International Harvester 684
Production ended · 2WD or 4WD
PTO power · claimed
62.5 hp
- Weight
- 5,620 lb
- Engines
- 1 Diesel
- Built
- no record
- Price new · 1984
- $21,100
Power
| Engine | 69 hp unspecified |
|---|---|
| PTO | 62.5 hp claimed |
| Drawbar | 55.9 hp claimed |
| Drawbar, tested | 54.6 hp |
| Listed power | 69 hp engine basis |
| Plows rated | 4 |
Engines
| International Harvester 3.9L 4-cyl dieselDiesel · 4 cyl | 239 ci |
|---|
Engine details
- International Harvester 3.9L 4-cyl diesel
- Bore × stroke
- 3.88 in × 5.06 in
- Rated speed
- 2,400 rpm
- Rated power
- 69 hp
- Cooling
- liquid-cooled
Transmissions
| 8-speed syncromeshsyncromesh | 8F / 4R |
|---|---|
| Torque Amplifiertwo-speed power shift | 16F / 8R |
Transmission notes
8-speed syncromesh: Four synchronized gears in high, low, and reverse ranges.
Torque Amplifier: The optional Torque Amplifier (TA) provides a clutchless on-the-move shift from direct drive (DD) to a lower TA speed.
Weight
| Weight | 5,620 lb unspecified |
|---|---|
| Shipping | 5,720 lb |
| Ballasted | 9,660 lb |
Dimensions
| Wheelbase | 88 in |
|---|---|
| Length | 142 in |
| Width | 74 in |
| Height | 100 in unspecified |
Capacities
| Fuel tank | 20 gal |
|---|---|
| Hydraulic system | 9 gal |
Hydraulics
| System | open center |
|---|---|
| Pump flow | 13 gpm |
| Remote valves | 1 or 2 |
Hitch
| Rear hitch category | II |
|---|---|
| Control | position and draft control |
| Rear lift capacity | 3,600 lb |
PTO
| Rear PTO | independent |
|---|---|
| Rear PTO speeds | 540 |
| Clutch | hydraulic wet disc |
Chassis
| Drive | 2WD/4WD |
|---|---|
| Steering | Power steering |
| Brakes | Independent hydraulic wet disc brakes |
| Cab | ROPS canopy or cab optional |
Tires
| Front | 7.50-16 |
|---|---|
| Rear | 16.9-30 |
Electrical
| System voltage | 12 V |
|---|---|
| Charging output | 45 A |
| Ground | negative |
Production
| Price new | $21,100 (1984) |
|---|---|
| Factories | Doncaster, England |
| Built by | International Harvester |
Serial numbers
Serial number plate on the the front axle support on right side of tractor.
| Year | First serial |
|---|---|
| 1978 | 501 |
| 1979 | 1687 |
| 1980 | 3533 |
| 1981 | 6037 |
| 1982 | 8001 |
| 1983 | 8512 |
| 1984 | 9352 |
Literature
- 1985 Farm Equipment Buyer's Guide CaseIH
- 1979 Buyer's Guide International Harvester
- Buyer's Guide 1981 International Harvester
- Buyer's Guide 1982 International Harvester
- 84 Series Hi-Performers International Harvester, 1978
- International Series 84 Utility/Row-Crop Tractors International Harvester, 1978
- International Series 84 tractors International Harvester, 1982
- International Series 84 Tractors International Harvester, 1983
- Agricultural Equipment Reference Catalog International Harvester, 1980