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Bosch Rexroth R986111333 (Series 52) is a cost-effective OEM replacement for CAT 388-9642, built to deliver reliable hydraulic performance and direct-fit compatibility.
Technical Specifications
Flow Performance
With a 60 cc displacement, the R986111333 provides predictable flow output across the operating range to support consistent actuator and motor response. Its Series 52 design targets stable performance without added complexity, helping control operating costs while maintaining required hydraulic output.
Efficiency & Durability
Rated for 3600 PSI nominal pressure with 4600 PSI peak capability, this component maintains performance under demanding load conditions. Maximum speed up to 2600 supports responsive system operation while keeping the design within defined operating limits for long-term durability.
Installation
Designed as a direct OEM replacement for CAT 388-9642, the R986111333 matches the intended fit and interface for straightforward installation. It is intended to replace the original component without modifications.
Features and Benefits
- 60 cc displacement: Delivers consistent, repeatable flow characteristics for stable machine function and predictable control response.
- 3600 PSI nominal / 4600 PSI peak pressure rating: Supports continuous high-pressure operation with headroom for transient peak events without changing system settings.
- 2600 max speed capability: Enables fast hydraulic response within specified limits to maintain cycle performance under normal operating conditions.
Operational Information
Operate within the defined limits of 3600 PSI nominal, 4600 PSI peak, and up to 2600 speed to maintain reliable performance. The 48.5 weight and Series 52 configuration support stable operation when installed in the intended OEM replacement position.
Quality Assurance
Manufactured to Bosch Rexroth’s stringent quality standards with rigorous testing throughout the production process.
| Weight | 48.5 lbs |
|---|---|
| Dimensions | 15 × 15 × 15 in |
| Manufacturer | Bosch Rexroth |
| Pumps Max Pressure | 3600 PSI |
| Pumps Rated Speed | 2600 |
| Pumps Max Speed | 2600 |
| Pumps Displacement | 60cc |
| Pump Continuous Pressure | 3600 PSI |
| Pump Intermittent Pressure | 4600 PSI |
Compatibility & Applications
Direct Replacement Information
This Rexroth R986111333 replaces CAT 388-9642 in closed-loop and open-loop hydrostatic drive applications.
- Hydraulic systems requiring 60cc displacement variable-flow control
- Circuits operating at 3600 PSI nominal pressure with load-sensing or pressure-compensated control
- Hydrostatic transmission and pump-controlled actuator circuits up to 2600 max speed
Common Applications
This Bosch Rexroth R986111333 is commonly used in:
- construction equipment hydraulic drive systems
- mining machinery hydrostatic circuits
- forestry equipment hydraulic power units
Important: Confirm mounting interface, shaft type, rotation, and porting match the existing CAT 388-9642 installation for proper system fit.
Product Selection Guide
All listed Series 52 options share a 3600 PSI nominal pressure rating, so selection is primarily driven by displacement (flow) and maximum speed alignment with your existing setup.
?? 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 |
|---|---|---|---|---|
| R986111333 | 60cc | 3600 PSI | 2600 | 52 |
| R986111452 | 140cc | 3600 PSI | 2000 | 31* |
| R986110632 | 74cc | 3600 PSI | 2600 | 52/53 |
| R986110971 | 74cc | 3600 PSI | 2600 | 52/53 |
| R986111070 | 45cc | 3600 PSI | 2600 | 52/53 |
Key Differences
Displacement
R986111333 is 60cc; alternatives range from 45cc (R986111070) to 74cc (R986110632/R986110971) up to 140cc (R986111452), with higher displacement generally suited to higher flow requirements and lower displacement suited when less flow is needed.
Pressure Rating
All comparison models list 3600 PSI nominal pressure; R986111333 additionally specifies a 4600 PSI peak rating, so confirm your system’s peak pressure needs against the component’s peak capability.
Speed
Most options list 2600 max speed (R986111333, R986110632, R986110971, R986111070), while R986111452 lists 2000, so ensure the chosen unit meets your required operating speed.
Quick Selection Guide
Choose: R986111333
Because: When you need a 60cc displacement unit with 3600 PSI nominal pressure, 4600 PSI peak pressure, and up to 2600 max speed to match the current configuration.
Choose: Higher displacement model
Because: When your required displacement is greater than 60cc (e.g., 74cc options R986110632/R986110971 or 140cc R986111452) and your system can accommodate the associated speed limit (notably 2000 max speed on the 140cc model).
Choose: Lower pressure model
Because: Not applicable with the provided comparison set, as all listed alternatives show the same 3600 PSI nominal pressure rating.
Compatibility: Verify mounting pattern, shaft configuration, and port sizes match your existing installation. If you’re comparing options across hydraulic pumps, confirm the control type (load-sensing/pressure-compensated) and case drain requirements align with your circuit.
For application-specific guidance, contact our technical team. We can also help identify comparable piston pumps when displacement, rotation, or mounting constraints require an alternate configuration.
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 R986111333, 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 related Rexroth options such as R986111315)
- 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 R986111333 Axial Piston Variable Pump | Replaces CAT 388-9642 | 60cc | 3600 PSI
$3,649.00
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Expected delivery Oct 14 - Oct 20
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