Bosch Rexroth R986111412 Axial Piston Variable Pump | Replaces CAT 481-4012 | 18cc | 3600 PSI

Product Selection Guide

These Series 52/53 components share a 3600 PSI nominal pressure class, so selection is primarily driven by displacement (flow) and allowable speed for your operating point. If you’re comparing options across our broader hydraulic pumps catalog, confirm the circuit type and control strategy match your system.

?? 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.

Key Differences

Displacement

R986111412 is 18cc for lower flow per revolution, while the comparison parts increase flow potential at 28cc (R986110117, R986110125), 71cc (R986110074), and 110cc (R986110083); choose higher displacement when your required flow exceeds what an 18cc unit can provide at available speed.

Pressure Rating

All listed comparison products show 3600 PSI pressure, matching the nominal pressure of R986111412; R986111412 also lists a 4600 PSI peak pressure, so confirm your duty cycle and peak events align with the part you select.

Speed

Maximum speed decreases as displacement increases in the listed options: R986111412 is 3300, 28cc models are 3000, 71cc is 2600, and 110cc is 2200; select a model whose max speed meets or exceeds your expected operating speed.

Quick Selection Guide

Choose: R986111412

Because: When you need an 18cc displacement unit with 3600 PSI nominal pressure, 4600 PSI peak pressure capability, and up to 3300 max speed in a Series 52/53 replacement.

Choose: Higher displacement model

Because: When your system requires more flow per revolution than 18cc can provide—consider 28cc (R986110117 or R986110125), 71cc (R986110074), or 110cc (R986110083)—and ensure your operating speed stays within the listed max speed for that displacement.

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 the selected unit meets your required displacement, pressure (nominal/peak), and operating speed limits. For similar piston pumps, mounting and shaft details are often the deciding factors when displacements are close.

For application-specific guidance, contact our technical 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 R986111412, 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 (including alternatives such as R986111250 when the application calls for a different configuration)
• 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 R986111412 replaces CAT 481-4012 in high-pressure mobile and industrial hydraulic system applications.

• Closed-loop or open-circuit hydraulic systems requiring 18cc displacement variable flow
• Circuits operating at 3600 PSI nominal pressure with speeds up to 3300 RPM
• Axial piston variable pump circuits for hydrostatic drive, implement, steering, and auxiliary hydraulic functions

Common Applications

This Bosch Rexroth R986111412 is commonly used in:

• construction and earthmoving equipment
• material handling machines
• agricultural machinery (also see related replacements like R986111344 for AGCO applications)
• industrial power units and process machinery

Important: Verify mounting interface, shaft configuration, rotation, and porting match the existing CAT 481-4012 installation before ordering.