9905-463
9905-463
9905-463
9905-463
9905-463
9905-463
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  • Lifecycle status

    Discontinued / Obsolete by OEM
    Apter Power supports exact-code review and quotation for this discontinued Woodward speed control.

9905-463

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Woodward 9905-463 is a ProAct Model II speed control used with an industrial engine actuator system.
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Technical specifications for 9905-463

  • Manufacturer:
    Woodward
  • Part Number:
    9905-463
  • Product Family:
    Woodward 505 Digital Governor Turbine Control
  • Product Type:
    ProAct Model II Speed Control
  • Stock:
    1
  • Supply voltage:
    18–32 VDC (24 VDC nominal)
  • Remote speed reference input:
    4–20 mA
  • Woodward manual:
    04121
  • Weight:
    2.62 kg
  • Estimated shipping dimensions:
    35.6x27.9x6.5cm
  • Tariff Code:
    Please confirm the destination before shipping
  • Country of origin:
    USA
  • Place of shipment:
    Xiamen,Fujian,China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Speed Control Role Actuator Integration Service Planning Product Applications

Features:

  • ProAct Model II digital speed-control role
  • 24 VDC nominal control-system supply
  • Documented Woodward service identity
Woodward manual 04121 identifies the ProAct I/II system as an electronic speed-control arrangement for engines in mechanical-drive or generator-set service.

For Model II, the documented external supply range is 18–32 VDC with 24 VDC nominal, and the control provides a 4–20 mA remote speed-reference input alongside its internal speed reference.

Woodward Application Note 51499 lists 9905-463 as the legacy ProAct Model II Speed control and links it to manual 04121; the complete part number and installed control arrangement remain the basis for service decisions.

For Woodward 9905-463 ProAct Model II Speed Control enquiries, Apter Power can support exact-part review, legacy-spare sourcing and quotation.
Woodward 9905-463 ProAct Model II Speed Control Manuals,Datasheets,Link Important Notice: Match the full product identity and installed-system records before using any legacy documentation or service guidance.
  • The controller belongs to a ProAct Model II engine-control arrangement.
  • Speed-command responsibility should be separated from actuator mechanics.
  • The installed part number remains the primary spare identity.
  • Application documents should travel with the controller record.
  • Controller and actuator identities should be reviewed as one application chain.
  • Terminal wiring should be captured before removal.
  • A similar Woodward enclosure does not establish integration suitability.
  • Use the engine package commissioning procedure after exchange.
  • Retain baseline settings and observed response for comparison.
  • Stop if the application documentation identifies another controller.
  • Keep receiving and commissioning evidence with the asset record.
  • Industrial engine packages documented for ProAct Model II control.
  • Legacy speed-control maintenance using Woodward 9905-463.
  • Planned spare support for installations retaining the original controller architecture.
Description
Engine speed-command service starts with the controller that belongs to the installed ProAct Model II arrangement. 9905-463 gives the maintenance team that exact Woodward control identity rather than a generic governor reference.

The control-and-actuator relationship is central to 9905-463: the controller must remain associated with the application wiring and engine package for which it was commissioned. Preserving that context avoids assuming that a later Woodward control is an automatic substitute.

During an overhaul, 9905-463 provides a traceable route from removed-unit identification to quotation, receiving and controlled startup. Keeping the baseline settings and actuator information with the spare makes the post-repair response easier to judge.
Alternative Names
9905-463 ProAct Model II
Technical notes
Woodward 9905-463 is not a 505 turbine controller and must not be selected from the Woodward brand or enclosure style alone. Confirm the ProAct Model II application, installed wiring and actuator arrangement before exchange. Stop if the engine package documentation identifies another controller number or calibration context.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
An engine package uses a ProAct controller; what proves that 9905-463 is the correct spare?
The installed controller label and engine control documentation must both show the same part number and ProAct Model II context. A general Woodward governor reference is insufficient.
Can 9905-463 be replaced by another Woodward speed control with a similar connector layout?
Not without application-specific engineering evidence. Hold the candidate until controller number, wiring assignment and actuator relationship are confirmed for the installed engine package.
What should maintenance record before removing 9905-463 from service?
Capture the full label, terminal wiring, controller mounting and relevant engine settings under the approved service procedure. Those records establish the restoration baseline.
How should 9905-463 be checked after installation in a planned outage?
Commission it through the engine manufacturer or site procedure, observe speed-command response under controlled conditions and stop if behavior departs from the recorded baseline.
Which details make a 9905-463 quotation usable for a buyer?
Provide the exact part number, application description, actuator model and clear photographs of the installed controller. These details help separate the requested unit from other ProAct controls.
What receiving issue should prevent 9905-463 from entering the spare inventory?
Quarantine the unit when its part number is incomplete, terminals are damaged, or the supplied controller cannot be reconciled with the purchase record and intended engine application.