Gasoline Torque Amplifier 2WD 4/20/1972 Link: Nebraska Tractor Test 1094 file PTO performance Drawbar performance Gear 1-Hi-TA used for power test Gear 2-Lo-Direct used for pull test
Power at rated engine speed
79.73hp / 59.5kW
Fuel use
7.3gal/hour / 27.6l/hour
Power at rated PTO speed
73.96hp / 55.2kW
Max power
71.32hp / 53.2kW
Max pull
8,841lbs / 4010kg
NEBRASKA TRACTOR TEST 1117 2
Description
Diesel Torque Amplifier 2WD November 10 - December 5, 1972 Link: Nebraska Tractor Test 1117 file PTO performance Drawbar performance Gear 1-Hi-TA used for power test Gear 2-Lo-Direct used for pull test
Power at rated engine speed
85.45hp / 63.7kW
Fuel use
6.1gal/hour / 23.1l/hour
Power at rated PTO speed
85.66hp / 63.9kW
Max power
73.37hp / 54.7kW
Max pull
9,236lbs / 4189kg
FARMALL 766 POWER
Drawbar (tested)
73.37hp / 54.7kW
PTO (tested)
85.45hp / 63.7kW
ENGINES OVERVIEW
Description
International Harvester 4.8L 6-cyl gasoline International Harvester 5.9L 6-cyl diesel
ENGINE DETAIL 1
Description
International Harvester C291 gasoline 6-cylinder liquid-cooled
Displacement
291ci / 4.8L
Bore/Stroke
3.75x4.39inches / 95x 112mm
Air cleaner
dual stage dry
Rated RPM
2400
Starter volts
12
ENGINE DETAIL 2
Description
International Harvester D360 diesel 6-cylinder liquid-cooled
Displacement
360ci / 5.9L
Bore/Stroke
3.875x5.0625inches / 98x 129mm
Compression
17:1
Rated RPM
2400
Starter volts
12
FARMALL 766 ENGINES
Description
International Harvester 4.8L 6-cyl gasoline International Harvester 5.9L 6-cyl diesel
Fuel tank
37gal / 140.0L
TRANSMISSIONS OVERVIEW
Description
8-speed sliding gear 16-speed partial power shift
TRANSMISSION 1
Type
sliding gear
Gears
8 forward and 4 reverse
Clutch
dry disc
Description
Four gears (1-4) in low and high ranges
TRANSMISSION 2
Transmission
Torque Amplifier
Type
partial power shift
Gears
16 forward and 8 reverse
Clutch
dry disc
Description
Four gears (1-4) in two ranges (low/high) with the Torque Amplifer (TA) power shift The TA allows a shift-on-the-move between direct drive and a lower speed
MECHANICAL
Chassis
4x2 2WD
Steering
hydrostatic power
Brakes
hydraulic dry disc
Cab
Open operator station Cab optional
Transmissions
8-speed sliding gear 16-speed partial power shift
HYDRAULICS
Type
open center
Pump flow
12gpm / 45.4lpm
TRACTOR HITCH
Rear Type
2
POWER TAKE-OFF (PTO)
Rear PTO
independent
Rear RPM
540, 1000
FARMALL 766 TIRES
Ag front
9.5L-15
Ag rear
18.4-34
DIMENSIONS
Wheelbase
102.7inches / 260cm
Operating weight
10,300lbs / 4672kg
Ballasted weight
11,880lbs / 5388kg
Front tread
60 to 84inches / 152to 213cm
Rear tread
56 to 100inches / 142to 254cm
DIMENSIONS & TIRES
Wheelbase
102.7inches / 260cm
Weight
10,300lbs / 4672kg
Front tire
9.5L-15
Rear tire
18.4-34
766 SERIAL NUMBERS
Location
Left side of clutch housing
1971
7101
1972
7416
1973
9611
1974
12378
1975
14630
1976
16840
About Farmall Tractor
The 766 tractor is part of the Farmall's 66 Series. The 766 is classified as a Row-Crop Tractors and that is often used for Agriculture Tractors activities. The 766 tractor features a engine. This configuration gives better real-world usability.