INF Inject DA 120cc EFI
INF 120cc EFI Engine (PN: IF120FI, IF120FIALT)
The INF 120cc EFI Engine is a twin cylinder high-performance, fuel-injected UAV propulsion system designed for Group 3 unmanned aircraft with a maximum take-off weight (MTOW) of approximately 60kg. Built with components from Desert Aircraft, a trusted U.S. engine manufacturer, this engine delivers reliable performance for defence, commercial, and ISR applications.
The INF 120cc is a high-performance, powerful engine designed for applications requiring maximum horsepower. While it sacrifices some of the smoothness of the INF 100FI, it delivers superior power output, making it ideal for heavier UAVs. Despite its increased capability, the 120cc engine maintains a lightweight and compact design, ensuring efficiency without adding unnecessary weight.
Key Features:
- 120cc Twin-Cylinder Engine – Lightweight, CNC-machined for durability and high tolerance precision. Decreased vibrations due to the twin opposing cylinder configuration.
- INF Inject EFI System – Optimized fuel consumption, improved reliability, and real-time telemetry for enhanced mission performance.
- Electronic Engine Management – Integrated system for precise throttle control and monitoring. Engine health management and protections throughout missions.
- Fuel Efficiency – Using INF Fuel Injection improves fuel efficiency up to 65% compared to traditional carburettor engines, extending range capabilities enormously.
- Advanced Electronic Ignition – Using INF Ignite twin cylinder ignition provides advanced ignition curves and RPM control as well as a unique safe-start protocol for low RPM starting and transition to full run mode.
- Optional Power Take Off (PTO) Rear Shaft – The INF 120cc UAV engine can be configured with a rear exiting crank shaft that can integrate Starter/Alternators or other accessories to be run from the engine. The rear shaft allows the engine to integrated more easily to confined vehicle spaces and centre of gravity considerations.
Integrated Starter/Alternator (PN: IF120FIALT)
The IF120FIALT model includes a 3-phase starter/alternator system, available in:
- 6s (24V) or 12s (48V) configurations
- Remote start capability for autonomous UAV operation
- In-flight power generation, delivering 200–550W at peak throttle (7000 RPM)
Mission-Ready Performance
✔ Designed for Tactical and ISR UAVs
✔ Extended Range with INF Inject EFI Efficiency
✔ Reduced Maintenance and Increased Reliability
✔ Onboard Power Generation for Avionics & Payloads
✔ Remote Starting and Automatic In-Flight Restart Capable




Electronic Fuel Injection
Innoflights latest Electronic Fuel Injection (EFI) technology has been integrated across our full range of UAV engines and generators. We provide our customers with extremely reliable engine solutions for commercial applications. Each engine integration is fully tested and calibrated to the EFI and provided to our customers as a turn-key solution, optional Alternator, Starter-Alternators and Generator integrations are available. Using high quality ETFE wiring as well as positive locking connectors ensures exceptional reliability. The INF EFI integration to flight control systems allows engine/alternator control as well as full engine/system telemetry data.