The Steiger 105 is a four-wheel drive articulated farm tractor produced by Steiger from 1960 to 1963 as part of the Barn Series. It was built in Red Lake Falls, Minnesota, USA, with a total production of approximately 3 to 6 units. The tractor is powered by a Detroit Diesel 3-71N 3-cylinder, 2-cycle, liquid-cooled diesel engine with 118 hp (88.0 kW) output at 2300 RPM. It features a Spicer 10-speed transmission with 10 forward and 2 reverse gears, articulated power steering, and an open operator station. The tractor has 4x4 articulated 4WD drive and optional independent rear PTO with 540 RPM. Tires are sized 18.4-26 on both front and rear.