The Gilson 878 Cadet is a riding lawn mower introduced in 1966 by Gilson. It features a 4 hp Lauson V40 gasoline engine with a 180 cc displacement and a manual recoil starter. The transmission is a belt-driven gear type with one forward and reverse gear. It has two-wheel drive and an open operator station. The mower includes a 25-inch mid-mount Gilson mower deck with a single blade for cutting.