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Bosch Rexroth R986110038 (Series 52/53) is a direct OEM replacement for CAT 140-8886, built to deliver dependable hydraulic performance with OEM-fit compatibility.
Technical Specifications
Flow Performance
With a 71 cc displacement, the R986110038 provides consistent volumetric output per revolution for predictable actuator and drive response. Its displacement supports stable flow characteristics across operating speeds up to 2600 RPM, helping maintain smooth system control under changing load demands.
Efficiency & Durability
Rated for 3600 PSI nominal pressure and 4600 PSI peak pressure, this unit is designed to sustain performance in high-pressure duty cycles. Operation up to 2600 RPM supports responsive hydraulic delivery while maintaining durability in demanding service conditions.
Installation
Designed as an OEM replacement for CAT 140-8886, the R986110038 installs as a direct fit with no modifications required. OEM-aligned form factor supports straightforward integration into existing hydraulic plumbing and mounting points.
Features and Benefits
- 71 cc displacement: Delivers consistent volume per revolution for predictable flow and repeatable machine response.
- 3600 PSI nominal / 4600 PSI peak capability: Supports high-pressure operation and transient load spikes without requiring system derating.
- 2600 RPM maximum speed: Enables strong dynamic performance and responsive hydraulic output at higher operating speeds.
Operational Information
Built for high-pressure hydraulic systems requiring up to 3600 PSI nominal and 4600 PSI peak performance with operating speeds up to 2600 RPM. The 48.5 weight class supports robust construction suited for sustained service in demanding hydraulic environments.
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 | 71cc |
| Pump Continuous Pressure | 3600 PSI |
| Pump Intermittent Pressure | 4600 PSI |
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 R986110038, 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 R986110038 replaces CAT 140-8886 in mobile hydraulic pump-drive applications.
- Closed-loop or open-circuit hydraulic systems requiring 71cc displacement variable flow control
- Mobile hydraulic circuits operating at 3600 PSI nominal pressure (within system relief settings)
- Engine-driven pump applications up to 2600 max speed for implement, steering, or auxiliary functions
Common Applications
This Bosch Rexroth R986110038 is commonly used in:
- mobile hydraulics
- construction equipment
- earthmoving and road equipment
- agricultural machinery
- material handling equipment
Important: Verify mounting pattern, shaft type, rotation, control configuration, and port locations match the existing CAT installation before ordering. If you’re comparing other hydraulic pumps, match both the mechanical interface and the control option to avoid fitment issues.
Product Selection Guide
These Series 52/53 parts share the same nominal pressure rating, so selection is primarily driven by displacement (flow per revolution) and allowable speed for your operating point.
?? 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 |
|---|---|---|---|---|
| R986110038 | 71cc | 3600 PSI | 2600 | 52/53 |
| R986110045 | 28cc | 3600 PSI | 3000 | 52/53 |
| R986110576 | 60cc | 3600 PSI | 2600 | 52 |
| R986111528 | 100cc | 3600 PSI | 2300 | 52/53 |
| R986111452 | 140cc | 3600 PSI | 2000 | 31* |
Key Differences
Displacement
R986110038 is 71cc, positioned between 60cc (R986110576) and 100cc/140cc (R986111528/R986111452) for higher flow needs, while 28cc (R986110045) suits lower flow requirements where the larger displacements would be oversized.
Pressure Rating
All listed comparison models are rated at 3600 PSI nominal; R986110038 also specifies a 4600 PSI peak pressure, so confirm your system’s peak events align with the part you select.
Speed
Maximum speed decreases as displacement increases in this set: 3000 (28cc) > 2600 (60cc and 71cc) > 2300 (100cc) > 2000 (140cc), so higher-displacement options may require lower operating speeds.
Quick Selection Guide
Choose: R986110038
Because: When you need a 71cc displacement with 3600 PSI nominal capability, up to 4600 PSI peak, and a maximum speed of 2600.
Choose: Higher displacement model
Because: Choose R986111528 (100cc) or R986111452 (140cc) when your required displacement is higher than 71cc, and your operating speed can stay within their lower maximum speeds (2300 or 2000, respectively).
Choose: Lower displacement model
Because: Choose R986110576 (60cc) or R986110045 (28cc) when your required displacement is lower than 71cc; note the 28cc option also supports a higher maximum speed (3000) than the 71cc unit (2600).
Compatibility: Verify mounting pattern, shaft configuration, and port sizes match your existing installation, and confirm the selected unit’s displacement, nominal pressure, peak pressure (if applicable), and maximum speed meet your system requirements. For more options in this product family, browse our piston pumps selection.
For application-specific guidance, contact our technical team. If you’re sourcing similar Rexroth replacements for AGCO equipment, related options include R986111250 and R986111344.
Bosch Rexroth R986110038 Axial Piston Variable Pump | Replaces CAT 140-8886 | 71cc | 3600 PSI
$4,330.00
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Expected delivery Oct 13 - Oct 19
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Needed a replacement fast and this showed up in a few days — honestly faster than I expected for a pump this size. Fitment was spot on and the machine hasn't skipped a beat since we put it back to work.
works great
exactly as described
Got it quicker than expected and it went in clean. No complaints from the guys in the shop.
Bolted right up to our Cat grader with zero issues, didn't have to modify a single line or fitting. Machine's been running solid for two months now under heavy use.