The Lawn Boy 10603 push lawn mower is a quality piece of equipment from a brand that you can trust. It uses an engine from Kohler to power the blades. This engine has a total displacement of 0.149 liters and uses overhead valves to give it a longer lifespan. Fortunately a smart choke system has been built into the 10603 that makes starting the engine very easy without having to first prime it. The engine is started by the operator using a pull cord recoil starting mechanism. This starting mechanism features Lawn Boy’s ‘Easy Pull’ starting mechanism which makes pulling very easy.

The power from the Kohler engine on the Lawn Boy 10603 push mower is transferred to the mower deck. This mower deck has a cutting width of 20 inches. The engine turns just a single 20 inch blade. This small mowing deck is ideal for small gardens as it doesn’t use too much fuel, while at the same time it is highly capable of mowing tight and hard to reach patches of lawn. The deck also has a lot of redundant volume above the mower blade which allows for superior mulching. Mulching is made easier thanks to the fact that the mower blade is a tri-cut blade. The deck on the 10603 walk behind push lawnmower can be raised up to a high of 4 inches above the ground from a low of 1 inch above the ground.

While the tri-cut blade on the Lawn Boy 10603 push lawn mower makes it excellent at mulching, it collects the grass clippings in a rear bagger attachment. This will leave your lawn much neater and cleaner looking than if you just discharged the grass clippings back out onto your lawn to rot. Unfortunately the Lawn Boy 10603 is no CARB compliant which means that it is not available for sale in California. Other models of push lawn mower from Lawn Boy include the Lawn Boy 10604, the Lawn Boy 10605 and the Lawn Boy 10606 lawn mowers.

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