Teardown and Rebuild Steps

Each REXROTH 4WRDE16-51/M-259 undergoes reconditioning — disassembly, parts replacement, reassembly, and bench testing before shipment.

Overview

NC Servo Tech provides repair and reconditioning for the REXROTH 4WRDE16-51/M-259. With in-house tooling and stocked parts, we keep turnaround times short.

Frequently Asked Questions

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 one-year warranty. Contact us for specifics on your unit.

Inspection and root-cause analysis are part of our standard process. We identify the issue before starting any repair work.

Photos help us confirm the unit type and speed up intake. You can upload them through our quote request form.

Yes. If the unit can’t be repaired, we contact you with options before doing anything further.

About Our Shop

Unlike OEM shops, we use our own inventory to handle most rebuilds. That cuts down on lead time and gets your unit back faster.

17,000+ valves in stock including REXROTH 4WRDE16-51/M-259 exchange units

How We Rebuild This Valve

Each valve goes through teardown to expose wear and buildup. After mineral bath cleaning, we replace damaged parts and reassemble the unit to spec.

  • Seal and Gasket Replacement: Worn seals and gaskets are replaced with new components during every rebuild.
  • 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.
  • Cleaning: Units go through a mineral bath, with ultrasonic cleaning used for delicate internals.

Leak and Performance Testing

We carry out full diagnostics on every valve, including flow gain, leakage, pressure shift, and frequency testing. Our test facility supports performance logging and report generation. Our functional testing verifies consistent performance.

Additional REXROTH 4WRDE16-51/M-259 Services

Beyond standard maintenance, we offer specialized repairs for your REXROTH 4WRDE16-51/M-259 unit. Our overhaul process includes pressure testing and disassembly, using only new replacement components.

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

  • Perform fluid analysis to detect contamination early and prevent system damage.
  • Replace inline filters according to maintenance schedules to maintain proper flow rates.
  • Keep a spare REXROTH 4WRDE16-51/M-259 on hand to minimize downtime during unplanned failures.

Start Your REXROTH 4WRDE16-51/M-259 Reconditioning Process

Request pricing, availability, and turnaround for your REXROTH 4WRDE16-51/M-259. NC Servo Tech provides warrantied repair with a 1-year warranty. Contact us to start 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.