DE ENGINE · Purpose-built engines for serious UAV missions

DE ENGINE develops aviation-grade gasoline and EFI engines specifically for VTOL and fixed-wing UAVs. Every model is designed around real mission profiles – vertical take-off, climb, cruise and safe landing – not just bench power figures.

Aviation gasoline first German engineering · Chinese manufacturing
DE ENGINE powering a long-endurance UAV
Engineered for Flight. Built for UAV Mission Success.

Why DE ENGINE for UAV platforms?

Bridging German engine know-how with efficient Chinese manufacturing.

German heritage, Chinese productivity

DE ENGINE was founded by an engineer who studied and worked for years in Germany’s general aviation and powertrain industry. We combine German design philosophy with Chinese manufacturing scale.

Designed around UAV missions

From medium mapping VTOLs to heavy logistics drones, each engine is tuned for long endurance, high reliability and predictable fuel consumption on aviation gasoline.

Gasoline first, EFI when you need it

The core line-up uses proven carbureted gasoline architecture for simplicity and robustness. For selected projects and engine models, DE ENGINE also offers EFI and generator solutions.

Current DE ENGINE line-up

Industrial gasoline engines for VTOL and fixed-wing UAVs – more models coming soon.

DE120 120cc twin-cylinder UAV engine
120 cc twin
DE120 · 120cc Twin-Cylinder UAV Engine

Compact gasoline twin for medium-size VTOL and fixed-wing UAVs. Excellent thrust-to-weight and fuel economy for mapping and logistics platforms around 30–60 kg MTOW.

Medium UAVsGasoline + 2T oil
DE170 170cc twin-cylinder UAV engine
170 cc twin
DE170 · 170cc Air-Cooled Twin

High-output twin-cylinder engine for 25–80 kg MTOW UAVs that require strong climb performance, smooth running and long endurance on aviation gasoline.

Larger UAVsUp to ~35 kg thrust
DE350 350cc carbureted drone engine
350 cc single
DE350 · 350cc Carbureted Engine

Robust single-cylinder 350 cc gasoline engine with simple carburetor design for hybrid VTOL or fixed-wing platforms that need strong cruise power.

Hybrid VTOL / fixed-wingCarbureted
DE500 500cc twin-cylinder drone engine
500 cc twin
DE500 · 500cc Twin for Large UAVs

500 cc air-cooled twin-cylinder powerplant for large industrial UAVs used in logistics, inspection and border security missions.

Large VTOL / fixed-wingEFI optional
DE550 550cc four-cylinder UAV engine
550 cc · 4-cylinder
DE550 · 550cc 4-Cylinder UAV Engine

Four-cylinder two-stroke gasoline engine for heavy-lift industrial UAVs that demand smooth torque, low vibration and long service life.

Heavy-lift missionsMagneto ignition
DE730 730cc four-cylinder UAV engine
730 cc · 4-cylinder
DE730 · 730cc Four-Cylinder Flagship

Flagship 730 cc gasoline engine for very large logistics, disaster-response and long-endurance ISR UAV platforms.

Up to ~270 kg MTOW*EFI & generator optional

*Example integration value from existing customer projects. Final MTOW depends on airframe design, propeller selection and safety margins.

From German R&D to global UAV fleets

A brand story built around aerospace engineering, not hobby engines.

Foundations in German general aviation

The founder of DE ENGINE studied and worked in Germany for many years, focusing on internal combustion engines and general aviation power systems. This background shaped the core philosophy of DE ENGINE: conservative design margins, repeatable quality and predictable maintenance.

Back in China, this know-how is combined with modern CNC machining, rigorous QC and scalable production lines to deliver industrial-grade UAV engines at a competitive cost level.

Made for long-endurance UAV operations

Every DE ENGINE model is specified and tested around real UAV use cases: long-range mapping flights, logistics corridors, maritime patrol, border surveillance and emergency response.

Whether you operate a small VTOL mapping fleet or large hybrid cargo drones, DE ENGINE can support your propulsion roadmap with gasoline and EFI solutions that grow with your platform family.

Zoomed engine image