Power: 68 hp[P] Date of manufacture : 1972 - 1973
Production Manufacturer: International Harvester Type: Utility tractor Factory: Rock Island, Illinois, USA Original price: $7,500 (1973 ) International Harvester 664 Power PTO (claimed): 61.5 hp 45.9 kW International Harvester 664 Engine Mechanical Chassis: 4x2 2WD Cab: Open operator station. Transmissions: 10-speed   5-speed Photos International Harvester 664 photos... Hydraulics Pump flow: 6 gpm 22.7 lpm Tractor hitch Rear Type: II Power Take-off (PTO) Rear PTO: independent Rear RPM: 540 Dimensions & Tires Weight: 6000 lbs 2721 kg Front tire: 6.50-16 Rear tire: 14.9-30 Full dimensions and tires ... 664 Serial Numbers 1972: 2501 1973: 3212 how to read serial numbers...

International Harvester 654	Power: 60 hp	Date of manufacture : 1972 - 1974

International Harvester 654-S	Power: 0	Date of manufacture : 0000 - 0000

International Harvester 656	Power: 70 hp[P]	Date of manufacture : 1965 - 1973

International Harvester 660	Power: 95 hp	Date of manufacture : 1959 - 1963

International Harvester 664	Power: 68 hp[P]	Date of manufacture : 1972 - 1973

International Harvester 666	Power: 73 hp[P]	Date of manufacture : 1972 - 1976

International Harvester 674	Power: 65 hp[P]	Date of manufacture : 1973 - 1977

International Harvester 684	Power: 69 hp	Date of manufacture : 1977 - 1984

International Harvester 685	Power: 71 hp	Date of manufacture : 1981 - 1985