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Bosch Rexroth R986111373 (Series 52/53) is a direct OEM replacement for CAT 297-6993, built to maintain reliable hydraulic performance and OEM-fit compatibility in the same installation envelope.
Technical Specifications
Flow Performance
With a 45 cc displacement, the R986111373 delivers consistent volumetric output per revolution for predictable actuator and circuit response. Stable flow characteristics are maintained up to a maximum speed of 2600, supporting repeatable performance across the operating range.
Efficiency & Durability
The unit is rated for 3600 PSI nominal pressure with 4600 PSI peak capability to handle transient load events without compromising normal operating performance. Operation up to 2600 max speed supports sustained duty while maintaining consistent output under rated conditions.
Installation
Designed as an OEM replacement for CAT 297-6993, the R986111373 is intended to install as a direct fit with no modifications. OEM-form mounting compatibility supports straightforward replacement in existing hydraulic layouts.
Features and Benefits
- 45 cc displacement: Provides a fixed, predictable volume per revolution for consistent circuit response and repeatable machine behavior.
- 3600 PSI nominal / 4600 PSI peak pressure rating: Supports continuous operation at 3600 PSI and accommodates short-duration pressure spikes up to 4600 PSI.
- 2600 maximum speed capability: Enables operation across a broad speed range up to 2600 to maintain required flow delivery under varying duty conditions.
Operational Information
Operate within the stated limits of 3600 PSI nominal pressure, 4600 PSI peak pressure, and up to 2600 maximum speed to maintain expected reliability. Component mass is 40 (as specified), supporting stable installed dynamics in the intended OEM replacement configuration.
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 |
Compatibility & Applications
Direct Replacement Information
This Bosch Rexroth R986111373 replaces CAT 297-6993 in high-pressure mobile and industrial hydraulic system applications.
- Closed-loop or open-loop hydrostatic circuits requiring 45cc displacement
- Hydraulic systems operating at 3600 PSI nominal pressure and up to 2600 max speed
- Axial piston variable pump circuits for implement hydraulics, auxiliary functions, and hydrostatic drive pump applications
Common Applications
This Bosch Rexroth R986111373 is commonly used in:
- construction and earthmoving equipment
- material handling equipment
- industrial machinery and production equipment
Important: Verify mounting interface, shaft configuration, rotation, and porting match the existing CAT 297-6993 installation before ordering.
Product Selection Guide
These Series 52/53 components share a 3600 PSI nominal pressure class, so selection is primarily driven by displacement (flow per revolution) and any speed differences across part numbers. If you’re comparing other hydraulic pumps, confirm the circuit type (open vs. closed loop) and control configuration match your machine 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 |
|---|---|---|---|---|
| R986111373 | 45cc | 3600 PSI | 2600 | 52/53 |
| R986110126 | 45cc | 3600 PSI | 2600 | 52/53 |
| R986110606 | 100cc | 3600 PSI | 2300 | 52/53 |
| R986110038 | 71cc | 3600 PSI | 2600 | 52/53 |
| R986110955 | 60cc | 3600 PSI | 2600 | 52 |
Key Differences
Displacement
R986111373 and R986110126 are 45cc options for matching an existing 45cc setup, while R986110955 (60cc), R986110038 (71cc), and R986110606 (100cc) increase displacement to deliver more flow per revolution when higher output is required. For more options in this style of unit, browse our piston pumps selection.
Pressure Rating
All listed comparison models show 3600 PSI pressure, matching the nominal pressure of R986111373; if your system requires operation up to 4600 PSI peak, confirm the replacement part’s peak pressure rating matches your requirement.
Speed
R986111373 is rated to 2600 max speed, matching R986110126, R986110038, and R986110955 at 2600, while R986110606 is lower at 2300—choose based on your available drive speed and required operating range.
Quick Selection Guide
Choose: R986111373
Because: When you need a Series 52/53 45cc unit with 3600 PSI nominal pressure and up to 2600 max speed, and your application may require up to 4600 PSI peak (verify peak rating on the replacement).
Choose: Higher displacement model
Because: When flow requirements exceed a 45cc configuration—consider 60cc (R986110955), 71cc (R986110038), or 100cc (R986110606), noting the 100cc option lists a lower speed (2300).
Choose: Lower pressure model
Because: When system operates at lower pressures for cost savings.
Compatibility: Verify mounting pattern, shaft configuration, and port sizes match your existing installation, and confirm displacement, nominal/peak pressure ratings, and maximum speed align with your system requirements.
For application-specific guidance, contact our technical team. If you’re also sourcing similar Rexroth replacements for other equipment, related options include R986111250 and R986111344.
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 R986111373, 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
Bosch Rexroth R986111373 Axial Piston Variable Pump | Replaces CAT 297-6993 | 45cc | 3600 PSI
$3,033.00
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Expected delivery Oct 13 - Oct 19
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