John Deere S100 Riding Lawn Mower: Specs and Maintenance
The John Deere S100 riding lawn mower is a straightforward residential mower with a 17.5 HP single-cylinder engine, hydrostatic transmission, and 42-inch cutting deck. This guide covers the core specs—engine power, deck size, cutting height range, and fuel capacity—plus routine maintenance that keeps the mower running reliably. Most performance issues trace back to simple wear items: air filter, oil filter, spark plug, battery, blades, and deck belt. Regular checks before and after mowing prevent bigger problems down the road. Whether you’re troubleshooting a rough start or uneven cut, start with basic service before assuming major failure.












