Key Details

NC Servo Technology provides repair and reconditioning for the MOOG D661-813. With in-house tooling and stocked parts, we keep turnaround times short.

Independent Repair Facility

As a specialized repair facility, we have dedicated test equipment that general-purpose shops don’t. That means your MOOG D661-813 gets serviced by people who work on these units regularly.

50+ years of expertise in MOOG D661-813 Valve Repair

Frequently Asked Questions

Turnaround time varies by model and condition. Contact us for a timeline specific to your unit.

Helpful but not required. If you can photograph the label, connectors, and overall unit, it gives our team a head start.

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

Even if the tag is worn off, we can often match the unit based on shape, size, and internal configuration.

Expedited options are available depending on current scheduling. Contact us to discuss your timeline.

Rebuild Steps

We disassemble every valve, inspect it inside and out, and clean all moving parts. Components that fail inspection are swapped out before the valve is rebuilt and tested.

  • 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.
  • Complete Disassembly: The unit is disassembled and all parts are laid out for individual inspection.

Testing and Bench Verification

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.

Common Applications

Our trusted repair services for the MOOG D661-813 are trusted across various sectors including Steel & Metals, Automotive, and Plastics & Injection Molding. We understand the unique demands of valves in these environments.

Repair, Rebuild and Exchange Options

Beyond standard refurbishment, we offer specialized repairs for your MOOG D661-813 unit. Our disassembly process includes internal inspection and spool evaluation, using only replacement replacement components.

Lead Times and Support

As a dedicated source for MOOG D661-813 services, NC Servo Technology targets quick resolution with typical lead times of 1 to 3 weeks. Benefit from our dedicated support team to keep your systems running smoothly.

Maintenance Tips

  • Perform fluid analysis to detect contamination early and prevent system damage.
  • Use only manufacturer-recommended hydraulic fluids to protect internal valve surfaces.
  • Document all maintenance activities to track performance trends over time.

Let Us Repair Your MOOG D661-813

Request pricing, availability, and turnaround for your MOOG D661-813. NC Servo Technology provides experienced repair with a 1-year warranty. Contact us to set up your repair.

Request a Quote View All MOOG Products Shop MOOG Inventory

NC Servo Technology is an independent third-party repair facility. We are not affiliated with, endorsed by, sponsored by, or authorized by MOOG or any original equipment manufacturer (OEM), nor do we claim to be a MOOG 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.