John Deere 8640 Transmission

John Deere 8640 tractor photo
1979 - 1982
Iron Horses Series
Four-wheel Drive (4WD) tractor
Transmission:John Deere Quad-Range
Type:partial power shift
Gears:16 forward and 6 reverse
Clutch:hydraulic wet disc
Oil capacity:164 qts
155.2 L
Four gears (1-4) in four ranges (A-D). Tractor must be stopped to select range. Power shift between gears 1-2 and 3-4 within range.
With 18.4-38 tires.
8640 Quad-Range partial power shift speeds
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Last update:November 12, 2016
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