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Bosch Rexroth R986111618 (Series 52/53) is a direct OEM replacement for AGCO 531726D1, delivering reliable 85 cc displacement performance with compatibility-focused fitment for cost-effective hydraulic system uptime.
Technical Specifications
Flow Performance
With an 85 cc displacement, the R986111618 provides consistent, predictable output across its operating range to support stable hydraulic response. Rated for up to 2500 max speed, it is designed to maintain efficient flow delivery without oversizing, supporting cost-effective operation through right-sized performance.
Efficiency & Durability
The component is built to operate at 3600 PSI nominal pressure with 4600 PSI peak capability to handle demanding duty cycles while maintaining stable performance. Its 2500 max speed rating supports dependable operation under varying load and speed conditions, helping reduce performance losses associated with operating outside intended limits.
Installation
Designed as an OEM replacement for AGCO 531726D1, this Series 52/53 unit is intended for direct interchange and standard mounting alignment. It is a drop-in replacement that installs without modifications when replacing the specified OEM part.
Features and Benefits
- 85 cc displacement: Delivers consistent output per revolution for predictable machine response and avoids unnecessary capacity that can increase operating cost.
- 3600 PSI nominal / 4600 PSI peak pressure capability: Supports continuous high-pressure work with headroom for pressure spikes to maintain system stability under load changes.
- 2500 max speed rating: Enables reliable operation across common operating speeds while helping maintain steady hydraulic performance at higher RPM.
Operational Information
Operate within the specified 3600 PSI nominal and 4600 PSI peak limits and do not exceed 2500 max speed to maintain consistent performance. With a 75 lb unit mass, ensure secure mounting and proper hydraulic line support to maintain reliable operation in typical hydraulic service conditions.
Quality Assurance
Manufactured to Bosch Rexroth’s stringent quality standards with rigorous testing throughout the production process.
| Weight | 75.0 lbs |
|---|---|
| Dimensions | 20 × 20 × 15 in |
| Manufacturer | Bosch Rexroth |
| Pumps Max Pressure | 3600 PSI |
| Pumps Rated Speed | 2500 |
| Pumps Max Speed | 2500 |
| Pumps Displacement | 85cc |
| Pump Continuous Pressure | 3600 PSI |
| Pump Intermittent Pressure | 4600 PSI |
Product Selection Guide
All listed 52/53 series components share a 3600 PSI nominal pressure rating, so selection typically comes down to matching displacement (flow) needs and allowable operating speed to your existing setup. If you’re comparing options across hydraulic pumps, these three specs are a practical starting point before confirming mounting and control details.
?? 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 |
|---|---|---|---|---|
| R986111618 | 85cc | 3600 PSI | 2500 | 52/53 |
| R986111115 | 100cc | 3600 PSI | 2300 | 52/53 |
| R986111283 | 110cc | 3600 PSI | 2200 | 31* |
| R986111126 | 74cc | 3600 PSI | 2600 | 52/53 |
| R986111124 | 140cc | 3600 PSI | 2000 | 31* |
Key Differences
Displacement
R986111618 is 85cc; choose lower displacement (R986111126 at 74cc) when you need less flow, or higher displacement options (R986111115 at 100cc, R986111283 at 110cc, R986111124 at 140cc) when your system requires more flow per revolution.
Pressure Rating
Nominal pressure is the same across the compared models at 3600 PSI; R986111618 additionally lists a 4600 PSI peak pressure, so confirm your system’s peak pressure requirements align with the part you select.
Speed
Maximum speed varies: R986111618 is rated to 2500, with alternatives ranging from 2000 (R986111124) up to 2600 (R986111126); select a model whose max speed meets or exceeds your operating speed.
Quick Selection Guide
Choose: R986111618
Because: When you need an 85cc displacement with 3600 PSI nominal pressure and up to 2500 max speed, and you require a listed 4600 PSI peak pressure rating.
Choose: Higher displacement model
Because: When flow requirements exceed 85cc—consider R986111115 (100cc), R986111283 (110cc), or R986111124 (140cc)—and ensure the lower max speeds (2300/2200/2000 respectively) still meet your operating conditions.
Choose: Lower pressure model
Because: Not applicable based on the provided comparison set, since all listed alternatives show the same 3600 PSI nominal pressure rating.
Compatibility: Verify mounting pattern, shaft configuration, and port sizes match your existing installation, and confirm displacement, nominal/peak pressure, and maximum speed align with your system requirements. If you’re standardizing on piston pumps across a fleet, documenting these fitment details can reduce downtime during swaps.
For application-specific guidance, contact our technical team.
Compatibility & Applications
Direct Replacement Information
This Rexroth R986111618 replaces AGCO 531726D1 in mobile hydraulic variable-displacement pump applications. For additional brand resources and cross-references, see our Bosch Rexroth product listings.
- Closed- or open-circuit hydraulic systems requiring 85cc variable displacement
- Hydraulic circuits operating around 3600 PSI nominal pressure
- Main implement, auxiliary, and attachment pump circuits where variable flow control is required
Common Applications
This Bosch Rexroth R986111618 is commonly used in:
- mobile hydraulics
- agricultural machinery
- construction equipment
Important: Verify mounting pattern, shaft configuration, rotation, control type, and porting match the existing AGCO installation before installation. If you’re evaluating other AGCO replacement options in the same family, you may also consider R986111250 depending on your required displacement and control 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 R986111618, 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 R986111618 Axial Piston Variable Pump | Replaces AGCO 531726D1 | 85cc | 3600 PSI
$5,572.00
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Expected delivery Oct 13 - Oct 19
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