international harvester 684

International Harvester 684 tractor photo
1977 - 1984 84 SeriesUtility tractor
1977 - 1984
84 Series
Utility tractor
1977 - 1984
84 Series
Utility tractor
1977 - 1984
84 Series
Utility tractor
Transmission options
8-speed syncromesh
16-speed two-speed power shift
Transmission
Type
syncromesh
Gears
8 forward and 4 reverse
Clutch
dry disc
Oil capacity
36 qts 34.1 L
Four synchronized gears in high, low, and reverse ranges.
Speeds
With 16.9-30 rear tires.
684  syncromesh speeds
Transmission
Transmission
Torque Amplifier
Type
two-speed power shift
Gears
16 forward and 8 reverse
Oil capacity
36 qts 34.1 L
The optional Torque Amplifier (TA) provides a clutchless on-the-move shift from direct drive (DD) to a lower TA speed.
Speeds
With 16.9-30 rear tires.
684 Torque Amplifier two-speed power shift speeds