The Kubota F3680 is a 36 hp (26.8 kW) lawn tractor produced from 2006 to 2013 as part of the F80 Series. It features a Kubota V1505 1499 cc 4-cylinder liquid-cooled diesel engine, hydrostatic transmission with infinite forward and reverse speeds, and 4x4 4WD drive with standard differential lock. The tractor includes power steering, wet disc brakes, and a two-post foldable ROPS. It has a 52 inch (132 cm) wheelbase, weighs 1581 lbs (717 kg), and rides on 24x12-12 front and 18x9.5-8 rear lawn/turf tires. The F3680 supports front PTO with an independent hydraulic wet disc clutch and PTO type 2545. Attachments include 60" and 72" front-mount mower decks with adjustable cut heights. Electrical system is 12 volts with a 40 amp alternator and negative ground.