8901-037 | Woodward Booster Servomotor for Engine Startup

Woodward 8901-037 Single Cylinder Booster Servomotor

The 8901-037 (Model: 8901-037) is a specialized single-cylinder booster servomotor designed to provide instantaneous pressurized oil to mechanical-hydraulic governors and electro-hydraulic actuators. In the context of large-scale engine and turbine starting sequences, the 8901-037 (Part Number: 8901-037) plays a vital role by ensuring that the governor has sufficient hydraulic pressure to control the fuel rack the moment starting air is applied. This prevents delayed fuel delivery and ensures a smooth, reliable engine ignition cycle.

Unlike standard electronic modules, the 8901-037 (Model: 8901-037) is a mechanical-hydraulic interface often paired with 24V DC control logic. It is engineered to deliver a concentrated burst of hydraulic energy, overcoming the initial stiction and inertia of large fuel control linkages. This booster is a critical component for mission-critical power generation and marine propulsion systems where rapid, "first-time" starting is essential for system integrity and emergency readiness.

Detailed Technical Specifications

The 8901-037 (Model: 8901-037) is built to withstand extreme engine-room temperatures and high-vibration environments.