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Bosch Rexroth R986110055 (Series 52/53) is a reliable OEM replacement for CAT 235-4109, built to match fit and deliver consistent hydraulic performance under demanding duty cycles.
Technical Specifications
Flow Performance
With a 74 cc displacement, the R986110055 provides predictable, repeatable flow output aligned with Series 52/53 operating characteristics. Its design supports stable hydraulic response across the operating range to help maintain consistent machine function. This displacement profile is well-suited for applications that require dependable flow delivery without variability.
Efficiency & Durability
Rated for 3600 PSI nominal pressure and 4600 PSI peak pressure, this unit is engineered to sustain performance under high-load conditions without sacrificing reliability. A maximum speed of 2600 supports dependable operation across typical working RPM ranges while maintaining consistent output characteristics. These ratings help preserve hydraulic performance when pressure spikes or sustained loads occur.
Installation
Designed as a direct OEM replacement for CAT 235-4109, the R986110055 matches standard mounting and connection expectations for straightforward installation. It is intended to install without modifications when replacing the specified OEM component.
Features and Benefits
- 74 cc displacement: Delivers consistent, repeatable flow output per revolution for stable hydraulic response.
- 3600 PSI nominal / 4600 PSI peak pressure capability: Maintains reliable operation under high working pressure and tolerates short-duration pressure spikes.
- 2600 max speed rating: Supports dependable performance across higher operating speeds while maintaining consistent hydraulic output.
Operational Information
Operate within the rated 3600 PSI nominal pressure and up to 4600 PSI peak, and do not exceed 2600 maximum speed to maintain reliability. Under these limits, the Series 52/53 design is intended to provide stable, repeatable performance over sustained operating periods.
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 |
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 R986110055, 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 3600 PSI nominal pressure rating, so selection primarily comes down to displacement (flow per revolution) and the maximum allowable speed for your duty cycle.
?? 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 |
|---|---|---|---|---|
| R986110055 | 74cc | 3600 PSI | 2600 | 52/53 |
| R986110968 | 100cc | 3600 PSI | 2300 | 52/53 |
| R986110960 | 60cc | 3600 PSI | 2600 | 52 |
| R986111064 | 74cc | 3600 PSI | 2600 | 52/53 |
| R986111478 | 100cc | 3600 PSI | 2300 | 52/53 |
Key Differences
Displacement
R986110055 and R986111064 are 74cc options for matching an existing 74cc setup, while R986110960 (60cc) reduces flow per revolution and R986110968/R986111478 (100cc) increase flow per revolution when higher output is required.
Pressure Rating
All compared models list 3600 PSI nominal pressure, so pressure rating is not a differentiator within this group; ensure your system requirements align with the nominal rating of the unit selected.
Speed
R986110055, R986110960, and R986111064 are rated to 2600 max speed, while the 100cc options (R986110968 and R986111478) are rated to 2300, which may matter if your application runs at higher RPM.
Quick Selection Guide
Choose: R986110055
Because: When you need a 74cc Series 52/53 replacement with 3600 PSI nominal pressure and up to 2600 max speed to match the current unit’s core performance envelope.
Choose: Higher displacement model
Because: Choose R986110968 or R986111478 (100cc) when your required flow per revolution is higher than 74cc, and your operating speed is compatible with a 2300 max speed rating.
Choose: Lower displacement model
Because: Choose R986110960 (60cc) when you need lower flow per revolution than 74cc while maintaining the same 3600 PSI nominal pressure and up to 2600 max speed.
Compatibility: Verify mounting pattern, shaft configuration, and port sizes match your existing installation.
For application-specific guidance, contact our technical team.
Compatibility & Applications
Direct Replacement Information
This Rexroth R986110055 replaces CAT 235-4109 in closed-loop and open-circuit mobile hydraulic applications.
- Hydraulic systems requiring 74cc displacement variable-flow control (see other piston pumps for related options)
- Circuits operating at 3600 PSI nominal pressure with load-sensing or pressure-compensated control strategies
- Axial piston variable pump circuits for hydrostatic drive, implement hydraulics, and auxiliary work functions up to 2600 max speed
Common Applications
This Bosch Rexroth R986110055 is commonly used in:
- construction equipment (excavators, loaders, dozers)
- mining equipment
- forestry machinery
- heavy-duty off-highway vehicles
If you’re comparing other hydraulic pumps for similar mobile equipment platforms, our team can help cross-reference by displacement, control type, and mounting details.
Important: Verify mounting pattern, shaft configuration, rotation, control type, and port locations match the existing CAT installation before installation.
Bosch Rexroth R986110055 Axial Piston Variable Pump | Replaces CAT 235-4109 | 74cc | 3600 PSI
$4,460.00
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Expected delivery Oct 09 - Oct 15
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