SPECS / COMPARISON
Farmall 856 vs International Harvester 686
A detailed comparison of the Farmall 856 and the International Harvester 686. Click a model name to view its full specifications.
Weight
Farmall 8564670.0 kg (10295.6 lbs)
International Harvester 6864690.0 kg (10339.7 lbs)
| Specification | Farmall 856 Agricultural Tractors | International Harvester 686 Agricultural Tractors |
|---|---|---|
| Tractor Type | Row-Crop Tractor | Utility Tractor |
| Horsepower | 70.8 kW (95.0 HP) | — |
| Weight | 4670.0 kg (10295.6 lbs) | 4690.0 kg (10339.7 lbs) |
| Transmission Type | Two-speed power shift with dry disc clutch | Two-speed power shift |
| Length | 416.0 cm (163.8 in.) | 411.0 cm (161.8 in.) |
| Years Made | 1967-1971 | 1976-1980 |
| Engine Model | International Harvester C-301 | International Harvester C291 |
| Engine Type | 4-stroke, liquid-cooled, inline | 4-stroke, liquid-cooled, inline |
| Fuel Type | Gasoline/LP-gas | Gasoline |
| Cylinders | 6 | 6 |
| Displacement | 4932 cc (301.0 cu in.) | 4769 cc (291.0 cu in.) |
| Bore | 9.70 cm (3.82 in.) | 9.50 cm (3.74 in.) |
| Stroke | 11.20 cm (4.41 in.) | 11.20 cm (4.41 in.) |
| Rear PTO Type | Independent | Independent |
| Rear PTO Speed | 1000, 540/1000 RPM | 540 RPM |
| Rated RPM | 2400 RPM | — |
| Compression Ratio | Gasoline: 7.7:1LP-gas: 8.8:1 | — |
| Starter | Electric | Electric |
| Height | 218.0 cm (Steering Wheel Height: 85.8 in.) | 266.0 cm (Cab Height: 104.7 in.) |
| Wheelbase | 266.0 cm (104.7 in.) | 261.0 cm (102.8 in.) |
| Fuel Tank Capacity | 181.7 l (Gasoline/Diesel: 42.0 gal (159.0 l) LP-gas: 48.0 gal) | 117.3 l (31.0 gal) |
| Oil Capacity | 8.5 l (2.2 gal) | 11.4 l (3.0 gal) |
| Coolant Capacity | 20.3 l (Gas version: 5.3 gal (19.9 l) LPG version: 5.4 gal) | 19.9 l (5.3 gal) |
| Transmission Oil Capacity | 64.4 l (17.0 gal) | 60.6 l (16.0 gal) |
| Transmission Model | Torque Amplifier | Torque Amplifier |
| Gears | 16 forward and 8 reverse | 10 forward and 2 reverse |
| Chassis | 4×2 2WD or 4×4 MFWD 4WD | 4×2 2WD |
| Max. Travel Speed | 14.9 km/h (Forward: 18.8 MPH (30.2 km/h) Reverse: 9.3 MPH) | 4.7 km/h (Forward: 16.4 MPH (26.4 km/h) Reverse: 2.9 MPH) |
| Brakes | Independent hydraulic disc | Disc |
| Drawbar Category | II | II |
| Cabin Type | Cab with heat and A/C | Two-post fixed ROPS |
| Hitch Type | IH Fast Hitch | — |
| Steering Type | Hydrostatic power | Power |
| Front Tires | Ag: 7.50-16 | Ag: 7.50-16 |
| Rear Tires | Ag: 16.9-38 | Ag: 15.5-38 |
| Hydraulic Capacity | — | 60.6 l (16.0 gal) |
| Hydraulic Type | — | Open center |
| Total Flow | — | 45.4 LPM (12.0 GPM) |
Values come from the manufacturer-sourced model files; empty cells mean the property is not published for that model. No performance ranking is applied.
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