International Harvester 5488 Transmission

International Harvester 5488 tractor photo
1981 - 1985
50 Series
Row-Crop tractor
Series map:
*Estimated engine power for comparison only.
TransmissionSynchro Tri-Six (STS)
Typepartial power shift
Gears18 forward and 6 reverse
Oil capacity174 qts
164.7 L
Left lever selects gear, right lever selects high, medium, low, or reverse range. Clutch-free on-the-move powershifting in gear pairs 1/2, 3/4, and 5/6. Synchronized on-the-move shifting (with the clutch) between pairs.
With 20.8-38 rear tires.
5488 Synchro Tri-Six (STS) partial power shift speeds
Shift Pattern
International Harvester 5488 transmission controls
Page information
Peter Easterlund - owner of
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Peter Easterlund - owner/author
Updated on August 30, 2023
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