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Bosch Rexroth R986110043 (Series 52/53) is a precision OEM replacement for CAT 215-5721, providing reliable hydraulic performance with direct compatibility and consistent output.
Technical Specifications
Flow Performance
With a 45 cc displacement, the R986110043 delivers predictable volumetric output per revolution for stable flow control across operating speeds. Rated up to 2600 max speed, it supports responsive system performance while maintaining repeatable flow characteristics under load.
Efficiency & Durability
Nominal pressure capability is 3600 PSI with peak pressure up to 4600 PSI, supporting high-load duty cycles without sacrificing control stability. Operation up to 2600 speed helps maintain performance across a wide operating envelope while reducing the risk of pressure-related performance drop in demanding conditions.
Installation
Designed as a direct replacement for CAT 215-5721, the R986110043 fits OEM mounting and connection requirements for straightforward installation. No modifications are required when replacing the original component in the same configuration.
Features and Benefits
- 45 cc displacement: Provides consistent displacement per revolution to support stable, repeatable flow output.
- 3600 PSI nominal / 4600 PSI peak pressure rating: Handles sustained high-pressure operation with capacity for short-duration peak load events.
- 2600 max speed capability: Supports fast response and reliable operation at elevated rotational speeds within rated limits.
Operational Information
Operate within the specified limits of 3600 PSI nominal, 4600 PSI peak, and up to 2600 max speed to maintain predictable performance. At approximately 40 weight, the component supports robust installation and stable operation in standard hydraulic service conditions.
Quality Assurance
Manufactured to Bosch Rexroth’s stringent quality standards with rigorous testing throughout the production process.
| Weight | 40.0 lbs |
|---|---|
| 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 R986110043 replaces CAT 215-5721 in axial piston variable pump hydraulic power unit and mobile equipment applications.
- Closed-loop or open-circuit hydraulic systems requiring 45cc displacement variable pumping
- Hydraulic circuits operating at 3600 PSI nominal pressure (up to system relief settings within pump rating)
- High-speed pump drive applications up to 2600 RPM for hydrostatic transmissions, implement hydraulics, and auxiliary circuits
Common Applications
This Bosch Rexroth R986110043 is commonly used in:
- construction and earthmoving equipment
- industrial hydraulic power units (HPUs)
- material handling equipment
- mining and aggregate equipment
- forestry equipment
Important: Verify mounting interface, shaft type, rotation, control configuration, and porting match the existing CAT 215-5721 installation before installation.
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 R986110043, 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 options share the same nominal pressure rating but vary primarily by displacement (flow capability) and slightly by maximum speed, making sizing dependent on required flow at operating RPM. If you are comparing options across your fleet, browse related hydraulic pumps to match performance and mounting requirements.
?? 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 |
|---|---|---|---|---|
| R986110043 | 45cc | 3600 PSI | 2600 | 52/53 |
| R986111195 | 85cc | 3600 PSI | 2500 | 52/53 |
| R986111246 | 74cc | 3600 PSI | 2600 | 52/53 |
| R986110087 | 74cc | 3600 PSI | 2600 | 52/53 |
| R986110090 | 71cc | 3600 PSI | 2600 | 52/53 |
Key Differences
Displacement
R986110043 is 45cc for lower flow needs, while the comparison parts range from 71cc to 85cc for higher flow at the same speed; choose higher displacement when you need more flow without increasing RPM.
Pressure Rating
All listed comparison models show 3600 PSI nominal pressure, matching R986110043’s 3600 PSI nominal rating; ensure your duty cycle also aligns with R986110043’s 4600 PSI peak requirement.
Speed
Maximum speed is 2600 for R986110043 and most alternatives, while R986111195 is 2500; if your application runs near 2600, confirm the selected part’s max speed meets your operating RPM.
Quick Selection Guide
Choose: R986110043
Because: When you need a 45cc displacement unit with 3600 PSI nominal pressure, 4600 PSI peak pressure capability, and up to 2600 max speed in a Series 52/53 replacement.
Choose: Higher displacement model
Because: When required flow exceeds what a 45cc displacement can provide, consider 71cc (R986110090), 74cc (R986111246 or R986110087), or 85cc (R986111195), keeping in mind the 85cc option lists a lower max speed (2500). For more options in this design type, see our piston pumps selection.
Choose: Lower pressure model
Because: When system operates at lower pressures for cost savings. If you need a different Series 52/53 configuration, related replacements like R986111250 may be a better fit depending on controls and mounting.
Compatibility: Verify mounting pattern, shaft configuration, and port sizes match your existing installation, and confirm displacement, pressure ratings (nominal and peak where applicable), and maximum speed align with your system requirements.
For application-specific guidance, contact our technical team.
Bosch Rexroth R986110043 Axial Piston Variable Pump | Replaces CAT 215-5721 | 45cc | 3600 PSI
$3,110.00
In stock
No sales tax
Expected delivery Jul 19 - Jul 23
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