International Harvester 1256 Transmission


International Harvester 1256 tractor photo
1967 - 1969
Standard-tread tractor
1206
Series:8561256
1456
Transmissions overview
8-speed gear
16-speed partial power shift
Transmission
Type:gear
Gears:8 forward and 4 reverse
Oil capacity:68 qts
64.4 L
The 1256's transmission provides four gears (1-4) in high, low, and reverse ranges.
Speeds
With 18.4-38 rear tires.
1256  gear speeds
Transmission
Transmission:Torque Amplifier
Type:partial power shift
Gears:16 forward and 8 reverse
Oil capacity:68 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.
Speeds
With 18.4-38 rear tires.
1256 Torque Amplifier partial power shift speeds
Page information
Last update:June 2, 2022
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