Cutting-Edge Two-Stroke Gasoline & Heavy Fuel Engines for Unmanned Aerial Vehicles
4103 Engine Air-cooled 6.7 HP two-stroke engine built for extreme environments
4103 Engine

Air-cooled 6.7 HP two-stroke engine built for extreme environments

Visit Website Contact
Saved
Save
4103 Engine

Evolved from the mission-proven 4103 (20,000+ sorties), the 41 Series adds modern closed-loop electronic control for crisp throttle response and consistent power in desert heat, arctic cold, and high-altitude ops. Lightweight, reliable, and easy to integrate, it’s a smart upgrade for long-endurance UAV fleets that demand minimal downtime and maximum efficiency.

Ideal for: fixed-wing ISR, mapping/photogrammetry, BVLOS patrol, logistics drones.

Basic Technical Data:

Engine Type Two Stroke Boxer
Cooling Air Cooling
Measured Power 6,7 HP
Fuel Type Petrol

Options:

  • 2 Exhaust Styles
  • Up to 500W starter/generator
  • Oil injection
  • Customization (e.g. Quality documentation, design, rotation direction,…)
Advancing Unmanned Systems Through Strategic Collaboration UST works with major OEMs to foster collaboration and increase engagement with SMEs, to accelerate innovation and drive unmanned systems capabilities forward.