Muir-Hill 121

The Muir-Hill 121 is a four-wheel drive (4WD) tractor built by Muir-Hill in Manchester, England from 1972 to 1983. It features a Ford 6.2L 6-cylinder diesel engine producing 120 hp (89.5 kW) with a direct injection fuel system and a rated speed of 2500 RPM. 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 hydraulic system is open center with 2600 psi pressure and 11 gpm pump flow. The rear hitch is category 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 wheelbase, 156 inch length, 82 inch width, and a weight of 10700 lbs. Tires are 13.6/12x38 front and rear. Electrical system includes a 12 volt alternator and 128 AH battery.