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Bosch Rexroth R986111328 (Series 52/53) is a direct OEM replacement for CAT 510-8341, engineered to deliver compatible fit and consistent hydraulic performance in demanding duty cycles.
Technical Specifications
Flow Performance
With a 45 cc displacement, the R986111328 provides predictable output per revolution for stable actuator and motor control. Flow delivery scales linearly with input speed up to 2600 RPM, supporting consistent system response and repeatable machine behavior.
Efficiency & Durability
Rated for 3600 PSI nominal pressure and 4600 PSI peak pressure, the unit is built to maintain output under high load transients. Operation up to 2600 RPM supports sustained duty while preserving performance stability across speed and pressure changes.
Installation
Designed as an OEM-fit replacement for CAT 510-8341, the R986111328 installs as a direct interchange. Standard mounting and connection compatibility enables replacement without modifications.
Features and Benefits
- 45 cc displacement: Delivers consistent volume per revolution for predictable hydraulic output and controllable machine motion.
- 3600 PSI nominal / 4600 PSI peak rating: Supports continuous high-pressure operation with headroom for short-duration load spikes.
- 2600 RPM maximum speed capability: Maintains stable performance at higher operating speeds to support responsive system dynamics.
Operational Information
Intended for hydraulic systems operating up to 3600 PSI nominal with intermittent peaks to 4600 PSI and rotational speeds up to 2600 RPM. The 40 lb assembly is suited for applications requiring consistent output under varying load and speed conditions.
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 |
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 R986111328, 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
Within the 52/53 series, R986111328 is the lowest-displacement option in this group while maintaining the same nominal pressure and max speed as the compared parts.
?? 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 |
|---|---|---|---|---|
| R986111328 | 45cc | 3600 PSI | 2600 | 52/53 |
| R986110046 | 71cc | 3600 PSI | 2600 | 52/53 |
| R986111323 | 63cc | 3600 PSI | 2600 | 53 |
| R986110936 | 74cc | 3600 PSI | 2600 | 52/53 |
| R986111475 | 71cc | 3600 PSI | 2600 | 52/53 |
Key Differences
Displacement
R986111328 is 45cc, while the alternatives listed are higher displacement (63cc, 71cc, and 74cc); choose 45cc when you need lower flow per revolution, and choose higher displacement when your system requires more flow at the same speed.
Pressure Rating
All compared models list 3600 PSI nominal pressure, so pressure rating is not a differentiator among these options based on the provided data; confirm your system does not exceed the 3600 PSI nominal / 4600 PSI peak shown for R986111328.
Speed
All listed parts show a max speed of 2600, so speed is not a differentiator here; selection should primarily be driven by displacement/flow needs.
Quick Selection Guide
Choose: R986111328
Because: When you need 45cc displacement with 3600 PSI nominal pressure and 2600 max speed in a 52/53 series component.
Choose: Higher displacement model
Because: When flow requirements exceed what a 45cc displacement unit can provide at the same operating speed (consider 63cc, 71cc, or 74cc options listed).
Choose: Lower pressure model
Because: Not applicable with the provided comparison set, since all listed alternatives show 3600 PSI nominal pressure; select a lower-pressure-rated component only if your system operates at lower pressures and a verified lower rating is acceptable.
Compatibility: Verify mounting pattern, shaft configuration, port sizes, and the 52/53 series fitment match your existing installation, and confirm the required displacement and pressure ratings align with your system.
For application-specific guidance, contact our technical team.
Compatibility & Applications
Direct Replacement Information
This Bosch Rexroth R986111328 replaces CAT 510-8341 in closed-loop and open-loop hydrostatic drive applications.
- Hydraulic systems requiring 45cc displacement variable flow control (see our hydraulic pumps selection for related options)
- Circuits operating at 3600 PSI nominal pressure (up to 2600 max speed)
- Axial piston variable pump circuits for hydrostatic propulsion, fan drives, and implement hydraulics where variable displacement is used (browse piston pumps for similar designs)
Common Applications
This Bosch Rexroth R986111328 is commonly used in:
- construction equipment hydraulics
- mining and quarry machinery
- material handling equipment
- industrial power units and production machinery
Important: Verify mounting pattern, shaft configuration, control type, and port locations match the existing CAT 510-8341 installation before installation. If you are comparing related Rexroth replacements, you may also reference R986111250 for fitment review.
Bosch Rexroth R986111328 Axial Piston Variable Pump | Replaces CAT 510-8341 | 45cc | 3600 PSI
$3,033.00
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Expected delivery Oct 14 - Oct 20
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