Four-stroke Otto engine This animation demonstrates the type of engine most commonly used in cars. Explore technology with our interactive 3D animations! Be actively involved in learning about technology by following the latest results of 3D animation. Our 3D scenes have been designed for students between 8 and 18 years of age but can be interesting for everyone. Available languages: English, American English, Deutsch, Français, Español, Русский, العربية, 日本語, 中文, 한국어, Italiano, Português