G40/G40E Gasoline Piston Engine

The G40E is a 550 cc, 37 kW two-stroke horizontally-opposed four-cylinder air-cooled EFI aviation engine. It supports multi-point electronic fuel injection, generator integration and a high-power starter for diverse aviation applications. Runs on standard automotive gasoline for low operating cost.

The G40E is a 550 cc displacement, 37 kW maximum power, two-stroke, horizontally opposed four-cylinder, air-cooled aviation electronic fuel injection (EFI) engine. It is compatible with a variety of propellers and is suitable for various light aircraft and range extender applications. Featuring advanced EFI and ignition performance, the engine supports multi-orientation installation, offers low vibration, high durability, and excellent reliability. It operates on standard automotive gasoline (92–95 RON) mixed at 40:1 with fully synthetic lubricating oil, supports customized generator integration, and is equipped with a high-power starter to meet diverse aviation application requirements. Ignition is via a DC CDI electronic ignition system with natural air cooling. Dimensions are 390 × 400 × 400 mm with an engine weight of 18 kg including starter (excluding generator), and it drives propellers in the 30 × 20 to 36 × 16 range.

Key specifications: Type: Two-stroke, horizontally opposed 4-cylinder, air-cooled EFI; Dimensions: 390 × 400 × 400 mm; Maximum Power: 37 kW @ 6,200 rpm; Engine Weight: 18 kg (including starter, excluding generator); Displacement: 550 cc; Propeller: 30 × 20 – 36 × 16.

Specifications

All specifications are taken from the manufacturer’s current datasheet.