Petrol two-wheel tractor
— four-stroke internal combustion engine running on gasoline.
The common advantages of all gasoline engines are fairly high power, mobility (the unit does not depend on a power cord) and the ability to quickly refuel (unlike a battery that takes time to charge). And compared to diesel engines, such engines are cheaper and easier to repair. However gasoline engines are very noisy and create exhaust gases, and gasoline is more expensive than diesel fuel and even more so electricity; however, these shortcomings are not so often critical.
The four-stroke scheme is considered the most advanced today: such motors are somewhat more complicated and more expensive than two-stroke ones, but they are more economical and not so noisy, and oil and gasoline are refueled separately in them — this is easier than preparing a mixture for a two-stroke unit.
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