The Bolens QS-16 1660 is a garden tractor produced from 1974 to 1977 as part of the Q Series. It features a 16 hp Kohler K341 588cc 1-cylinder air-cooled gasoline engine, a Sundstrand 15 shaft-driven hydrostatic transmission with infinite forward and reverse speeds, and manual steering with disc brakes. The tractor has an open operator station with an optional soft-side cab. Dimensions include a 48.5 inch wheelbase, 70.5 inch length, 30.25 inch width, and 45 inch height, weighing 850 lbs. It offers optional rear sleeve hitch and independent PTOs with electric clutch. Attachments include a 48-inch mid-mount mower deck, snowblowers, blades, front-end loader, and optional rear tiller.