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The Simplicity Wonder Boy. 5hp.

Most advanced riding mower on the market. That's because the Wonder Boy meets the same high standards as all Simplicity tractors. Two models, 24" or 28" cutting width. Patented Simplicity Non-Scalp mower tilts with front wheels, following them over contours while anti-scalp rollers at rear of housing prevent bald spots or skips. Cutting height adjusts by one knob, from 2" to 3-1/8 " on the 24" model, and from 1-5/8" to 3-1/8" on the 28" unit. There's even a two-speed forward and reverse all-gear transmission to tailor travel speed to work load. To spend your lawn and garden chores, the Wonder Boy also hauls a 10 cu. ft. or 4 cu ft. dump cart, a grass sweeper, or a 36" lawn roller. Compare and see for yourself. You can't get a finer riding mower at any price!

[Source: Brochure, Simplicity 1970, Form 869, courtesy of William Harm]