The IMT 577 is a farm tractor produced by IMT starting in 1983. It features a 4.1L 4-cylinder diesel engine producing 70 hp (52.2 kW) with a 10-speed transmission offering 10 forward and 2 reverse gears. The tractor offers two- or four-wheel drive options, hydrostatic power steering, and disc brakes. It has a rear lift capacity of 4630.5 lbs (2100 kg) and a rear PTO speed of 540 rpm. The fuel tank capacity is 23.8 gallons (90.1 L) with an optional 29 gallons (109.8 L). Hydraulics provide a total flow of 6 gpm (22.7 lpm) with an optional 8.7 gpm (32.9 lpm). Dimensions include a wheelbase of 87.4 inches (221 cm), length of 166.9 inches (423 cm), height of 105.5 inches (267 cm), and weight of 8,015 lbs (3635 kg). Tire options include front tires of 7.50-16 or 9.5-24 and rear tires of 18.4-30.