Farmall 856
The Farmall 856 is a tractor produced by Farmall. It is equipped with a 301 ci 4.9 L engine. The listed engine power is 100.49 hp 74.9 kW. Transmission: Torque Amplifier. Operating weight: 9270 to 10290 pounds.
Engine Power
100.49 hp
74.9 kW
Fuel & Capacities
LP gas
Transmission
Torque Amplifier
Operating Weight
9270 to 10290 pounds
Overview
 | 1967 - 1971
56 SeriesRow-Crop tractor
56 Series
Row-Crop tractor |
|---|
Production | |
|---|---|
Manufacturer | Farmall (a part of International Harvester) |
Row-Crop tractor | |
Built in Rock Island, Illinois, USA | |
Total built | 23,211 (F856 total) |
3,676 (F856 Custom total) | |
International Harvester offered the model 856 in a version called the "856 Custom". The 856 Custom was a low-cost tractor with single hydraulics, Fast Hitch, smaller fuel tank, and single headlight on the fenders. | |
Variants | |
|---|---|
IH 856 | standard chassis |
Farmall 856 | row-crop chassis |
856 Custom | economy model |
Farmall 856 Power | |
|---|---|
PTO (claimed) | 95 hp
70.8 kW |
Drawbar (tested) | 87.17 hp
65.0 kW |
PTO (tested) | 100.49 hp
74.9 kW |
Performance test details ...  | |
Mechanical | |
|---|---|
Two- or four-wheel drive | |
Power steering | |
Independent hydraulic disc brakes | |
Cab optional with heat and air-conditioning. |
Tractor hitch | |
|---|---|
Rear Type | 2 |
Type | IH Fast Hitch |
Power Take-off (PTO) | |
|---|---|
Rear PTO | independent |
Rear PTO Type | 1000 |
540/1000 | |
Engine RPM | 540@2100 |
1000@2100 | |
Dimensions & Tires | |
|---|---|
Wheelbase | 105 inches
266 cm |
Weight | 9270 to 10290 pounds |
Front tire | 7.50-16 |
Rear tire | 16.9-38 |
Full dimensions and tires ...  | |
References | |
|---|---|
 | |
Farm Loaders published in 1970, by International Harvester | |
Spring 1968 Buyer's Guide published by International Harvester | |
Summer-Fall 1968 Buyer's Guide published by International Harvester | |
World Wide Farm Equipment Buyer's Guide published in 1968, by International Harvester* | |
Spring 1969 Buyer's Guide published by International Harvester | |
Spring 1970 Buyer's Guide published by International Harvester | |
Spring 1971 Buyer's Guide published by International Harvester | |
Farmall 756 and 856 Tractors published by International Harvester | |
Farm Equipment Reference Catalog published in 1968, by International Harvester | |
Farm Equipment Reference Catalog published in 1970, by International Harvester | |
*Publication contains known errors. |
Engine
Engine options | |
|---|---|
International Harvester 6.7L 6-cyl diesel | |
International Harvester 4.9L 6-cyl gasoline | |
International Harvester 4.9L 6-cyl LP gas |
Engine Detail — 406.9 ci / 6.7 L Diesel
Manufacturer | International Harvester D-407 |
Fuel Type | Diesel |
Configuration | 6-cylinder, liquid-cooled |
Displacement | 406.9 ci
6.7 L |
Bore/Stroke | 4.321x4.625 inches
110 x 117 mm |
Air cleaner | dual dry elements |
Compression | 17:1 |
Rated RPM | 2400 |
Starter volts | 12 |
Oil capacity | 13 qts
12.3 L |
Coolant capacity | 24 qts
22.7 L |
Engine Detail — 301 ci / 4.9 L Gasoline
Manufacturer | International Harvester C-301 |
Fuel Type | Gasoline |
Configuration | 6-cylinder, liquid-cooled |
Displacement | 301 ci
4.9 L |
Bore/Stroke | 3.8125x4.39 inches
97 x 112 mm |
Air cleaner | dual dry elements |
Compression | 7.7:1 |
Rated RPM | 2400 |
Oil capacity | 9 qts
8.5 L |
Coolant capacity | 21 qts
19.9 L |
Engine Detail — 301 ci / 4.9 L LP Gas
Manufacturer | International Harvester C-301 |
Fuel Type | LP gas |
Configuration | 6-cylinder, liquid-cooled |
Displacement | 301 ci
4.9 L |
Bore/Stroke | 3.8125x4.39 inches
97 x 112 mm |
Air cleaner | dual dry elements |
Compression | 8.8:1 |
Rated RPM | 2400 |
Oil capacity | 9 qts
8.5 L |
Coolant capacity | 21.5 qts
20.3 L |
Transmission
Transmission options | |
|---|---|
8-speed | |
16-speed two-speed power shift |
Transmission — sliding gear
Transmission | sliding gear |
Gears | 8 forward and 4 reverse |
Clutch | dry disc |
Oil capacity | 68 qts
64.4 L |
