How We Repair Your Unit

We specialize in the overhaul of your REXROTH 4WE6D51/AG24N9K4/RM, including the replacement of all necessary seals and worn components.

Independent Repair Facility

As a specialized repair facility, we have dedicated test equipment that general-purpose shops don’t. That means your REXROTH 4WE6D51/AG24N9K4/RM gets serviced by people who work on these units regularly.

Frequently Asked Questions

Part of our intake includes troubleshooting to determine the failure point. We report findings before proceeding.

We give you a straight assessment after inspection. If repair doesn’t make sense, we’ll let you know and discuss alternatives.

We can often prioritize urgent jobs. Note it on your request form and we’ll let you know what’s possible.

All repairs come with a 12-month warranty on parts and labor. Contact us for specifics on your unit.

You’ll hear from us either way. If it’s not repairable, we’ll return the unit and provide our findings.

Repair Process

Our team disassembles each valve to assess internal wear. After ultrasonic cleaning, we install replacements and reassemble and verify operation.

  • In-House Parts Sourcing: Many repairs use components sourced from our inventory of 17,000+ units.
  • Seal and Gasket Replacement: Worn seals and gaskets are replaced with new components during every rebuild.
  • Teardown: Every valve is disassembled for internal inspection.
  • Leak and Pressure Testing: The reassembled unit is leak-tested and pressure-tested to verify it meets published specs.

Diagnostic Testing

Each REXROTH 4WE6D51/AG24N9K4/RM is tested on a dedicated flow bench before it ships. We check pressure, flow, leakage, and response characteristics against published specifications. Our performance testing verifies proper functionality.

Technical Specifications

Every REXROTH 4WE6D51/AG24N9K4/RM we service is tested under operating environments. Our diagnostics verify performance against published specifications. Technical diagrams and Specification sheets are available for purchase upon request.

Repair, Rebuild and Exchange Options

Beyond standard refurbishment, we offer specialized reconditioning for your REXROTH 4WE6D51/AG24N9K4/RM unit. Our teardown process includes bench testing and disassembly, using only new replacement components.

Maintenance Tips

  • Store spare REXROTH 4WE6D51/AG24N9K4/RM valves in a clean, dry environment to prevent corrosion and contamination.
  • Keep a spare REXROTH 4WE6D51/AG24N9K4/RM on hand to minimize downtime during unplanned failures.
  • Inspect REXROTH 4WE6D51/AG24N9K4/RM seals regularly to prevent leaks and maintain performance.

Get a Free Evaluation for Your REXROTH 4WE6D51/AG24N9K4/RM

Request pricing, availability, and turnaround for your REXROTH 4WE6D51/AG24N9K4/RM. NC Servo Tech provides experienced repair with a 1-year warranty. Contact us to schedule your repair.

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NC Servo Tech is an independent third-party repair facility. We are not affiliated with, endorsed by, sponsored by, or authorized by REXROTH or any original equipment manufacturer (OEM), nor do we claim to be a REXROTH service center. All brand names, trademarks, model numbers, and part numbers referenced on this page are the property of their respective owners and are used solely for identification and compatibility purposes.