farmall 966

Farmall 966 tractor photo
1971 - 1976 66 SeriesRow-Crop tractor
1971 - 1976
66 Series
Row-Crop tractor
1971 - 1976
66 Series
Row-Crop tractor
1971 - 1976
66 Series
Row-Crop tractor

Series map: 766966Hydro 10088.6hp*91.0hp115.7hp**Estimated engine power for comparison only.

Note: the Farmall model 966 is the same as the International Harvester 966. The following data is from the 966 listing.
Transmission options
8-speed gear
16-speed two-speed power shift
hydrostatic
Transmission
Type
gear
Gears
8 forward and 4 reverse
Clutch
dry disc
Oil capacity
90 qts 85.2 L
Four gears each provided in high, low, and reverse ranges.
Speeds
With 18.4-34 rear tires.
966  gear speeds
Transmission
Transmission
Torque Amplifier
Type
two-speed power shift
Gears
16 forward and 8 reverse
Clutch
dry disc
The Torque Amplifier (TA) provides a shift-on-the-move underdrive to the standard transmission. In any gear and range, the transmission can be shifted from direct drive (DD) to the slower TA speed by simply pulling the TA lever back. No clutching or stopping is needed.
Speeds
With 18.4-34 rear tires.
966 Torque Amplifier two-speed power shift speeds
Transmission
Type
hydrostatic
Gears
infinite forward and reverse
The hydrostatic transmission option ended in 1973 when the Hydro 100 began production.
Speeds
966  hydrostatic speeds