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Bosch Rexroth R986110936 (Series 52/53) is a dependable OEM replacement for CAT 235-4108, built to deliver consistent hydraulic output with direct compatibility and stable performance under load.
Technical Specifications
Flow Performance
With a 74 cc displacement, the R986110936 provides predictable, repeatable flow per revolution to support stable actuator and circuit response. Its Series 52/53 design is intended for consistent volumetric performance across operating conditions, helping maintain reliable machine behavior at working speed up to 2600 RPM.
Efficiency & Durability
Rated for 3600 PSI nominal pressure and 4600 PSI peak pressure, this unit is designed to sustain output in demanding duty cycles without sacrificing operating stability. A maximum speed of 2600 RPM supports responsive performance while maintaining controlled operation within the stated pressure limits.
Installation
Engineered as an OEM replacement for CAT 235-4108, the R986110936 is intended as a direct-fit component with OEM-style mounting and connections. Installation is designed to require no modifications when replacing the original unit.
Features and Benefits
- 74 cc displacement: Delivers consistent flow per revolution for predictable hydraulic response and repeatable machine motion.
- 3600 PSI nominal / 4600 PSI peak pressure capability: Supports reliable operation under high working loads while handling short-duration pressure spikes up to 4600 PSI.
- 2600 RPM maximum operating speed: Maintains dependable output and control at higher operating speeds for responsive system performance.
Operational Information
Designed for hydraulic systems operating within 3600 PSI nominal and 4600 PSI peak pressure, with speeds up to 2600 RPM. Reliability expectations depend on maintaining operation within these stated limits and standard hydraulic fluid cleanliness and temperature control practices.
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 | 74cc |
| Pump Continuous Pressure | 3600 PSI |
| Pump Intermittent Pressure | 4600 PSI |
Product Selection Guide
Within the 52/53 series options listed, selection mainly comes down to matching displacement (flow per revolution) while keeping the same 3600 PSI nominal pressure rating and largely similar speed capability.
?? 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 |
|---|---|---|---|---|
| R986110936 | 74cc | 3600 PSI | 2600 | 52/53 |
| R986110678 | 45cc | 3600 PSI | 2600 | 52/53 |
| R986111333 | 60cc | 3600 PSI | 2600 | 52 |
| R986110632 | 74cc | 3600 PSI | 2600 | 52/53 |
| R986110676 | 100cc | 3600 PSI | 2300 | 52/53 |
Key Differences
Displacement
Displacement ranges from 45cc (R986110678) to 100cc (R986110676); choose lower displacement when you need less flow per revolution and higher displacement when you need more, with R986110936 and R986110632 both at 74cc.
Pressure Rating
All comparison models list 3600 PSI pressure; the current product R986110936 also specifies a 4600 PSI peak pressure, so confirm your system’s required peak pressure capability when selecting a replacement.
Speed
Most listed options are rated 2600 max speed (including R986110936), while the 100cc option (R986110676) is listed at 2300, which may matter if your duty cycle requires higher maximum RPM.
Quick Selection Guide
Choose: R986110936
Because: When you need a 74cc displacement unit with 3600 PSI nominal pressure, 4600 PSI peak pressure, and up to 2600 max speed in a 52/53 series replacement.
Choose: Higher displacement model
Because: When your required flow per revolution is higher than 74cc—consider the 100cc option (R986110676), noting its listed 2300 max speed.
Choose: Lower displacement model
Because: When your required flow per revolution is lower than 74cc—consider 60cc (R986111333) or 45cc (R986110678) while maintaining the listed 3600 PSI pressure and 2600 max speed.
Compatibility: Verify mounting pattern, shaft configuration, and port sizes match your existing installation, and confirm pressure (including peak) and speed requirements align with the selected part.
For application-specific guidance, contact our technical team. If you’re comparing similar piston pumps, we can help confirm the correct displacement and control configuration for your machine.
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 R986110936, 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 R986110936 replaces CAT 235-4108 in high-pressure mobile and industrial hydraulic system applications.
- Closed-loop or open-loop hydraulic circuits requiring 74cc variable displacement flow control
- Systems operating at 3600 PSI nominal pressure with stable output across varying loads
- Hydraulic power units and pump-drive circuits up to 2600 RPM max speed in equipment requiring variable pump control
Common Applications
This Bosch Rexroth R986110936 is commonly used in:
- construction and earthmoving equipment hydraulic systems
- industrial hydraulic power units (HPUs)
- machine tool and forming press hydraulics
- material handling and lifting equipment
- test stands and hydraulic test equipment
Need to evaluate alternatives within our broader hydraulic pumps lineup? Our team can help confirm flow, pressure, and control requirements before you order.
Important: Confirm mounting interface, shaft type, rotation, control configuration, and porting match the existing CAT 235-4108 installation before replacement. If your application requires a different displacement or OEM cross-reference, you may also want to review related options such as R986111250.
Bosch Rexroth R986110936 Axial Piston Variable Pump | Replaces CAT 235-4108 | 74cc | 3600 PSI
$3,944.00
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Expected delivery Oct 09 - Oct 15
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