The Gilson 992 25A is a 1963 riding lawn mower manufactured by Gilson. It features a 4 hp Briggs & Stratton 170cc 1-cylinder gasoline engine with manual recoil start. The mower has a belt-driven gear transmission with 1 forward and reverse gear, two-wheel drive, and manual steering. It weighs 248 lbs (112 kg) and rides on 10x2.75 front tires and 12x3.50/4.10 rear tires. The mower is equipped with a 25-inch mid-mount Gilson mower deck with a single blade, providing efficient lawn cutting.