The Kubota JB11 is a sub-compact utility tractor produced from 2006 to 2008 as part of the JB Bullstar Series. It features a 10.3 hp (7.7 kW) Kubota Z482 0.5L 2-cylinder liquid-cooled diesel engine, a 6-speed transmission with 6 forward and 2 reverse gears, and four-wheel drive. The tractor has a wheelbase of 50 inches (127 cm), weighs 1102 lbs (499 kg), and comes with standard agricultural tires sized 4.00-10 front and 7-14 rear. It includes manual steering, wet disc brakes, and a two-post ROPS for operator safety. The rear PTO operates at 540 rpm. Electrical system is 12 volts with negative ground. Related models include the JB11X and JB13.