About This Unit

Whether the issue is age, wear, or contamination, the REXROTH 4WRKE16E1-200-21/6A24Z9/D3M can often be restored. NC Servo applies the same structured approach to every rebuild.

Inspection and Repair Process

Each REXROTH 4WRKE16E1-200-21/6A24Z9/D3M undergoes reconditioning — disassembly, parts replacement, reassembly, and bench testing before shipment.

Frequently Asked Questions

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

Not required, but removing excess oil or loose debris before packing helps keep things clean in transit.

Yes. Send us photos of the unit from multiple angles. Our team has serviced thousands of models and can often ID them visually.

Yes. Photos of the nameplate and overall unit let us begin identification before it arrives, which speeds up the process.

Send it in for evaluation. We’ll inspect it and give you a repair-vs-replace recommendation based on the actual condition of the unit.

Why Repair With NC Servo

As a specialized repair facility, we have dedicated test equipment that general-purpose shops don’t. That means your REXROTH 4WRKE16E1-200-21/6A24Z9/D3M gets serviced by people who work on these units regularly.

17,000+ valves in stock including REXROTH 4WRKE16E1-200-21/6A24Z9/D3M exchange units

Repair Process

The process begins with disassembly and visual evaluation. We then clean, replace worn pieces, and reassemble the valve to restore its function.

  • In-House Parts Sourcing: Many repairs use components sourced from our inventory of 17,000+ units.
  • Leak and Pressure Testing: The reassembled unit is leak-tested and pressure-tested to verify it meets published specs.
  • Seal and Gasket Replacement: Worn seals and gaskets are replaced with new components during every rebuild.
  • Cleaning: Units go through a mineral bath, with ultrasonic cleaning used for delicate internals.

Hydraulic Testing Process

NC Servo operates over a dozen dedicated flow test stands, including setups for proportional and servo valves. Every valve goes through performance and leak testing using standard test fluids to match your operational needs. Our functional testing verifies consistent performance.

Technical Specifications

Every REXROTH 4WRKE16E1-200-21/6A24Z9/D3M we service is tested under real-world conditions. Our diagnostics verify performance against published specifications. Performance data and Technical diagrams are available for purchase upon request.

Repair, Rebuild and Exchange Options

Beyond standard maintenance, we offer specialized repairs for your REXROTH 4WRKE16E1-200-21/6A24Z9/D3M unit. Our overhaul process includes bench testing and mineral bath cleaning, using only replacement replacement components.

Lead Times and Support

As a dedicated source for REXROTH 4WRKE16E1-200-21/6A24Z9/D3M services, NC Servo targets quick resolution with typical lead times of 1 to 3 weeks. Benefit from our dedicated support team to keep your systems running smoothly.

Stock Availability

With an extensive stock of 17,000+ valves, we can often provide faster turnaround by sourcing parts in-house rather than waiting on OEM lead times.

Maintenance Tips

  • Use only manufacturer-recommended hydraulic fluids to protect internal valve surfaces.
  • Inspect REXROTH 4WRKE16E1-200-21/6A24Z9/D3M seals regularly to prevent leaks and maintain performance.
  • Conduct thorough visual inspections for wear or leaks during routine maintenance.

Schedule Your REXROTH 4WRKE16E1-200-21/6A24Z9/D3M Service Today

Request pricing, availability, and turnaround for your REXROTH 4WRKE16E1-200-21/6A24Z9/D3M. NC Servo provides warrantied repair with a 1-year warranty. Contact us to set up your repair.

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NC Servo 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.