With 16.9-38 rear tires. | |
 | |
Transmission — Torque Amplifier
Transmission | Torque Amplifier |
Type | two-speed power shift |
Gears | 16 forward and 8 reverse |
Clutch | dry disc |
Oil capacity | 68 qts
64.4 L |
With 16.9-38 rear tires. | |
 | |
Dimensions
Farmall 856 Tires | |
|---|---|
Ag front | 7.50-16 |
Ag rear | 16.9-38 |
Dimensions | |
|---|---|
Wheelbase | 105 inches
266 cm |
Length | 164 inches
416 cm |
Width | 92 inches
233 cm |
Height (steering wheel) | 86 inches
218 cm |
Farmall 856 Weight | |
|---|---|
Shipping | 9270 lbs
4204 kg |
Operating | 10290 lbs
4667 kg |
Ballasted | 12035 lbs
5459 kg |
Tests
Nebraska Tractor Test 970 | |
|---|---|
Diesel Torque Amplifier 2WD
April 15 - 30, 1968
Link: Nebraska Tractor Test 970 file | |
PTO performance | |
Power at rated engine speed | 100.49 hp
74.9 kW |
Fuel use | 6.6 gal/hour
25.0 l/hour |
Power at rated PTO speed | 94.29 hp
70.3 kW |
Fuel use | 6.0 gal/hour
22.7 l/hour |
Drawbar performance | |
Max power | 87.17 hp
65.0 kW |
Fuel use | 6.6 gal/hour
25.0 l/hour |
Gear 1-H-TA used for power test. | |
Max pull | 9,417 lbs
4271 kg |
Gear 3-L-TA used for pull test. | |
Photos
Farmall 856, front-right view.
Farmall 856 Custom.
Farmall 856 Custom.
Farmall 856, front-right view.
International 856 Hi-Clear.
International 856 Hi-Clear.
Recommended Implements & Sizing Guide
Engineering recommendations for Farmall 856 based on its 100.49 HP power envelope and ASAE agricultural standards.
| Implement & Operation | Recommended Size | Workload Rating | Engineering Notes |
|---|---|---|---|
Moldboard PlowPrimary Tillage | 4 to 5 Bottom (16-18")4 - 5 铧 (40-45 cm) | Heavy Duty | Heavy primary tillage; semi-mounted hitch recommended. |
Rotary Cutter / MowerMowing & Clearing | 10 to 12 ft Flex-Wing3.0 - 3.6 m 折叠双翼 | Heavy Duty | Wide swath pasture and crop residue shredding. |
Rotary TillerSeedbed Prep | 90 to 120 in Heavy Duty230 - 300 cm 重型旋耕机 | Commercial / Field Scale | Deep intensive seedbed preparation for commercial row crops. |
Disc HarrowSecondary Tillage | 10 to 14 ft Tandem / Offset3.0 - 4.2 m 重型交错耙 | Heavy Duty | Aggressive residue cutting in corn/cotton stubble. |
Hay BalerHay & Forage | 5x6 Round Baler or 3x3 Mid Square1.5x1.8 m 大圆捆或中型方捆机 | Heavy Duty | High density baling; requires minimum 85 PTO HP. |
Sizing & Soil Condition NoteActual implement sizing varies depending on local soil conditions (heavy clay vs sandy loam), field slope, and operating speed. Heavy tillage implements may require front ballast weights and wheel weights.
Fluids, Capacities & Working Autonomy
Standard fluid requirements, service intervals, and continuous runtime estimates for Farmall 856.
Estimated Continuous Field Runtime: 1.3 hrs
Approximately 1.3 hours of continuous field operation at ~75% rated power on a full tank (6.6 gal / 25 L).
Estimated 75% Load Fuel Burn~5.2 gal/hr (19.8 L/hr)
Engine Crankcase Oil
SAE 15W-40 (Heavy Duty Diesel)
Standard Spec: API CK-4 / CJ-4 Heavy Duty
Service Interval: 150 – 250 Hours
Transmission & Hydraulic System
UTTO (Universal Tractor Transmission Oil)
Standard Spec: ISO VG 46 / 68 (Wet Brake & Trans Compatible)
Service Interval: 600 – 1000 Hours
Engine Cooling System
50/50 Ethylene Glycol Pre-mix
Standard Spec: ASTM D6210 / Heavy-Duty OAT Antifreeze
Service Interval: 2 Years / 1500 Hours
Farmall 856 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Farmall 856.
Converted Equivalents:
Horsepower (HP)100.5 hp
Kilowatts (kW)74.9 kW
Metric Horsepower (PS / CV)101.9 PS
Direct Competitor Comparison
Compare Farmall 856 against same-era industry alternatives in the same horsepower class.
Current Model
Farmall
Farmall 856
Engine Power:100.49 hp
74.9 kW
★ Baseline Reference
Related models
Farmall 756
- Power:
- 85
- Production years:
- 1967 - 1971
Farmall 766
- Power:
- 88.6
- Production years:
- 1971 - 1976
Farmall 706
- Power:
- 89
- Production years:
- 1963 - 1967
Farmall Hydro 70
- Power:
- 90
- Production years:
- 1973 - 1976
Farmall 966
- Power:
- 91
- Production years:
- 1971 - 1976