There are three different types of snowthrower drives available: auger, wheel and track. With an auger drive, the auger (the snow gathering component of the machine) propels as the user pushes the snowthrower. With a wheel-propelled drive system, the user depresses the handle and the auger spins. Like a propelled lawn mover, the wheel system helps propel the snowthrower. With a track drive, the wheels of the snowthrower are replaced with rugged track treads, like a tank. It is great for maneuvering through heavy snow, because slippage is virtually eliminated.
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