SPECS / COMPARISON
Farmall 856 vs International Harvester 966
A detailed comparison of the Farmall 856 and the International Harvester 966. Click a model name to view its full specifications.
Horsepower
Farmall 85670.8 kW (95.0 HP)
International Harvester 96667.9 kW (91.0 HP)
Weight
Farmall 8564670.0 kg (10295.6 lbs)
International Harvester 9665300.0 kg (Gear: 11111.3 lbs (5040.0 kg) Hydro: 11684.5 lbs)
| Specification | Farmall 856 Agricultural Tractors | International Harvester 966 Agricultural Tractors |
|---|---|---|
| Tractor Type | Row-Crop Tractor | Row-Crop Tractor |
| Horsepower | 70.8 kW (95.0 HP) | 67.9 kW (91.0 HP) |
| Weight | 4670.0 kg (10295.6 lbs) | 5300.0 kg (Gear: 11111.3 lbs (5040.0 kg) Hydro: 11684.5 lbs) |
| Transmission Type | Two-speed power shift with dry disc clutch | Hydrostatic |
| Length | 416.0 cm (163.8 in.) | 419.0 cm (165.0 in.) |
| Years Made | 1967-1971 | 1971-1976 |
| Engine Model | International Harvester C-301 | International Harvester D414 |
| Engine Type | 4-stroke, liquid-cooled, inline | 4-stroke, liquid-cooled, inline |
| Fuel Type | Gasoline/LP-gas | Diesel |
| Cylinders | 6 | 6 |
| Displacement | 4932 cc (301.0 cu in.) | 6784 cc (414.0 cu in.) |
| Bore | 9.70 cm (3.82 in.) | 10.90 cm (4.29 in.) |
| Stroke | 11.20 cm (4.41 in.) | 12.09 cm (4.76 in.) |
| Rear PTO Type | Independent | Independent |
| Rear PTO Speed | 1000, 540/1000 RPM | 540 /1.000 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 (104.7 in.) |
| Wheelbase | 266.0 cm (104.7 in.) | 266.0 cm (104.7 in.) |
| Fuel Tank Capacity | 181.7 l (Gasoline/Diesel: 42.0 gal (159.0 l) LP-gas: 48.0 gal) | 140.0 l (37.0 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) | 22.7 l (6.0 gal) |
| Transmission Oil Capacity | 64.4 l (17.0 gal) | 85.2 l (22.5 gal) |
| Transmission Model | Torque Amplifier | — |
| Gears | 16 forward and 8 reverse | Infinite forward and reverse |
| Chassis | 4×2 2WD or 4×4 MFWD 4WD | 4×2 2WD or 4×4 MFWD 4WD |
| Max. Travel Speed | 14.9 km/h (Forward: 18.8 MPH (30.2 km/h) Reverse: 9.3 MPH) | 29.0 km/h (Forward: 18.0 MPH (29.0 km/h) Reverse: 18.0 MPH) |
| Brakes | Independent hydraulic disc | Independent hydraulic dry disc |
| Drawbar Category | II | II or IH Fast Hitch |
| Cabin Type | Cab with heat and A/C | Cab heat and A/C |
| Hitch Type | IH Fast Hitch | — |
| Steering Type | Hydrostatic power | Hydrostatic power |
| Front Tires | Ag: 7.50-16 | Ag: 9.5L-15 |
| Rear Tires | Ag: 16.9-38 | Ag: 18.4-34 |
| Lift Capacity | — | 2270.0 kg (Cat II: 4398.2 lbs (1995.0 kg) IH Fast Hitch: 5004.5 lbs) |
| Pump Flow | — | 45.4 LPM (12.0 GPM) |
| Battery | — | Two 6V, 172 Ah |
| Ground Clearance | — | 35.0 cm (13.8 in.) |
| Hydraulic Capacity | — | 85.2 l (22.5 gal) |
| Hydraulic Type | — | Open center |
| Total Flow | — | 90.8 LPM (24.0 GPM) |
| Steering Flow | — | 34.1 LPM (9.0 GPM) |
| PTO Pump Flow | — | 11.4 LPM (3.0 GPM) |
| Working Pressure | — | 137.9 bar (2000.0 psi) |
| Valves | — | 1 to 4 |
Values come from the manufacturer-sourced model files; empty cells mean the property is not published for that model. No performance ranking is applied.

