It's a combination of electric and hydraulic. A unit sits behind the blade on the bracket. A 12 volt motor about the size of a starter motor drives a built-in hydraulic pump. There are hydraulic cylinders that lift the blade and angle it. A T handle "joy stick" in the cab controls the lift and the blade angle through armored cables similar to shift and throttle controls on a boat.
A micro switch in the controller applies power to the unit and runs the motor only when hydraulic pressure is called for.
Make sense? I once had a unit that was pure hydraulic and used a Chrysler power steering pump for a hydraulic pump. Which required a bracket for the pump and another belt off the crank pulley to run it.
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Today's Featured Article - Restoration Story: Fordson Major - by Anthony West. George bought his Fordson Major from a an implement sale about 18 years ago for £200.00 (UK). There is no known history regarding its origins or what service it had done, but the following work was undertaken alone to bring it up to show standard. From the engine number, it was found that this Major was produced late 1946. It was almost complete but had various parts that would definitely need replacing.
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