International Harvester 856
Series map:
756
856
1256
101.0hp
105.6hp*
125.6hp*
*Estimated engine power for comparison only.
| Production |
| Manufacturer | International Harvester
|
| Built in Rock Island, Illinois, USA |
| Total built | 2,113 (diesel)
|
| | 4 (gasoline)
|
| Original price was $9,640 in 1971 |
| International Harvester 856 Power |
| Diesel PTO (claimed) | 95 hp
70.8 kW
|
| Gas PTO (claimed) | 93 hp
69.4 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
|
| Engine RPM | 540@2100
|
| | 1000@2100
|
| 856 Serial Number Location |
 |
| Serial number plate on the left side of the tractor's clutch housing. |
| Electrical |
| Charging system | alternator
|
| Charging amps | 55
|
| Diesel Batteries | 2
|
| Gas Batteries | 1
|
| Diesel Battery volts | 6
|
| Gas Battery volts | 12
|
| Diesel Battery AH | 204
|
| Gas Battery AH | 60
|
| 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 in 1968, by International Harvester |
| 856 and 756 Tractors published in 1969, by International Harvester |
| Farm Equipment Reference Catalog published in 1970, by International Harvester |
| *Publication contains known errors. |
| Page information |
 |
| Copyright 2026 TractorData.com® |
| Email me: Peter@TractorData.com |
| TractorData is a family-owned small business located in Minnesota. I have been researching tractor history and providing specifications for free since 1999. |
| Peter Easterlund - owner/author |
| This machine's data modified on May 22, 2026 |
©2000-2026 - TractorData.com®. Notice: Every attempt is made to ensure the data listed
is accurate. However, differences between sources, incomplete listings,
errors, and data entry mistakes do occur.
Consult official
literature from the manufacturer before attempting any service or repair.
Engine details ...
Transmission details ...
Full dimensions and tires ...