International Harvester 856

The International Harvester 856 is a tractor produced by International Harvester. 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: 10,290 lbs 4667 kg.

Engine Power

100.49 hp 74.9 kW

Fuel & Capacities

LP gas

Transmission

Torque Amplifier

Operating Weight

10,290 lbs (diesel) 4667 kg

Overview

	1967 - 1971

Production
Manufacturer	International Harvester
Built in Rock Island, Illinois, USA
Total built	2,113 (diesel)
	4 (gasoline)
Original price was $9,640 in 1971

Variants
Farmall 856	row-crop tractor

International Harvester 856 Power
Drawbar (claimed)	90 hp 67.1 kW
PTO (claimed)	100.4 hp 74.9 kW
Drawbar (tested)	87.2 hp 65.0 kW
PTO (tested)	100.49 hp 74.9 kW
Performance test details ...

Mechanical
Two- or four-wheel drive
Steering	power
Differential hydraulic dry disc brakes
Open operator station. Cab optional.

Hydraulics
Type	open center
Pump flow	12 gpm 45.4 lpm

Tractor hitch
Rear Type	II

Power Take-off (PTO)
Rear PTO	independent
Rear PTO Type	540/1000

Dimensions & Tires
Weight	10,290 lbs 4667 kg
Front tire	10.00-16
Rear tire	18.4-38
Full dimensions and tires ...

References

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
756-856 Tractors published 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	12 qts 11.4 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 — International Harvester sliding gear

Transmission	International Harvester sliding gear
Gears	8 forward and 4 reverse

Transmission — Torque Amplifier

Transmission	Torque Amplifier
Type	two-speed power shift
Gears	16 forward and 8 reverse
Four gears with high and low ranges. Torque Amplifier (TA) provides a power shift between direct-drive (DD) and lower TA speed in each gear.
With 18.4-38 rear tires.

Dimensions

International Harvester 856 Tires
Ag front	10.00-16
Ag rear	18.4-38

Dimensions
Operating weight	10,290 lbs (diesel) 4667 kg
Ballasted weight	12,035 lbs 5459 kg

Tests

Nebraska Tractor Test 970
Diesel 16-speed 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	87.2 hp 65.0 kW
Fuel use	6.6 gal/hour 25.0 l/hour
Gear 1-Hi-TA used for power test.
Max pull	9,417 lbs 4271 kg
Gear 3-Lo-TA used for pull test.

Photos

International Harvester 856

Recommended Implements & Sizing Guide

Engineering recommendations for International Harvester 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 International Harvester 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