A fabricated deck can be built from thicker steel at a lower cost than it would be able to be built otherwise. Some mowers use a deck stamped from one piece of steel, others use a deck fabricated from multiple pieces and welded together. When it comes to transmission, most mowers have a Hydrogear EZT-a well-known and cost-effective residential-grade transaxle with a reputation for durability. Battery-powered zero-turn mowers work the same way, but have separate motors to drive the rear wheels and one for each blade inside the mower deck. Aside from a parking brake, there’s no other braking mechanism. When the lap bars are in the neutral position, the mower stops. When the wheels rotate at different rates, the mower turns in an arc-shaped path. When one drive wheel turns clockwise and the other counter clockwise, the mower pivots. When you move the lap bar forward or back, you are directing the transmission to go faster, slower, or even turn the opposite way. One group of pulleys drives the blades, another group powers a pair of transmissions–one at each rear wheel. In gas mowers, the engine powers a pulley system.
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