UTB/Universal 643 Transmission


UTB/Universal 643 tractor photo
1988 - 2004
3 Series
Utility tractor
Series map:
533
643
703
53.0hp
64.0hp
70.0hp
Transmission options
8-speed constant mesh
12-speed creeper
8-speed shuttle
Transmission
Typeconstant mesh
Gears8 forward and 2 reverse
Clutchdry disc
Oil capacity24.3 qts
23.0 L
Four gears (1-4) plus reverse (R) in two ranges (low and high).
Speeds
With 16.9-30 rear tires.
643  constant mesh speeds
Transmission
Typecreeper
Gears12 forward and 3 reverse
Clutchdry disc
Optional creeper adds a third range to the basic transmission.
Speeds
With 16.9-30 rear tires.
643  creeper speeds
Transmission
Typeshuttle
Gears8 forward and reverse
Page information
Peter Easterlund - owner of TractorData.com
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Peter Easterlund - owner/author
Email: Peter@TractorData.com
Updated on November 8, 2023
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