1RFA2NFFFJJJNNN
JRRS60BLS2530NNN3C2NEA8NNNNJJJNNN
JRRS60BLS2530NNN3S1NEA8NNNNJJJNNN
(五)JRLS60 series
JRLS60BLS2520NNN3C3REA8NNNNJJJNNN
JRLS60BPC25NNNNN3S1N9A2NNNNJJJNNN
JRLS60BLS1818NNN3C3BEA8NNNNJJJNNN
JRLS60BLS1818NNN3C3NEA8NNNNJJJNNN
JRLS60BLS2520NNN3C3AEA8NNNNJJJNNN
JRLS60BLS2520NNN3S1N9A2NNNNJJJNNN
JRLS60BLB2520NNN3S1CEA2NNNNJJJNNN
JRLS60BLS2520NNN3S1REA2NNNNJJJNNN
JRLS60BBB3021NNN3S1BEA2NNNNJJJNNN
JRLS60BBB3121NNN3S1RFA2NFFFJJJNNN
JRLS60BBS2920NNN3C2N9A8NNNNJJJNNN
JRLS60BBS2920NNN3S1N9A2NNNNJJJNNN
JRLS60BBS3025NNN3C2NZA8NFFFJJJNNN
JRLS60BBS3025NNN3C3NZA8NFFFJJJNNN
JRLS60BBS3114NNN3S1N9A2NNNNJJJNNN
JRLS60BBS3120NNN3C2BEA8NNNNJJJNNN
JRLS60BBS3120NNN3K4RFA9NFFFJJJNNN
JRLS60BBS3120NNN3S1N9A2NNNNJJJNNN
JRLS60BBS3124NNN3S1NZA2NFFFJJJNNN
JRLS60BBS3125NNN3C2AEA8NNNNJJJNNN
JRLS60BCR1720NNN3C2BEA8NNNNJJJNNN
JRLS60BCR2025NNN3S1CFA2NFFFJJJNNN
JRLS60BCR2110NNN3S1BEA2NNNNJJJNNN
JRLS60BCR2520NNN3S1CFA2NFFFJJJNNN
JRLS60BCR2520NNN3S1RFA2NFFFJJJNNN
JRLS60BLB2114NNN3C2NEA8NNNNJJJNNN
JRLS60BLB2420NNN3K4NEA8NNNNJJJNNN
JRLS60BLB2420NNN3S1N9A2NNNNJJJNNN
JRLS60BLB2520NNN3C2BEA8NNNNJJJNNN
JRLS60BLB2520NNN3C2NEA8NNNNJJJNNN
JRLS60BLB2720NNN3C3NEA8NNNNJJJNNN
JRLS60BLS1424NNN3K4NEA8NNNNJJJNNN
JRLS60BLS1520NNN3S1NEA2NNNNJJJNNN
JRLS60BLS1720NNN3C2BEA8NNNNJJJNNN
JRLS60BLS1720NNN3C2N9A8NNNNJJJNNN
JRLS60BLS1720NNN3C3NHA2NNNNJJJNNN
JRLS60BLS1720NNN3S1BEA2NNNNJJJNNN
JRLS60BLS1720NNN3S1CEA2NNNNJJJNNN
JRLS60BLS1720NNN3S1NEA2NNNNJJJNNN
(六)JRRS75 series
JRRS75CLS2830NNN3S1NEA2NNNNJJJNNN
JRRS75CFG2120NNN3S1JEA9NNNNJJJNNN
JRRS75CFG2120NNF3S1JEA9NNNNJJJNNN
JRRS75CFG1820NNF3C2NEA8NNNNJJJNNN
JRRS75CPC21NNNNN3S1NZA2NFFFJJJNNN
JRRS75CLS2214NNN3S1N9A2NNNNJJJNNN
JRRS75CLS2020NNN3S1N9A2NNNNJJJNNN
JRRS75CLS2020NNN3C2NZA8NFFFJJJNNN
JRRS75CLS2620NNF3S1N9A2NNNNJJJNNN
JRRS75CLS2620NNF3S1BEA2NNNNJJJNNN
JRRS75CLB2012NNE3C3BEA2NNNNJJJNNN
JRRS75CLS2520NNN3C2NEA8NNNNJJJNNN
JRRS75CLS2020NNN3C2AEA8NNNNJJJNNN
JRRS75CLS2020NNN3C2BEA8NNNNJJJNNN
JRRS75CLS2020NNN3C2REA8NNNNJJJNNN
JRRS75CLS2020NNN3S1BEA2NNNNJJJNNN
JRRS75CLS2020NNN3S1NEA2NNNNJJJNNN
JRRS75CLS2020NNN3S1REA2NNNNJJJNNN
JRRS75CLS2030NNN3C3NEA8NNNNJJJNNN
JRRS75CLS2120NNN3C2AEA8NNNNJJJNNN
JRRS75CLS2120NNN3C3N9A8NNNNJJJNNN
JRRS75CLS2130NNN3C3NHA8NNNNJJJNNN
JRRS75CLS2320NNN3C2N9A8NNNNJJJNNN
JRRS75CLS2320NNN3S1BEA2NNNNJJJNNN
JRRS75CLS2320NNN3S1NEA2NNNNJJJNNN
JRRS75CLS2425NNN3S1BEA2NNNNJJJNNN
JRRS75CLS2520NNN3C2NEA8NNNNJJJNNN
JRRS75CLS2520NNN3C3N9A8NNNNJJJNNN
JRRS75CLS2520NNN3K4JEA2NNNNJJJNNN
JRRS75CLS2520NNN3S1NEA2NNNNJJJNNN
