Wikitractor

International Harvester 856

Production ended · 2WD or 4WD

PTO power · tested

100.5 hp

Weight
10,290 lb
Engines
3 Diesel · Gasoline · LP gas
Built
2,113
Price new · 1971
$9,640

Power

Engineno record
PTO100.5 hp tested
Drawbar87.2 hp tested
Listed power111 hp PTO basis

Engines

International Harvester 6.7L 6-cyl dieselDiesel · 6 cyl407 ci
International Harvester 4.9L 6-cyl gasolineGasoline · 6 cyl301 ci
International Harvester 4.9L 6-cyl LP gasLP gas · 6 cyl301 ci
Engine details
International Harvester 6.7L 6-cyl diesel
Bore × stroke
4.32 in × 4.63 in
Rated speed
2,400 rpm
Compression
17:1
Cooling
liquid-cooled
International Harvester 4.9L 6-cyl gasoline
Bore × stroke
3.81 in × 4.39 in
Rated speed
2,400 rpm
Compression
7.7:1
Cooling
liquid-cooled
International Harvester 4.9L 6-cyl LP gas
Bore × stroke
3.81 in × 4.39 in
Rated speed
2,400 rpm
Compression
8.8:1
Cooling
liquid-cooled

Transmissions

8-speed geargear8F / 4R
Torque Amplifiertwo-speed power shift16F / 8R
Transmission notes

Torque Amplifier: 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.

Weight

Weight10,290 lb operating; Diesel
Shipping9,370 lb
Ballasted12,035 lb

Dimensions

Wheelbase91 in
Length152 in
Width80 in

Capacities

Fuel tank42 gal

Hydraulics

Systemopen center
Pump flow12 gpm

Hitch

Rear hitch categoryII
Rear lift capacityno record

PTO

Rear PTOindependent
Rear PTO speeds540/1000
Engine rpm at PTO speed540@2100

Chassis

Drive2WD/4WD
Steeringpower
BrakesDifferential hydraulic dry disc brakes
CabOpen operator station. Cab optional

Tires

Front10.00-16
Rear18.4-38

Electrical

Chargingalternator
Charging output55 A

Production

Total built2,113
Price new$9,640 (1971)
FactoriesRock Island, Illinois, USA
Built byInternational Harvester

Variants

  • Farmall 856 row-crop tractor

Serial numbers

Serial number plate on the left side of the tractor's clutch housing.

YearFirst serial
19677501
19687904
19699016
19709544
19719653

Literature

  • Spring 1968 Buyer's Guide International Harvester
  • Summer-Fall 1968 Buyer's Guide International Harvester
  • World Wide Farm Equipment Buyer's Guide International Harvester*, 1968
  • Spring 1969 Buyer's Guide International Harvester
  • Spring 1970 Buyer's Guide International Harvester
  • Spring 1971 Buyer's Guide International Harvester
  • 756-856 Tractors International Harvester, 1968
  • 856 and 756 Tractors International Harvester, 1969
  • Farm Equipment Reference Catalog International Harvester, 1970
  • *Publication contains known errors.