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Bosch Rexroth R986110078 (Series 52/53) is a precision OEM replacement hydraulic component for CAT 235-2716, engineered for reliable, direct-fit performance under demanding pressure and speed conditions.
Technical Specifications
Flow Performance
With a 45 cc displacement, R986110078 delivers consistent volumetric output per revolution for predictable actuator response and controllable system behavior. The displacement supports stable flow characteristics across the operating range when driven up to 2600 max speed.
Efficiency & Durability
Rated for 3600 PSI nominal pressure with 4600 PSI peak capability, the component is designed to maintain performance under high-load transients without compromising control stability. Maximum speed of 2600 supports sustained operation while managing mechanical and hydraulic loading consistent with Series 52/53 design intent.
Installation
Designed as a direct OEM replacement for CAT 235-2716, R986110078 installs with OEM-compatible fitment and alignment. No modifications are required when replacing the original unit in the same mounting configuration.
Features and Benefits
- 45 cc displacement: Provides predictable output per revolution for repeatable system response and consistent flow behavior.
- 3600 PSI nominal / 4600 PSI peak pressure rating: Supports high-load operation and short-duration pressure spikes without requiring derating below the stated pressure limits.
- 2600 max speed capability (Series 52/53): Enables stable performance at higher rotational speeds to meet system demand while maintaining controlled operation.
Operational Information
Operate within the stated 3600 PSI nominal and 4600 PSI peak pressure limits and up to 2600 max speed to maintain consistent performance. Unit mass is 40 (as specified), supporting robust installation and stable operation in typical hydraulic duty cycles.
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
The Bosch Rexroth R986110078 axial piston variable pump replaces CAT 235-2716 in high-pressure mobile hydraulic system applications.
- Closed-loop hydrostatic drive circuits requiring 45cc displacement
- Open-circuit hydraulic pumps systems operating at 3600 PSI nominal pressure
- Variable-displacement pump applications supporting up to 2600 max speed, including load-sensing and pressure-compensated circuits
Common Applications
This Bosch Rexroth R986110078 is commonly used in:
- construction equipment (excavators, loaders, dozers)
- mining equipment
- forestry machinery
- material handling equipment
- heavy-duty mobile and off-highway vehicles
Important: Confirm mounting interface, shaft configuration, rotation, control type, and porting match the existing CAT 235-2716 installation before ordering.
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 R986110078, 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
Compare these Series 52/53 components primarily by displacement (flow per revolution) while confirming pressure and speed ratings align with your system limits. If you are evaluating alternatives across the same family of piston pumps, matching the control type and mounting interface is just as important as displacement.
?? 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 |
|---|---|---|---|---|
| R986110078 | 45cc | 3600 PSI | 2600 | 52/53 |
| R986110040 | 71cc | 3600 PSI | 2600 | 52/53 |
| R986111344 | 85cc | 3600 PSI | 2500 | 52/53 |
| R986110063 | 74cc | 3600 PSI | 2600 | 52/53 |
| R986110944 | 45cc | 3600 PSI | 2600 | 52/53 |
Key Differences
Displacement
R986110078 and R986110944 are 45cc options suited to the same displacement requirement, while R986110040 (71cc), R986110063 (74cc), and R986111344 (85cc) increase displacement for higher flow needs at the same speed.
Pressure Rating
All compared models list 3600 PSI nominal pressure; R986110078 also specifies a 4600 PSI peak pressure, which should be matched to system transient/peak conditions.
Speed
Most listed options are rated 2600 max speed; R986111344 is rated 2500, which may be a limiting factor if your machine operates near 2600.
Quick Selection Guide
Choose: R986110078
Because: When you need a 45cc displacement unit with 3600 PSI nominal / 4600 PSI peak capability and up to 2600 max speed in a Series 52/53 configuration.
Choose: Higher displacement model
Because: Choose R986110040 (71cc), R986110063 (74cc), or R986111344 (85cc) when your flow requirement calls for more displacement than 45cc while maintaining 3600 PSI nominal pressure (and confirm max speed, especially for the 2500-rated option).
Choose: Lower pressure model
Because: Not applicable within this comparison set, as all listed alternatives are rated 3600 PSI nominal; select based on displacement and speed instead.
Compatibility: Verify mounting pattern, shaft configuration, and port sizes match your existing installation. If you need help cross-referencing to other OEM replacements, consider related options like R986111250 depending on your machine and pump configuration.
For application-specific guidance, contact our technical team.
Bosch Rexroth R986110078 Axial Piston Variable Pump | Replaces CAT 235-2716 | 45cc | 3600 PSI
$3,033.00
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Expected delivery Oct 13 - Oct 19
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