JRRS75CLS2520NNN3S1N9A2NNNNJJJNNN
JRRS75CLS2520NNN3S1REA2NNNNJJJNNN
JRRS75CLS2620NNN3S1CEA2NNNNJJJNNN
JRRS75CPC15NNNNN3C3AFA2NFFFJJJNNN
JRRS75CRP2120NNN3K4REA2NNNNJJJNNN
JRRS75CRP2520NNN3K4REA2NNNNJJJNNN
JRRS75CLS2520NNN3C3AEA8NNNNJJJNNN
JRRS75CLS1830NNN3S1N9A9NNNNJJJNNN
JRRS75CLS2020NNN3S1BFA2NFFFJJJNNN
JRRS75CRP2220NNN3S1NEA2NNNNJJJNNN
JRRS75CLS1720NNN3C2N9A8NNNNJJJNNN
JRRS75CLS1920NNN3C3REA8NNNNJJJNNN
JRRS75CLS2020NNN3C2NEA8NNNNJJJNNN
JRRS75CLB2520NNN3S1RFA2NFFFJJJNNN
JRRS75CLS1825NNN3S1AEA9NNNNJJJNNN
JRRS75CLS2520NNN3K4N9A2NNNNJJJNNN
(七)JRLS75 series
JRLS75CLS1030NNN3S1NEA8NNNNJJJNNN
JRLS75CLS1715NNN3S1NEA2NNNNJJJNNN
JRLS75CLS2225NNN3S1AEA2NNNNJJJNNN
JRLS75CPC21NNNNN3S1CEA2NNNNJJJNNN
JRLS75CLS2320NNN3S1AEA2NNNNJJJNNN
JRLS75CLS2520NNN3S1N9A9NNNNJJJNNN
JRLS75CLS2320NNN3S1NEA2NNNNJJJNNN
JRLS75CLS1715NNN3S1NEA2NNNNJJJNNN
JRLS75CLS2520NNN3S1AEA9NNNNJJJNNN
JRLS75CLS2520NNN3S1BEA2NNNNJJJNNN
JRLS75CLS1820NNN3S1N9A2NNNNJJJNNN
JRLS75CLS2020NNN3S1N9A2NNNNJJJNNN
JRLS75CLS2125NNN3S1NEA2NNNNJJJNNN
JRLS75CLS2620NNN3C2N9A8NNNNJJJNNN
JRLS75CPC25NNNNN3S1NEA2NNNNJJJNNN
JRLS75CLS2320NNN3S1NEA8NNNNJJJNNN
JRLS75CLS2120NNN3K4BEA2NNNNJJJNNN
JRLS75CLS2020NNN3C2NEA8NNNNJJJNNN
JRLS75CLS2225NNN3S1N9A2NNNNJJJNNN
JRLS75CLS2620NNN3S1RFA2NFFFJJJNNN
JRLS75CLS2320NNN3S1VFA2NFFFJJJNNN
JRLS75CLS2520NNN3T0CEA2NNNNJJJNNN
JRLS75CPC19NNNNN3S1BFA2NFFFJJJNNN
JRLS75CLS2420NNN3C2NHA8NNNNJJJNNN
JRLS75CLS2217NNN3C2BEA8NNNNJJJNNN
JRLS75CRP2420NNA3K4BEA2NNNNJJJNNN
JRLS75CRP2420NNA3S1NEA2NNNNJJJNNN
JRLS75CLS2120NNN3S1AEA9NNNNJJJNNN
JRLS75CLS2520NNN3C3BEA8NNNNJJJNNN
JRLS75CLS1520NNE3C3BEA9NNNNJJJNNN
JRLS75CRP2220NNN3S1TEA2NNNNJJJNNN
JRLS75CPC21NNNNN3S1VMA2NNNNJJJNNC
JRLS75CLS2620NNN3K4NVA2NFFFJJJNNN
JRLS75CPC21NNNNN3S1CEA2NNNNJJJNNN
1. Product Overview
The JRRS / JRLS series are high-performance axial variable piston pumps for open-circuit hydraulic systems, developed based on Danfoss S45 platform. This product line includes 4 major frame sizes: 45, 51, 60 and 75, widely used in mobile hydraulic fields such as construction machinery, agricultural equipment, mining machinery and petroleum machinery.
Brand: Danfoss (Denmark)
Product Type: Swash-plate axial variable piston pump (Exclusive for open circuit)
Rotation Definition: JRRS = Right-hand rotation; JRLS = Left-hand rotation; The subsequent alphanumeric codes represent displacement, control mode, mounting form, seal type and port configuration[18].
2. Model Code Explanation (Universal Rule)
