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Bosch Rexroth R986110669 (Series 52/53) is a precision OEM replacement hydraulic component for CAT 257-6254, engineered for reliable fit and consistent 45 cc displacement performance under rated pressure.
Technical Specifications
Flow Performance
With a 45 cc displacement, R986110669 delivers predictable volumetric output per revolution for stable hydraulic response across operating speeds. The design supports controlled flow generation up to 2600 max speed, helping maintain repeatable actuator and drive performance within the system’s pressure limits.
Efficiency & Durability
Rated for 3600 PSI nominal pressure with 4600 PSI peak capability, the component is built to sustain performance under high-load hydraulic conditions. Operation up to 2600 max speed supports demanding duty cycles while maintaining consistent output characteristics within the specified pressure envelope.
Installation
Designed as a direct OEM replacement for CAT 257-6254, R986110669 provides OEM-fit compatibility for standard installation. Intended to install without modifications when replacing the specified OEM part.
Features and Benefits
- 45 cc displacement: Provides consistent displacement per revolution for predictable hydraulic output and repeatable system response.
- 3600 PSI nominal / 4600 PSI peak pressure rating: Supports sustained operation at 3600 PSI with short-duration load handling up to 4600 PSI.
- 2600 max speed capability: Enables stable operation across a wide speed range up to 2600 for responsive hydraulic performance.
Operational Information
Operate within the specified 3600 PSI nominal and 4600 PSI peak pressure limits and up to 2600 max speed to maintain expected output stability. The 40 weight component is intended for consistent performance under standard hydraulic operating conditions when installed as the OEM replacement.
Quality Assurance
Manufactured to Bosch Rexroth’s stringent quality standards with rigorous testing throughout the production process.
| Weight | 40.0 lbs |
|---|---|
| Dimensions | 10 × 10 × 10 in |
| Manufacturer | Bosch Rexroth |
| Pumps Max Pressure | 3600 PSI |
| Pumps Rated Speed | 2600 |
| Pumps Max Speed | 2600 |
| Pumps Displacement | 45cc |
| Pump Continuous Pressure | 3600 PSI |
| Pump Intermittent Pressure | 4600 PSI |
Compatibility & Applications
Direct Replacement Information
This Bosch Rexroth R986110669 replaces CAT 257-6254 in mobile hydraulic axial piston variable pump applications.
- Closed-loop or open-circuit hydraulic systems requiring 45cc displacement variable flow
- Hydraulic circuits operating at 3600 PSI nominal pressure
- High-speed pump drive applications up to 2600 max speed for hydrostatic drive, implement, or auxiliary functions
Common Applications
This Bosch Rexroth R986110669 is commonly used in:
- mobile hydraulics
- construction equipment
- compact track loaders and skid steer loaders
- agricultural machinery
- material handling equipment
Important: Verify mounting interface, shaft type, rotation, and port configuration match the existing CAT 257-6254 installation before use. If you’re comparing options across hydraulic pumps, confirm your circuit type (open vs. closed loop) and required control configuration.
Purchasing Information
Availability & Delivery
Most Bosch Rexroth replacement parts ship within 1-3 business days. Custom or special-order items may require additional lead time.
For current availability on R986110669, call (800) 823-4937.
Warranty & Protection
- Standard Warranty: 18 months from date of shipment or 12 months from date placed in service, whichever occurs first
- Coverage: Defects in material and workmanship under normal operating conditions
- Remedy: Repair, replacement, or credit at seller’s option
- Conditions: Product must be used per manufacturer specifications and documentation
Ordering Options
Contact our sales team for pricing and availability. Volume discounts may be available for larger orders.
We accept purchase orders from established accounts. New customers may require prepayment or credit approval.
Support & Documentation
- Technical specifications and datasheets available upon request
- Cross-reference assistance for OEM part identification
- Application engineering support for system integration
- Returns accepted within 30 days in unused, original condition
Questions? Call our specialists: (800) 823-4937 | Monday-Friday, 7 AM – 5 PM MST
Product Selection Guide
These Series 52/53 components share the same nominal pressure (3600 PSI) and max speed (2600), so selection is primarily driven by displacement (flow) and matching the exact replacement configuration. For more options in this family of piston pumps, compare displacement, control style, and mounting details.
?? Important: The specifications shown are for reference and comparison purposes. Always verify specifications with the official manufacturer documentation or contact our technical team before ordering to ensure compatibility with your application.
| Part Number | Displacement | Pressure | Max Speed | Series |
|---|---|---|---|---|
| R986110669 | 45cc | 3600 PSI | 2600 | 52/53 |
| R986110934 | 74cc | 3600 PSI | 2600 | 52/53 |
| R986110062 | 71cc | 3600 PSI | 2600 | 52/53 |
| R986110054 | 45cc | 3600 PSI | 2600 | 52/53 |
| R986110068 | 45cc | 3600 PSI | 2600 | 52/53 |
Key Differences
Displacement
R986110669 is 45cc; R986110934 (74cc) and R986110062 (71cc) provide higher displacement for higher flow at the same speed, while R986110054 and R986110068 match the 45cc displacement for like-for-like flow replacement.
Pressure Rating
All listed comparison models are rated at 3600 PSI nominal; the current product also lists a 4600 PSI peak pressure, so confirm your system’s required peak pressure capability when cross-referencing.
Speed
All listed models show the same max speed of 2600, so speed is not a differentiator within this comparison set.
Quick Selection Guide
Choose: R986110669
Because: When you need a Series 52/53, 45cc displacement unit with 3600 PSI nominal pressure and 2600 max speed, and you require the listed 4600 PSI peak pressure capability.
Choose: Higher displacement model
Because: Choose R986110934 (74cc) or R986110062 (71cc) when you need more flow than a 45cc unit can provide while keeping the same nominal pressure (3600 PSI) and max speed (2600). If you’re cross-referencing outside this table, related Rexroth options like R986111250 may be worth comparing by displacement and mounting configuration.
Choose: Lower pressure model
Because: None of the listed alternatives have a lower nominal pressure than 3600 PSI; if your system operates at lower pressures, select a different unit specifically rated for that requirement after confirming specifications.
Compatibility: Verify mounting pattern, shaft configuration, and port sizes match your existing installation, and confirm displacement, nominal/peak pressure requirements, and max speed align with your system.
For application-specific guidance, contact our technical team. If you have a different OEM cross-reference, we can also help compare alternatives such as R986111344.
Bosch Rexroth R986110669 Axial Piston Variable Pump | Replaces CAT 257-6254 | 45cc | 3600 PSI
$3,064.00
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Expected delivery Oct 13 - Oct 19
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