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Bosch Rexroth R986111249 (Series 31*) is a reliable OEM replacement for CAT 373-6527, engineered for direct compatibility and consistent hydraulic performance in demanding duty cycles.
Technical Specifications
Flow Performance
With a 110 cc displacement, R986111249 delivers predictable, repeatable flow output across operating speeds up to 2200 RPM. The Series 31* design supports stable hydraulic response and consistent machine control, helping maintain reliable performance shift after shift.
Efficiency & Durability
Rated for 3600 PSI nominal pressure and 4600 PSI peak pressure, this unit is built to maintain performance under high-load transients without sacrificing operating stability. Its 2200 RPM maximum speed capability supports dependable operation across a wide working range while maintaining consistent output characteristics.
Installation
Designed as a direct OEM replacement for CAT 373-6527, R986111249 installs with OEM-fit compatibility and requires no modifications. Standard mounting and connection interfaces support straightforward integration into existing hydraulic systems.
Features and Benefits
- 110 cc displacement: Provides consistent volumetric output for predictable actuator speed and repeatable machine response.
- 3600 PSI nominal / 4600 PSI peak pressure rating: Supports reliable operation under continuous high-pressure work with capacity for short peak-load events.
- 2200 RPM maximum speed capability: Maintains stable performance across operating speeds while supporting responsive hydraulic control.
Operational Information
Optimized for high-pressure hydraulic service up to 3600 PSI nominal (4600 PSI peak) and speeds up to 2200 RPM, supporting reliable operation in demanding environments. Operate within the machine’s specified fluid cleanliness and temperature practices to maintain consistent performance and service stability.
Quality Assurance
Manufactured to Bosch Rexroth’s stringent quality standards with rigorous testing throughout the production process.
| Weight | 88.0 lbs |
|---|---|
| Dimensions | 20 × 20 × 15 in |
| Manufacturer | Bosch Rexroth |
| Pumps Max Pressure | 3600 PSI |
| Pumps Rated Speed | 2200 |
| Pumps Max Speed | 2200 |
| Pumps Displacement | 110cc |
| Pump Continuous Pressure | 3600 PSI |
| Pump Intermittent Pressure | 4600 PSI |
Compatibility & Applications
Direct Replacement Information
This Bosch Rexroth R986111249 replaces CAT 373-6527 in high-pressure mobile hydraulic pump applications.
- Closed-loop and open-loop hydraulic systems requiring 110cc displacement variable flow control
- Circuits operating at 3600 PSI nominal pressure for implement, travel, or auxiliary functions
- Axial piston variable pump applications up to 2200 RPM, including load-sensing and pressure-compensated systems
Common Applications
This Bosch Rexroth R986111249 is commonly used in:
- construction equipment hydraulic systems
- mobile hydraulics for earthmoving and material handling
- heavy-duty industrial hydraulic pumps and hydraulic power units where CAT 373-6527 is specified
Important: Verify mounting interface, shaft configuration, control type, and port orientation match the existing CAT 373-6527 installation before ordering.
Product Selection Guide
All listed 31* components share a 3600 PSI nominal pressure rating, so selection is primarily driven by displacement (flow output) and allowable operating speed across comparable piston pumps.
?? 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 |
|---|---|---|---|---|
| R986111249 | 110cc | 3600 PSI | 2200 | 31* |
| R986111054 | 74cc | 3600 PSI | 2600 | 52/53 |
| R986111417 | 28cc | 3600 PSI | 3000 | 52/53 |
| R986110713 | 74cc | 3600 PSI | 2600 | 52/53 |
| R986110036 | 45cc | 3600 PSI | 2600 | 52/53 |
Key Differences
Displacement
R986111249 is 110cc, providing higher flow per revolution than the 74cc, 45cc, and 28cc options; choose higher displacement when you need more flow at the same RPM, and lower displacement when you want finer control or reduced flow demand.
Pressure Rating
The compared models are listed at 3600 PSI nominal pressure; R986111249 also specifies a 4600 PSI peak pressure, so confirm your duty cycle and any peak events align with the component ratings.
Speed
R986111249 is rated to 2200 max speed, while the comparison parts list higher max speeds (2600–3000), which can matter if your prime mover or operating profile requires higher RPM capability.
Quick Selection Guide
Choose: R986111249
Because: When you need 110cc displacement with 3600 PSI nominal pressure capability and operation up to 2200 max speed (with 4600 PSI peak pressure requirement).
Choose: R986111054 or R986110713
Because: When a 74cc displacement is sufficient and you need a higher listed max speed (2600) while maintaining 3600 PSI nominal pressure.
Choose: R986110036 or R986111417
Because: When lower displacement (45cc or 28cc) better matches reduced flow requirements and you want higher listed max speed capability (2600–3000) at 3600 PSI nominal pressure.
Compatibility: Verify mounting pattern, shaft configuration, and port sizes match your existing installation. If you’re cross-referencing additional CAT replacements, related options like R986110076 may be relevant depending on displacement and control configuration.
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 R986111249, 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 (including alternatives such as R986110083 when applicable)
- 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
Bosch Rexroth R986111249 Axial Piston Variable Pump | Replaces CAT 373-6527 | 110cc | 3600 PSI
$5,699.00
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Expected delivery Oct 14 - Oct 20
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