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Woodward ST-125 Control System

The Woodward ST-125 control system designed in cooperation with Stanadyne, The system provides an easy solution for isochronous control of the Stanadyne DB-4 series fuel pump. The system includes an integrated actuator and a separate analog speed control that operates on 12 or 24 Vdc. This high performance control offers 13 switch selectable frequency ranges and external run/stop capabilities for flexible and precise application on a variety of engines. The ST-125 system retains the original Stanadyne overspeed safety, providing the user with easy installation and improved reliability.

Nowadays, the ST-125 is no longer manufactured and Coltrading offers the Woodward L-series speed controller retrofit kit. The kit is used as a functional replacement for the ST-125 Speed Control. The controller and the actuator are now integrated into one unit. Furthermore, the new L-Series speed control was designed with many new features and functions that are not yet built into the ST-125.

Retrofit kit 8923-1253 contains all the necessary hardware to convert the hardware. The Setup Tool Lseries CTE-III is needed to perform the calibration on the pump via USB laptop connection.

PDF ST-125 Retrofit
PartdescriptionStockPriceAdd to cart (if available)RFQ
8923-1253Woodward Lseries Governor (Actuator) retrofit base kit (I) for Woodward ST-125 for Stanadyne D series …

In stock

1.00
ST-125 Retrofit kitWoodward Lseries Governor (Actuator) retrofit kit for Woodward ST-125 on Stanadyne D series fuel pumps. …

In stock

1.00
Conversion hardware
Conversion hardware
Left-Hand orientation (standard)
Right-Hand orientation
Setup Tool Lseries
Setup Tool Lseries
USB field engineer
RS232 field engineer
No
Mating connector kit
Mating connector kit
Components (all)
Fully pre-wired (25cm)
No