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Bosch Rexroth R986111070 (Series 52/53) is a precision OEM replacement for CAT 339-7808, delivering compatible hydraulic performance with consistent 45 cc displacement for reliable system operation.
Technical Specifications
Flow Performance
With a 45 cc displacement, R986111070 provides predictable flow output proportional to drive speed for stable actuator response. Flow delivery is maintained across the rated operating envelope up to 2600 max speed, supporting consistent hydraulic performance in demanding duty cycles.
Efficiency & Durability
Designed for continuous operation at 3600 PSI nominal pressure with capacity for 4600 PSI peak pressure, the unit maintains performance under high-load transients. Rated up to 2600 max speed, it supports sustained operation while preserving controlled output under varying pressure conditions.
Installation
Engineered as a direct replacement for CAT 339-7808, this Series 52/53 unit is intended to match OEM interface and fit. Installation is designed to require no modifications when replacing the original component.
Features and Benefits
- 45 cc displacement: Supports consistent, repeatable flow output per revolution for stable hydraulic response.
- 3600 PSI nominal / 4600 PSI peak pressure capability: Handles high working pressure with capacity for short-duration pressure spikes without requiring derating under nominal conditions.
- 2600 max speed rating: Enables high-speed operation to meet system flow demand while maintaining controlled performance within rated limits.
Operational Information
Operate within rated limits of 3600 PSI nominal pressure, 4600 PSI peak pressure, and up to 2600 max speed to maintain expected performance. Unit mass is 40, supporting stable installation and consistent operation when integrated into an OEM-equivalent hydraulic circuit.
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 |
Product Selection Guide
These Series 52/53 components share a 3600 PSI nominal pressure rating, so selection typically comes down to matching displacement (flow) and maximum speed requirements to your existing system.
?? 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 |
|---|---|---|---|---|
| R986111070 | 45cc | 3600 PSI | 2600 | 52/53 |
| R986111529 | 163cc | 3600 PSI | N/A | 52/53 |
| R986110074 | 71cc | 3600 PSI | 2600 | 52/53 |
| R986110067 | 74cc | 3600 PSI | 2600 | 52/53 |
| R986111536 | 100cc | 3600 PSI | 2300 | 52/53 |
Key Differences
Displacement
R986111070 is 45cc, while the comparison options range from 71cc and 74cc up to 100cc and 163cc; higher displacement is generally chosen when greater flow is required at a given speed, and lower displacement when the existing system is sized for lower flow.
Pressure Rating
All listed comparison models are rated at 3600 PSI nominal pressure, matching R986111070’s nominal rating; R986111070 also lists a 4600 PSI peak pressure, so confirm any replacement meets your system’s peak-pressure needs.
Speed
R986111070 is rated to 2600 max speed; R986110074 and R986110067 also list 2600, R986111536 lists 2300, and R986111529 is not specified (N/A), so verify speed capability when substituting.
Quick Selection Guide
Choose: R986111070
Because: When you need the 45cc displacement with 3600 PSI nominal (4600 PSI peak) capability and up to 2600 max speed in a Series 52/53 replacement.
Choose: Higher displacement model
Because: When your required displacement (flow) is higher than 45cc—consider 71cc (R986110074), 74cc (R986110067), 100cc (R986111536), or 163cc (R986111529) based on the flow increase needed and any speed constraints.
Choose: Lower pressure model
Because: When the system operates at lower pressures for cost savings.
Compatibility: Verify mounting pattern, shaft configuration, and port sizes match your existing installation.
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 R986111070, 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 R986111070 replaces CAT 339-7808 in closed- and open-loop hydraulic system applications. If you’re comparing other hydraulic pumps, confirm the control type and interface details match your machine requirements.
- Hydraulic systems requiring 45cc displacement variable flow control
- Circuits operating at 3600 PSI nominal pressure (high-pressure work circuits)
- Axial piston variable pump applications up to 2600 max speed, including load-sensing, pressure-compensated, and electrohydraulic control circuits
Common Applications
This Bosch Rexroth R986111070 is commonly used in:
- construction and earthmoving equipment hydraulic power units
- mobile equipment implement and auxiliary hydraulics
- industrial hydraulic power units for presses, fixtures, and clamping systems
Need to browse similar piston pumps for mobile and industrial applications? Northern Hydraulics can help cross-reference by displacement, control, and mounting.
Important: Verify mounting interface, shaft configuration, porting, control type, and rotation match the existing CAT 339-7808 installation before ordering. For related Series 52/53 options, you may also compare R986111250, R986111344, or R986111484 based on your machine’s flow and control requirements.
Bosch Rexroth R986111070 Axial Piston Variable Pump | Replaces CAT 339-7808 | 45cc | 3600 PSI
$3,033.00
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Expected delivery Oct 13 - Oct 19
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