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Bosch Rexroth R986110581 (Series 52/53) is a reliable OEM replacement for CAT 235-4110, engineered for direct compatibility and consistent hydraulic output in demanding duty cycles.
Technical Specifications
Flow Performance
With a 74 cc displacement, the R986110581 delivers predictable volumetric output per revolution to support stable actuator response and repeatable machine behavior. Its design supports consistent flow performance across operating conditions while maintaining dependable system control.
Efficiency & Durability
Rated for 3600 PSI nominal pressure and 4600 PSI peak pressure, this unit is built to sustain performance under high-load transients without compromising operational stability. A maximum speed of 2600 RPM supports reliable operation across typical machine speed ranges while helping maintain consistent hydraulic performance.
Installation
Designed as a direct OEM replacement for CAT 235-4110, the R986110581 installs with OEM-fit compatibility and requires no modifications. Standard mounting alignment supports straightforward integration into existing hydraulic assemblies.
Features and Benefits
- 74 cc displacement: Provides consistent displacement per revolution for stable, repeatable hydraulic output.
- 3600 PSI nominal / 4600 PSI peak pressure capability: Supports reliable operation under continuous load and short-duration pressure spikes within rated limits.
- 2600 RPM maximum speed: Maintains dependable performance across higher operating speeds while supporting responsive system operation.
Operational Information
Operate within the rated 3600 PSI nominal and 4600 PSI peak pressure limits and up to 2600 RPM maximum speed for consistent reliability. Proper system setup and clean hydraulic fluid help maintain stable performance over time.
Quality Assurance
Manufactured to Bosch Rexroth’s stringent quality standards with rigorous testing throughout the production process.
| Weight | 48.5 lbs |
|---|---|
| Dimensions | 15 × 15 × 15 in |
| Manufacturer | Bosch Rexroth |
| Pumps Max Pressure | 3600 PSI |
| Pumps Rated Speed | 2600 |
| Pumps Max Speed | 2600 |
| Pumps Displacement | 74cc |
| Pump Continuous Pressure | 3600 PSI |
| Pump Intermittent Pressure | 4600 PSI |
Compatibility & Applications
Direct Replacement Information
This Rexroth R986110581 replaces CAT 235-4110 in closed-loop and open-circuit mobile hydraulic pump applications.
- Hydraulic systems requiring 74cc displacement variable flow control
- Circuits operating at 3600 PSI nominal pressure with load-sensing or pressure-compensated control
- Axial piston variable pump circuits up to 2600 max speed for hydrostatic drive, implement, and auxiliary hydraulic functions
Common Applications
This Bosch Rexroth R986110581 is commonly used in:
- construction and earthmoving equipment
- mining and quarry equipment
- material handling machinery
- industrial hydraulic power units
- production and process equipment
Important: Verify mounting interface, shaft configuration, rotation, and porting match the existing CAT 235-4110 installation and system control requirements.
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 R986110581, 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
Within the Bosch Rexroth 52/53 series options listed, R986110581 is the higher-displacement choice (74cc) compared to the 60cc, 71cc, and 28cc alternatives while maintaining the same nominal pressure rating shown across the group. If you’re comparing other hydraulic pumps for similar mobile equipment circuits, confirm displacement, controls, and mounting details before ordering.
?? 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 |
|---|---|---|---|---|
| R986110581 | 74cc | 3600 PSI | 2600 | 52/53 |
| R986111114 | 60cc | 3600 PSI | 2600 | 52 |
| R986110064 | 60cc | 3600 PSI | N/A | 52 |
| R986110939 | 71cc | 3600 PSI | 2600 | 52/53 |
| R986110125 | 28cc | 3600 PSI | 3000 | 52/53 |
Key Differences
Displacement
R986110581 (74cc) provides higher displacement than R986110939 (71cc), R986111114/R986110064 (60cc), and R986110125 (28cc); choose higher displacement when you need more flow per revolution, and lower displacement when you need less flow per revolution. For more options in this style of design, browse our piston pumps selection.
Pressure Rating
All compared models list 3600 PSI pressure, and R986110581 additionally specifies a 4600 PSI peak pressure; match nominal/peak pressure requirements to your system to avoid under-rating the component.
Speed
R986110581, R986111114, and R986110939 list 2600 max speed, while R986110125 lists 3000 and R986110064 is N/A; verify the required operating speed is within the stated limit (or confirm the missing rating) before selecting.
Quick Selection Guide
Choose: R986110581
Because: When you need 74cc displacement with 3600 PSI nominal pressure, 4600 PSI peak pressure, and up to 2600 max speed in a 52/53 series component.
Choose: Higher displacement model
Because: When flow requirements exceed what a 74cc displacement unit can provide at your available operating speed (select from available higher-displacement options within the correct series and ratings), including related models such as R986111250.
Choose: Lower pressure model
Because: When your system operates at lower pressures than 3600 PSI nominal and a lower-rated component is acceptable for your design requirements (not represented in the models listed here).
Compatibility: Verify mounting pattern, shaft configuration, and port sizes match your existing installation. If you’re also cross-referencing adjacent Rexroth builds, you may want to compare against nearby configurations like R986111344 to confirm control and interface details.
For application-specific guidance, contact our technical team.
Bosch Rexroth R986110581 Axial Piston Variable Pump | Replaces CAT 235-4110 | 74cc | 3600 PSI
$4,460.00
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Expected delivery Oct 13 - Oct 19
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