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Forklift Engines

Forklifts are classed as vehicles with small engines. Forklift engines all follow the principles of internal combustion, though the numerous models and makes of lift truck would have a different design and layout. Forklifts are made more toward producing high torque rather than for speed. They normally are geared to low speeds. The engine runs the drive wheels of the forklift. The engine is also required to raise and lower the forks via a series of chain pulleys. The majority of modern lift truck engines are fueled by propane since they will be utilized indoors, where diesel and gasoline engines would be inappropriate because of the exhaust they generate.



Typically, the lift truck is a four-cylinder engine-block. Forklift engines are like automobile engines because they hold pistons connecting to a camshaft. The head of every cylinder has a spark plug, an intake hatch and an exhaust hatch, each of them one-way and spring-loaded.



Engine Function

Once the operator starts up the engine of the forklift, propane passes through the opened throttle-plate in a fine spray and mixes with air that comes from the mass air intake prior to moving into the head intake hatches of the cylinder. Each and every one of the four pistons is staggered to rise in a precise sequence, that compresses the air and propane mixture as each piston rises to the top of the head. With timing which is very precise, the engine's alternator and battery produce an electrical current which passes through the spark plug. The fuel ignites resulting in an explosion which drives the piston back down to the bottom of the cylinder, leading to a continuous turning of the camshaft. An air pressure imbalance in the cylinder causes the exhaust to be drawn out through the exhaust hatch as more fuel passes into the cylinder. Propane burns a lot cleaner than gasoline and diesel and the exhaust is not as harmful.

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