The Deutz-Fahr AgroStar 6.61 is a farm tractor produced from 1990 to 1995 as part of the AgroStar Series. It features a 6.1L air-cooled turbocharged diesel engine producing 143 hp (106.6 kW) with options for 18-speed or 48-speed transmissions. The tractor has a four-wheel drive system, a rear lift capacity of 16537 lbs (7501 kg), and a rear PTO with 540 and 1000 rpm options. It has a wheelbase of 107.1 inches (272 cm), length of 193.3 inches (490 cm), height of 115.8 inches (294 cm), and weighs 11907 lbs (5401 kg). The fuel tank capacity is 76.6 gallons (289.9 L). Front tires are 18.4R26 and rear tires are 20.8R38.