The 644 was produced in Neuss (GER) from 1974 to 1980.
From 1976, the tractor could be factory-equipped with the “Comfort 2000” system.
Power: 60 hp
Top speed: 30 km/h
Operating hours: 3,340 h
Fuel capacity: 74 liters
Price: €14,800 – €29,900
Maintenance costs: €76 per day
