Engine Components > Fuel Control Systems
The 23078029 Hydromechanical Unit (HMU) is a vital engine control component that regulates fuel flow to the engine based on throttle input and engine operating conditions. This high-precision unit integrates mechanical and hydraulic systems to deliver accurate fuel metering, ensuring optimal engine performance, fuel efficiency, and safety. It is commonly used in turbine engine applications across commercial and military aircraft.
Part Number: 23078029 Hydromechanical Unit (HMU)
Functions:
- Regulates and meters fuel flow to the engine
- Interfaces with FADEC or manual throttle systems
- Maintains proper fuel-air mixture across varying conditions
- Supports smooth engine starts, acceleration, and shutdown
- Ensures safe and efficient engine performance
Applications:
- Turboshaft and turboprop engines in helicopters and fixed-wing aircraft
- Commonly used in Pratt & Whitney and Rolls-Royce engine platforms
- Suitable for both military and civilian aircraft operations
- Ideal for OEM replacement, fleet upgrades, and MRO programs
PAG Support:
Precision Aviation Group (PAG) offers comprehensive repair, overhaul, and exchange services for the 23078029 HMU through our FAA/EASA-certified repair stations. With 24/7 AOG support (+1.404.218.5777), global inventory availability, and deep expertise in fuel control systems, PAG helps reduce aircraft downtime and ensures flight readiness.
Contact Us for Related Parts:
- 23078030 – Alternate or updated HMU model
- 3244787-1 – Fuel Control Unit (FCU)
- 6877302 – Fuel Nozzle Assembly
- 3010979-01 – Engine Electronic Control (EEC)
- 1C36-6 – Fuel Pump Assembly
