What are the main types of engines commonly used in heavy equipment?

The primary types of engines commonly utilized in heavy equipment are diesel engines and gasoline engines. Diesel engines are particularly favored in heavy machinery due to their efficiency and higher torque output, which are critical for tasks involving substantial loads or extended operation periods. These engines tend to be more fuel-efficient compared to gasoline engines, making them the preferred choice in construction, mining, and agriculture, where heavy equipment is often used.

Gasoline engines, while less common in large-scale heavy equipment, are still relevant for certain applications or smaller equipment where lighter weight and lower power are sufficient. Their faster start-up times and smoother operation can be advantageous in specific scenarios.

The other types of engines mentioned—electric, solar, hybrid, compressed air, piston, and rotary engines—either represent newer technologies not yet widely adopted in heavy equipment, or have limitations that make them less suitable compared to diesel and gasoline engines in high-demand industrial applications.