The Fiat 666 is a utility tractor from the 66 Series produced by Fiat from 1982 to 1986. It features a 3.5L 4-cylinder liquid-cooled diesel engine producing 68 hp (50.7 kW) with a 12-speed transmission (12 forward and 4 reverse). Available in 2WD and 4WD variants, it includes power steering on 4WD models, wet disc brakes, and a standard cab. The tractor has a rear hitch type II with a lift capacity of 6922 lbs (3139 kg) and a rear PTO with 540/1000 rpm options. Hydraulics pump flow is 8.9 gpm (33.7 lpm). Dimensions include a 2WD wheelbase of 90.6 inches (230 cm), 4WD wheelbase of 88.6 inches (225 cm), and length of 155 inches (393 cm). Weights range from 6700 lbs (3039 kg) for 2WD to 7275 lbs (3299 kg) for 4WD. Tire sizes vary by drive type with 2WD using 7.50-16 front and 16.9-30 rear tires, and 4WD using 11.2-24 front and 16.9-30 rear tires. Electrical system is 12 volts with negative ground.
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