Farmall 966: all source data

All 81 values recorded for this model, as the source lists them and in its units. The spec sheet shows the same data checked, typed and converted.

Overview

Production
ManufacturerFarmall (a part of International Harvester)
(no label)Row-Crop tractor
(no label)Built in Rock Island, Illinois, USA
Total built21,017
(no label)Original price was $18,000 in 1976
Engine
(no label)International Harvester 6.8L 6-cyl diesel
Transmission
(no label)8-speed gear
(no label)16-speed two-speed power shift
(no label)hydrostatic
Power
Engine113 hp | 84.3 kW
Drawbar (claimed)84 hp | 62.6 kW
PTO (claimed)95 hp | 70.8 kW
Drawbar (tested)85.21 hp | 63.5 kW
PTO (tested)100.80 hp | 75.2 kW
Mechanical
(no label)Two- or four-wheel drive
(no label)Power steering
(no label)Independent hydraulic dry disc brakes
(no label)Cab optional with heat and air-conditioning.
Capacity
Fuel37 gal | 140.0 L
Hydraulic system22.5 gal | 85.2 L
Hydraulics
Typeopen center
Capacity22.5 gal | 85.2 L
Pressure2000 psi | 137.9 bar
Valves1 to 4
Pump flow12 gpm | 45.4 lpm
Total flow21 gpm | 79.5 lpm
Steering flow9 gpm | 34.1 lpm
Steering press.1550 psi | 106.9 bar
Hitch
Rear TypeII
Rear lift (at 24"/610mm)4400 lbs | 1995 kg
TypeIH Fast Hitch
Rear lift5000 lbs (at 24 inches) | 2268 kg
Pto
Rear PTOindependent
Rear PTO Type540/1000
Dimensions
Wheelbase105 inches | 266 cm
Weight11116 to 11700 pounds
Front tire9.5L-15
Rear tire18.4-34
Electrical
Charging amps32
Batteries2
Battery volts6
Battery AH172

Engine

Engine detail
(no label)International Harvester D414
(no label)diesel
(no label)6-cylinder
(no label)liquid-cooled
Displacement414 ci | 6.8 L
Bore/Stroke4.30x4.75 inches | 109 x 121 mm
Power113 hp | 84.3 kW
Air cleanerdual dry elements
Rated RPM2400 (early)
Rated RPM2600 (late)
Firing order1-5-3-6-2-4
Oil capacity12 qts | 11.4 L
Coolant capacity (Coolant)24 qts | 22.7 L

Transmission

Transmission options
(no label)8-speed gear
(no label)16-speed two-speed power shift
(no label)hydrostatic
Transmission
Typegear
Gears8 forward and 4 reverse
Clutchdry disc
Oil capacity90 qts | 85.2 L
(no label)Four gears each provided in high, low, and reverse ranges.
TransmissionTorque Amplifier
Typetwo-speed power shift
Gears16 forward and 8 reverse
Clutchdry disc
(no label)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.
Typehydrostatic
Gearsinfinite forward and reverse
(no label)The hydrostatic transmission option ended in 1973 when the Hydro 100 began production.

Dimensions

Tires
Ag front9.5L-15
Ag rear18.4-34
Dimensions
Wheelbase105 inches | 266 cm
Length165 inches | 419 cm
Width98 inches | 248 cm
Height (exhaust)105 inches | 266 cm
Ground clearance14 inches | 35 cm
Weight
Operating11,116 lbs (gear) | 5042 kg
Operating11,700 lbs (hydro) | 5307 kg
Ballasted13,500 lbs | 6123 kg