international harvester 686
![]() | 1976 - 1980 | 1976 - 1980 |
|---|---|---|
1976 - 1980 | ||
1976 - 1980 |
|---|
Production | |
|---|---|
Manufacturer | International Harvester |
Total built | 6,000 |
Original price was $14,700 in 1980 | |
The International Harvester 686 is nearly identical to the IH 666, it was simply renamed when the 86 series arrived in 1976. One major change did occur in 1979, when the 310 diesel replaced the 312. | |
International Harvester 686 Engines | |
|---|---|
International Harvester 5.1L 6-cyl diesel | |
International Harvester 4.8L 6-cyl gasoline | |
Engine details ... |
International Harvester 686 Transmission | |
|---|---|
10-speed two-speed power shift | |
Transmission details ... |
International Harvester 686 Power | |
|---|---|
Drawbar (tested) | 58.01 hp
43.3 kW |
PTO (tested) | 66.36 hp
49.5 kW |
Performance test details ... | |
Mechanical | |
|---|---|
Two-wheel drive | |
Power steering | |
Disc brakes | |
Two-post fixed ROPS. |
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 PTO Type | 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 |
FAQ: How to read a serial number table. | |
References | |
|---|---|
![]() | |
1979 Buyer's Guide published by International Harvester | |
Agricultural Equipment Reference Catalog published in 1980, by International Harvester |
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