The Mitsubishi GSK18 is a half-track crawler tractor produced from 2003 to 2005 as part of the GS Series. It features an Isuzu 1.0L 3-cylinder liquid-cooled diesel engine producing 17.7 hp (13.2 kW) and a 6-speed transmission with 6 forward and 2 reverse gears. The tractor has a half-track drive, power steering, wet disc brakes, and a two-post ROPS for operator safety. It has a rear JIS0 hitch and a 540 RPM rear PTO. Dimensions include a 53 inch wheelbase, 103.5 inch length, and 49.6 inch width, with a weight of 2050 lbs (929 kg). The front tires are 6.00-12 and the rear uses 330mm tracks. Electrical system is 12 volts with negative ground.