The Landini 7550 is a utility tractor produced from 1978 to 1987 as part of the 550 Series. It features a Perkins 3.9L 4-cylinder liquid-cooled diesel engine producing 70 hp (52.2 kW) at 2200 RPM with 197.7 lb-ft (268.1 Nm) torque at 1200 RPM. The tractor has a 12-speed transmission with 12 forward and 4 reverse gears, and offers two- or four-wheel drive options. It includes power steering, wet disc brakes, and a standard cab. The hydraulic system delivers a total flow of 7.0 gpm (26.5 lpm), and the rear lift capacity is 5,248 lbs (2380 kg). The rear PTO operates at 540/ground. Dimensions include a 94.5 inch (240 cm) wheelbase, 159.1 inch (404 cm) length, and 107.1 inch (272 cm) height. Weight ranges from 6,897 lbs (3128 kg) for 2WD to 7,387 lbs (3350 kg) for 4WD. Tire options include 7.50-20 or 12.4-24 front tires and 13.6-38 rear tires. Related models include the Landini 6550, 7880, and 8550.