What type of engines do non-handheld equipment primarily utilize?

Non-handheld equipment primarily utilizes four-stroke engines due to their design and performance characteristics that align well with the demands of larger, more powerful machinery. Four-stroke engines have a more complex operation cycle, consisting of distinct intake, compression, power, and exhaust strokes, which allows for better fuel efficiency and lower emissions compared to two-stroke engines. This efficiency is crucial for non-handheld applications, where equipment may be used for extended periods and in environments that require adherence to emissions regulations.

Additionally, four-stroke engines generally offer greater torque and can achieve higher power outputs, making them ideal for tasks that demand sustained power, such as in construction or agricultural machinery. Their design also supports better lubrication systems, which enhances the engine's longevity and reduces maintenance intervals, a significant advantage when operating heavy equipment that is often subjected to rigorous use.

In contrast, while two-stroke engines are lightweight and can provide high power for their size, they tend to have higher fuel consumption and produce more emissions, making them less suitable for such applications. Electric motors and hybrid engines have specific use cases but do not dominate the non-handheld equipment market as effectively as four-stroke engines, particularly in environments where power and operational efficiency are paramount.