The Muir-Hill 111 is a four-wheel drive (4WD) tractor produced from 1972 to 1983 by Muir-Hill in Manchester, England. It features a Perkins 5.8L 6-cylinder diesel engine delivering 110 hp (82.0 kW) with a fuel tank capacity of 48 gallons (181.7 L). The tractor has an 8-speed gear transmission with 2 reverse gears and a 355.6mm dry disc clutch. It includes power steering, planetary final drives, hydraulic wet disc brakes, and a standard cab. The hydraulics system is open center with 2600 psi pressure and 11 gpm pump flow. The rear hitch is type II with position and draft control. The PTO is independent with hydraulic wet disc clutch and operates at 540 and 1000 RPM. Dimensions include a 75 inch (190 cm) wheelbase, 156 inch (396 cm) length, 82 inch (208 cm) width, and weight of 10700 lbs (4853 kg). Tires are 13.6/12x38 front and rear.