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Bosch Rexroth R986110072 (Series 52/53) is a reliable OEM replacement hydraulic component for CAT 161-6634, engineered for consistent performance and direct compatibility in the original installation footprint.
Technical Specifications
Flow Performance
With a 74 cc displacement, the R986110072 delivers predictable hydraulic output across operating speeds up to 2600 RPM. The fixed displacement supports stable flow characteristics for repeatable system response. Built to OEM replacement expectations, it maintains consistent operation under continuous duty conditions.
Efficiency & Durability
Rated for 3600 PSI nominal pressure and 4600 PSI peak, this component is designed to sustain performance through demanding pressure cycles without sacrificing stability. Operation up to 2600 RPM supports reliable output across typical working ranges. The 52/53 series design targets long-term durability while maintaining consistent hydraulic performance at rated conditions.
Installation
Designed as a direct OEM replacement for CAT 161-6634, the R986110072 is intended to fit the original mounting and connection arrangement. Installation is straightforward and does not require modifications when replacing the specified OEM part.
Features and Benefits
- 74 cc displacement: Provides consistent, repeatable hydraulic output per revolution for stable system behavior.
- 3600 PSI nominal / 4600 PSI peak pressure capability: Supports reliable operation through high-load pressure demands while maintaining performance at rated limits.
- 2600 RPM maximum speed rating: Enables dependable performance across a wide operating speed range without exceeding rated limits.
Operational Information
Operate within the stated limits of 3600 PSI nominal (4600 PSI peak) and up to 2600 RPM to maintain reliable performance. The 52/53 series configuration is intended for consistent operation in demanding hydraulic duty cycles when kept within rated conditions.
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 |
Product Selection Guide
These Series 52/53 components are best compared by matching displacement first, then confirming pressure capability and allowable speed for your duty cycle. If you’re still narrowing down options, browse our piston pumps selection for similar variable-displacement units.
?? 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 |
|---|---|---|---|---|
| R986110072 | 74cc | 3600 PSI | 2600 | 52/53 |
| R986110632 | 74cc | 3600 PSI | 2600 | 52/53 |
| R986110070 | 45cc | 3600 PSI | 2600 | 52/53 |
| R986110081 | 71cc | 3600 PSI | 2600 | 52/53 |
| R986110117 | 28cc | 3600 PSI | 3000 | 52/53 |
Key Differences
Displacement
R986110072 and R986110632 match at 74cc for like-for-like flow; R986110081 (71cc) is slightly lower flow; R986110070 (45cc) and R986110117 (28cc) are lower-flow options when the system does not require 74cc output.
Pressure Rating
All listed comparison parts show 3600 PSI nominal pressure, aligning with R986110072’s 3600 PSI nominal rating; confirm your system requirements do not exceed the product’s nominal/peak limits.
Speed
R986110072 and most comparables list 2600 max speed; R986110117 lists 3000, which may suit higher-speed setups when the lower 28cc displacement meets flow needs.
Quick Selection Guide
Choose: R986110072
Because: When you need a Series 52/53 unit with 74cc displacement, 3600 PSI nominal pressure (4600 PSI peak), and 2600 max speed.
Choose: R986110632
Because: When you want the closest match to R986110072 based on identical 74cc displacement, 3600 PSI nominal pressure, and 2600 max speed.
Choose: R986110070 or R986110117
Because: When a lower displacement (45cc or 28cc) better matches reduced flow requirements; consider R986110117 specifically if a 3000 speed rating is needed and 28cc displacement is acceptable.
Compatibility: Verify mounting pattern, shaft configuration, and port sizes match your existing installation. For additional options across other configurations and duty cycles, see our full hydraulic pumps catalog.
For application-specific guidance, contact our technical team.
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 R986110072, 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
Compatibility & Applications
Direct Replacement Information
This Rexroth R986110072 replaces CAT 161-6634 in high-pressure closed-loop and open-circuit hydraulic system applications. If you’re evaluating alternate Rexroth build codes or adjacent displacements, R986111250 may be another reference point to compare mounting and control configurations.
- Hydraulic systems requiring 74cc displacement variable flow control
- Applications operating at 3600 PSI nominal pressure
- Circuits requiring up to 2600 max pump speed in axial piston variable pump configurations
- Hydrostatic drive loops, fan drive circuits, and implement/work function circuits using variable-displacement axial piston pumps
Common Applications
This Bosch Rexroth R986110072 is commonly used in:
- construction and earthmoving equipment
- mining and quarry equipment
- material handling machinery
- industrial power units and heavy production equipment
- forestry and agricultural machinery
Important: Verify mounting interface, shaft configuration, rotation, control type, and port locations match the existing CAT 161-6634 installation before ordering.
Bosch Rexroth R986110072 Axial Piston Variable Pump | Replaces CAT 161-6634 | 74cc | 3600 PSI
$4,570.00
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Expected delivery Oct 09 - Oct 15
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