Take JRRS45BLS2020NNN3C2NEA8NNNNJJJNNN as an example for full code definition:
| Code Segment | Meaning | Description |
|---|---|---|
| JRRS / JRLS | Series & Rotation | JRR = J-series open circuit pump; R = Right rotation; L = Left rotation; S = Standard housing |
| 45/51/60/75 | Basic frame size | Define pump frame and standard displacement range |
| BLS/BPC/CLS etc. | Structure & Control type | LS = Load Sensing; PC = Pressure Compensated; BP/BR = Constant Power; CL = High-flow variant |
| 2020/2520 etc. | Exact displacement | 2-digit group for actual displacement (cm³/r) & swash plate stroke |
| NNN/NNF/NNE | Auxiliary configuration | N = Standard; F = Special port / No charge pump; E = Special seal |
| 3C2/3K4/S1 | Pressure class & Control group | C = Standard pressure; K = High pressure; S1 = Proportional electric control |
| NEA/RFA/BEA | Valve group type | EA = Electric control valve; FA = Flow control valve; HA = Constant pressure valve |
| 8/2/9 | Port & shaft size | Corresponding to flange, shaft end and oil port dimensions |
| NNN/FFF/JJJ | Seal & Accessories | N = NBR standard seal; F = FKM high-temperature seal; J = Standard housing accessories |
3. General Technical Specifications (Metric & Imperial Units, Official Verified Data)
| Parameter | Technical Data | Remarks |
|---|---|---|
| Total Displacement Range | 25 ~ 147 cm³/r (1.53 ~ 8.97 in³/rev) | Cover full range of small, medium & large displacement[7] |
| Continuous Rated Pressure | 260 ~ 310 bar (3770 ~ 4495 psi) | 45/51/60: Max 310 bar; 75: 260 bar for large displacement durability[32] |
| Peak Intermittent Pressure | 400 bar (5800 psi) | All series unified peak pressure for transient shock load[12] |
| Maximum Permitted Speed | 3600 rpm | Normal operating speed: 2100 ~ 3200 rpm; ≤3000 rpm for heavy duty |
| Volumetric Efficiency | ≥ 95% | Optimized valve plate & swash plate design, low pressure loss & high efficiency |
| Operating Noise | ≤ 72 dB(A) | Integrated rigid housing for noise reduction, suitable for mobile quiet operation |
| Drive Mode | Through-drive shaft | Support multi-pump series connection for multi-actuator hydraulic systems |
| Hydraulic Fluid | Standard anti-wear hydraulic oil | Viscosity: 16 ~ 68 cSt; Fluid temperature: -20℃ ~ +80℃ (-4℉ ~ +176℉) |
| Mounting Type | Flange mount (Type A/B/C) | Multiple flanges & spline shafts compatible with mainstream mobile machinery |
| Seal Material | Standard NBR / Optional FKM | NBR (NNN): General ambient; FKM (FFF): High temperature & corrosion resistance |
