The Gutbrod RSB 100-12 is a lawn tractor produced from 1991 to 1995 in Saarbrucken, Germany. It features a 12 hp (8.9 kW) 1-cylinder air-cooled gasoline engine with electric start, a 5-speed belt-driven gear transmission with 1 reverse gear, and two-wheel drive with manual steering. The tractor has an open operator station and an independent mid PTO. It comes equipped with a 99 cm mid-mount mower deck. Electrical system is 12 volts with negative ground.