The Yanmar AF-18 is a compact utility tractor introduced in 1992 as part of the AF Series. It features a 1.0L 3-cylinder liquid-cooled diesel engine producing 17.8 hp (13.3 kW). The tractor offers an 8-speed transmission with an optional 12-speed creeper, four-wheel drive, and two-post ROPS for operator safety. It has a fuel tank capacity of 5.3 gallons (20.1 L) and standard agricultural tires sized 6.00-12 front and 8.3-22 rear. Dimensions include a wheelbase of 53.2 inches (135 cm), length of 103.2 inches (262 cm), width of 43.3 inches (109 cm), and height of 74.2 inches (188 cm). The tractor weighs 1653 lbs (749 kg) and features a rear PTO with 540 RPM. Electrical system is 12 volts with a 45 AH battery and negative ground.