4. Sub-series Detailed Specifications
(1) JRRS45 / JRLS45 (Basic Main Model)
Displacement range: 25 ~ 45 cm³/r
Rated pressure: 310 bar (High-pressure version) / 260 bar (Standard version)
Application: Mini excavators, loaders, sanitation vehicles, small agricultural machinery
Control options: Full coverage of Load Sensing, Pressure Compensated, Constant Power & Mechanical control[16]
(2) JRRS51 / JRLS51 (Medium Displacement Advanced Model)
Displacement range: 45 ~ 51 cm³/r
Rated pressure: 300 bar, Peak 400 bar
Optimization: Integrated Gerotor charge pump to improve low-pressure suction performance
Application: Medium construction machinery, concrete equipment, marine auxiliary hydraulic systems[22]
(3) JRRS60 / JRLS60 (Medium-large Displacement Model)
Displacement range: 51 ~ 60 cm³/r
Rated pressure: 310 bar, enhanced heavy-load stability
Special feature: T0 class low-temperature start & multi-gear flow regulation
Application: Concrete pump trucks, road rollers, mining tunneling equipment
(4) JRRS75 / JRLS75 (Large Displacement Model)
Displacement range: 60 ~ 75 cm³/r
Rated pressure: 260 bar (Derated design for longer service life under large flow)
Extended function: JEA/TEA special electric valves for remote proportional control
Application: Large loaders, pavers, industrial hydraulic stations, petroleum machinery[32]
5. Control Modes (Cover all models in the document)
Load Sensing (LS): Mainstream configuration, energy-saving by on-demand flow output (Suffix: BLS series);
Pressure Compensated (PC): Constant pressure output for voltage-stabilized systems (Suffix: BPC/CPC series);
Constant Power (BP/BRP): Torque limiting protection to prevent engine overload (Suffix: BBP/BRP series);
Electric Proportional Control (S1/K4): Stepless electric regulation for flow/pressure, dedicated for automatic systems (Code: 3S1/3K4);
Unloading Control (ZA): No-load unloading to reduce standby energy consumption (Code: NZA).
6. Product Advantages & Typical Applications
Core Advantages: Modular structure with high part interchangeability; Heavy-duty tapered roller bearings for long service life; Gasket-free design for low internal leakage; Support 24/7 continuous heavy-duty operation[34].
Typical Applications: Construction machinery, agricultural machinery, mining equipment, marine hydraulics, petroleum equipment, mobile hydraulic power units.
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