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Bosch Rexroth R986110083 (Series 31*) is a reliable OEM replacement for CAT 261-5630, built to match fit and deliver consistent hydraulic performance under demanding duty cycles.
Technical Specifications
Flow Performance
With a 110 cc displacement, the R986110083 delivers predictable output per revolution for stable actuator and drive response. Its performance is designed to remain consistent across operating speeds up to 2200 RPM, supporting dependable system behavior. The Series 31* configuration emphasizes repeatable flow characteristics for reliable machine operation.
Efficiency & Durability
Rated for 3600 PSI nominal pressure with 4600 PSI peak capability, this unit is suited for high-load hydraulic circuits where pressure stability is critical. Operation up to 2200 RPM supports reliable performance across a broad working range without exceeding published limits. The robust 88 lb build aligns with durability expectations for sustained operation at rated pressures and speeds.
Installation
Engineered as a direct OEM replacement for CAT 261-5630, the R986110083 is intended to match the original interface for straightforward installation. It is designed to fit without modifications when replacing the specified OEM component.
Features and Benefits
- 110 cc displacement: Provides consistent volume delivery per revolution to support stable machine response and repeatable cycle performance.
- 3600 PSI nominal / 4600 PSI peak pressure rating: Maintains reliable operation under high working pressures, including short-duration peak load events.
- 2200 RPM maximum speed capability: Supports dependable operation across higher-speed duty cycles while staying within published operating limits.
Operational Information
Operate within the published limits of 3600 PSI nominal (4600 PSI peak) and up to 2200 RPM to maintain reliable performance. For best reliability, keep operating conditions stable and aligned with the Series 31* component’s rated pressure and speed capabilities.
Quality Assurance
Manufactured to Bosch Rexroth’s stringent quality standards with rigorous testing throughout the production process.
| Weight | 88.0 lbs |
|---|---|
| Dimensions | 20 × 20 × 15 in |
| Manufacturer | Bosch Rexroth |
| Pumps Max Pressure | 3600 PSI |
| Pumps Rated Speed | 2200 |
| Pumps Max Speed | 2200 |
| Pumps Displacement | 110cc |
| Pump Continuous Pressure | 3600 PSI |
| Pump Intermittent Pressure | 4600 PSI |
Product Selection Guide
Within the Bosch Rexroth 31* series options listed, R986110083 stands out primarily by offering substantially higher displacement while maintaining the same nominal pressure class as the comparison 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 |
|---|---|---|---|---|
| R986110083 | 110cc | 3600 PSI | 2200 | 31* |
| R986110062 | 71cc | 3600 PSI | 2600 | 52/53 |
| R986110675 | 72cc | 3600 PSI | 2600 | 52/53* |
| R986110048 | 60cc | 3600 PSI | 2600 | 52 |
| R986110040 | 71cc | 3600 PSI | 2600 | 52/53 |
Key Differences
Displacement
R986110083 is 110cc, while the compared models are 60cc, 71cc, and 72cc; choose 110cc when you need higher flow per revolution, and choose 60–72cc when a smaller displacement better matches your flow requirement.
Pressure Rating
All listed comparison parts show 3600 PSI pressure, matching the nominal pressure of R986110083; R986110083 also specifies a 4600 PSI peak pressure, so always confirm your system requirements align with the pump’s nominal and peak limits.
Speed
R986110083 lists a max speed of 2200, while the compared models list 2600; select based on your prime mover and operating speed to stay within the component’s maximum speed rating.
Quick Selection Guide
Choose: R986110083
Because: When you need 110cc displacement with 3600 PSI nominal pressure and operation up to 2200 max speed (with 4600 PSI peak capability specified).
Choose: R986110062 / R986110675 / R986110040 (71–72cc) or R986110048 (60cc)
Because: When your required displacement is in the 60–72cc range and you want the same 3600 PSI pressure rating with a higher listed max speed of 2600.
Choose: Lower pressure model
Because: Not applicable with the provided comparison set, as all listed models show 3600 PSI; choose based on displacement and speed unless you are comparing against a different part with a lower pressure rating.
Compatibility: Verify mounting pattern, shaft configuration, and port sizes match your existing installation. If you’re still narrowing down options, browse related piston pumps to compare displacement ranges and configurations.
For application-specific guidance, contact our technical team.
Compatibility & Applications
Direct Replacement Information
This Rexroth R986110083 replaces CAT 261-5630 in mobile hydraulic pump drive applications.
- Closed-loop or open-circuit hydraulic systems requiring 110cc variable displacement flow control
- High-pressure circuits operating at 3600 PSI nominal pressure
- Hydrostatic drive, implement, and auxiliary circuits up to 2200 max pump speed
Common Applications
This Bosch Rexroth R986110083 is commonly used in:
- mobile hydraulics
- construction equipment
- earthmoving and material handling machines
- agricultural machinery
Important: Verify mounting interface, shaft configuration, rotation, and porting match the existing CAT 261-5630 installation before ordering. If your application needs a different displacement or control option, consider related R986110076 or R986110085 alternatives and confirm specs with our 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 R986110083, 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. You can also browse our full line of hydraulic pumps for additional configurations.
Bosch Rexroth R986110083 Axial Piston Variable Pump | Replaces CAT 261-5630 | 110cc | 3600 PSI
$5,699.00
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Expected delivery Oct 13 - Oct 19
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