Farmall 1256 Transmission

Farmall 1256 tractor photo
1967 - 1969
56 Series
Standard-tread tractor
Series map:
*Estimated engine power for comparison only.

Note: the Farmall model 1256 is the same as the International Harvester 1256. The following data is from the 1256 listing.
Transmission options
8-speed gear
16-speed partial power shift
Gears8 forward and 4 reverse
Oil capacity68 qts
64.4 L
The 1256's transmission provides four gears (1-4) in high, low, and reverse ranges.
With 18.4-38 rear tires.
1256  gear speeds
TransmissionTorque Amplifier
Typepartial power shift
Gears16 forward and 8 reverse
Oil capacity68 qts
64.4 L
Four gears (1-4) in two ranges (low/high) plus reverse range. The Torque Amplifier (TA) allows a clutchless shift from direct drive (DD) to the lower TA speed in all gears and ranges.
With 18.4-38 rear tires.
1256 Torque Amplifier partial power shift speeds
Page information
Peter Easterlund - owner of
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TractorData is a family-owned small business located in Minnesota that has been providing reference information on tractors since 1999.
Peter Easterlund - owner/author
Updated on August 30, 2023
©2000-2023 -®. 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.