international harvester 3688

1981 - 1985
30 Series
Row-Crop tractor

Transmission
Type	partial power shift
Gears	16 forward and 8 reverse
Clutch	355.6mm cerametallic disc
Oil capacity	90 qts 85.2 L
Left lever selects gear, right lever selects high, low, or reverse range. Tractor may be shifted on the move without the clutch between gear pairs (1-2, 3-4, etc). Synchronized shifting, using the clutch, between gear pairs (2 to 3, 4 to 5, etc). The transmission is four-gear with the powershift provided by an electric solenoid actuated Torque Amplifier.

Speeds
With 18.4-34R1 rear tires.

Shift Pattern