Power: 73 hp[P] Date of manufacture : 1976 - 1980
Production Manufacturer: International Harvester Total built: 6,000 Original price: $14,700 (1980 ) Mechanical Chassis: 4x2 2WD Steering: power Brakes: disc Cab: Two-post fixed ROPS. Transmission: 10-speed two-speed power shift Photos International Harvester 686 photos... Capacity Fuel: 31 gal 117.3 L Hydraulic system: 16 gal 60.6 L Hydraulics Type: open center Capacity: 16 gal 60.6 L Total flow: 12 gpm 45.4 lpm Tractor hitch Rear Type: II Power Take-off (PTO) Rear PTO: independent Rear RPM: 540 (1.375) Dimensions & Tires Wheelbase: 103 inches 261 cm Weight: 7770 lbs 3524 kg Front tire: 7.50-16 Rear tire: 15.5-38 Full dimensions and tires ... 686 Serial Numbers Location: Clutch housing on right side. 1976: 7500 1977: 7729 1978: 9899 1979: 11417 1980: 12923 how to read serial numbers...

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

International Harvester 686	Power: 73 hp[P]	Date of manufacture : 1976 - 1980

International Harvester 696	Power: 89 hp	Date of manufacture : 1971 - 1973

International Harvester 706	Power: 80 hp[P]	Date of manufacture : 1963 - 1967

International Harvester 724	Power: 67 hp	Date of manufacture : 1969 - 1974

International Harvester 733	Power: 59 hp	Date of manufacture : 1980 - 1990