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Bosch Rexroth R986110088 (Series 52/53) is a direct OEM replacement for CAT 254-5147, engineered for reliable, compatible hydraulic performance with matched displacement and pressure capability.
Technical Specifications
Flow Performance
With a 45 cc displacement, the R986110088 delivers predictable volumetric output per revolution to support stable actuator and circuit response. Its flow capability is maintained across operating speeds up to 2600 RPM, supporting consistent system behavior under changing demand.
Efficiency & Durability
Designed for continuous operation at a nominal pressure of 3600 PSI with peak capability up to 4600 PSI, the unit supports high-load duty cycles without exceeding rated limits. Operation up to 2600 RPM enables maintained performance over a broad speed range while keeping hydraulic output consistent within the specified pressure envelope.
Installation
Built as an OEM-form replacement for CAT 254-5147, the R986110088 is intended to install as a direct replacement with standard mounting alignment. No modifications are required when replacing the original unit in the same configuration.
Features and Benefits
- 45 cc displacement: Provides a fixed 45 cc per revolution output characteristic for repeatable flow response and predictable circuit tuning.
- 3600 PSI nominal / 4600 PSI peak pressure rating: Supports continuous operation at 3600 PSI with transient peaks to 4600 PSI for load events without exceeding rated pressure limits.
- 2600 RPM maximum speed capability: Enables stable hydraulic output up to 2600 RPM to maintain responsiveness across a wide operating speed range.
Operational Information
Operate within the specified limits of 3600 PSI nominal pressure, 4600 PSI peak pressure, and up to 2600 RPM maximum speed to maintain expected performance. The 40 lb assembly is intended for standard hydraulic system environments where consistent output and repeatable operation are required.
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 Rexroth R986110088 replaces CAT 254-5147 in high-pressure mobile hydraulic pump applications.
- Hydraulic systems requiring 45cc/rev variable displacement flow control
- Circuits operating at 3600 PSI nominal pressure with load-dependent demand
- Closed-loop (hydrostatic) and open-circuit systems where variable output and efficient power control are required
- Mobile equipment pump drives up to 2600 RPM max speed
Common Applications
This Bosch Rexroth R986110088 is commonly used in:
- mobile hydraulics
- construction equipment
- agricultural machinery
- material handling equipment
- industrial hydraulic power units (HPUs)
Important: Verify mounting pattern, shaft type, rotation, control configuration, and port locations match the existing CAT 254-5147 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 R986110088, 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 rating, so selection primarily comes down to displacement (flow per revolution) and allowable speed for your duty cycle. If you’re comparing across other hydraulic pumps, confirm the control type and circuit requirements (open vs. closed loop) as well.
?? 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 |
|---|---|---|---|---|
| R986110088 | 45cc | 3600 PSI | 2600 | 52/53 |
| R986110121 | 28cc | 3600 PSI | 3000 | 52/53 |
| R986111126 | 74cc | 3600 PSI | 2600 | 52/53 |
| R986110684 | 100cc | 3600 PSI | 2300 | 52/53 |
| R986111536 | 100cc | 3600 PSI | 2300 | 52/53 |
Key Differences
Displacement
R986110088 is 45cc, with lower-displacement option R986110121 at 28cc and higher-displacement options at 74cc (R986111126) and 100cc (R986110684, R986111536); choose lower displacement when you need less flow per rev and higher displacement when you need more flow per rev at the same speed.
Pressure Rating
All compared models list 3600 PSI pressure, so pressure rating is not a differentiator within this set; for R986110088 specifically, confirm your system stays within its 3600 PSI nominal and 4600 PSI peak limits.
Speed
Maximum speed varies across the set (R986110121: 3000; R986110088: 2600; R986111126: 2600; R986110684/R986111536: 2300), so match the part to your prime mover speed and expected operating RPM.
Quick Selection Guide
Choose: R986110088
Because: When you need a 45cc displacement with 3600 PSI nominal (4600 PSI peak) capability and up to 2600 max speed to match the existing installation’s performance requirements.
Choose: Higher displacement model
Because: When your flow-per-revolution requirement is higher than 45cc—consider 74cc (R986111126) or 100cc (R986110684, R986111536)—and ensure the lower listed max speeds (2600 or 2300) fit your operating RPM.
Choose: Lower displacement model
Because: When you need less flow per revolution than 45cc—consider 28cc (R986110121)—and you want the higher listed max speed capability (3000) to better align with higher RPM operation.
Compatibility: If you’re sourcing similar piston pumps, verify mounting pattern, shaft configuration, and port sizes match your existing installation.
For application-specific guidance, contact our technical team. If your application calls for related configurations in this family, you may also want to compare R986111250 as an alternative option.
Bosch Rexroth R986110088 Axial Piston Variable Pump | Replaces CAT 254-5147 | 45cc | 3600 PSI
$3,033.00
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Expected delivery Oct 14 - Oct 20
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