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Message: <blockquote data-quote="skidsteer.ca" data-source="post: 15539" data-attributes="member: 307">They are really simple. once you see one. A clutch plate is moved either left or right between to friction surfaces, depending on which way you move the steering lever. On the forward side the shafts and chains all rotate the same direction with the clutch being the point where power is disenguaged and applied to the wheel.On the oposite side the chains are arranged a little diffterent so when the chain gets to the clutch shaft it is going around the oposite side of the sprocket and rotating the opposite way. The clutch sits in between the two. As it enguages one clutch it moves away from the other. The oil is just there to cool the clutches and the inclosed system keep the outside dirt from jambing the clutches up.It takes 3 chains per side to acomplish this. Naturally there is a completely separate system for the left side wheels and the right side wheels.Now say your going forward andwant to tun right.The left lever would be held forward to keep the power onto the left wheels and the right lever has to be pulled into reverse a bit to apply braking to the right wheels so they don't merely coast along at the same speed as the wheels on the left. Which is often why the machine seems to steer poorly.On a hydro drive you center the steering stick and the wheels on that side can't turn. On a clutch drive centering the stick just unhooks the wheels from the drivetrains. If they would rather roll then stop, they will roll. With both levers in neutral they are free to coast down a hill at a frightening speed.Ken</blockquote>

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