The air compressor is connected to the engine through _________.

The air compressor is connected to the engine through gears or v-belt. This connection allows the engine to power the air compressor, which then compresses air and stores it in a tank. The compressed air can then be used to power a variety of pneumatic tools and equipment.
The gears or v-belt that connect the air compressor to the engine are typically located on the front of the engine. The air compressor itself is usually mounted on the frame of the vehicle or machine.