International Harvester A-766 Specs ( 1972-1978 )

Compare Tractor

Production

Description Row-Crop tractor / Built in Geelong, Australia
Manufacturer International Harvester

Engine

Engine type International Harvester 5.1L 6-cyl diesel
Fuel tank 37 gal (140.0 L)
Air cleaner dual stage dry
Bore/Stroke 3.875x4.375 inches (98 x 111 mm)
Compression 16:1
Description International Harvester D-310 / diesel / 6-cylinder / liquid-cooled inline
Displacement 310 ci (5.1 L)
Power 98 hp (73.1 kW)
Rated RPM 2300
Starter electric
Starter volts 12
Torque 248 lb-ft (336.3 Nm)
Torque RPM 1600
PTO (claimed) 80 hp (59.7 kW)

Transmission

Clutch dry disc / dry disc
Description Four gears (1-4) in low and high ranges. / Four gears (1-4) in two ranges (low/high) with the Torque Amplifier (TA) power shift. The TA allows a shift-on-the-move between direct drive and a lower speed.
Gears 8 forward and 4 reverse / 16 forward and 8 reverse
Transmission Torque Amplifier
Type sliding gear / two-speed power shift
Transmission type 8-speed sliding gear / 16-speed two-speed power shift
Transmission type 8-speed sliding gear / 16-speed two-speed power shift

Mechanical

Cab Open operator station. Cab optional.
Description Power steering / Hydraulic dry disc brakes
Drive type Two-wheel drive
Final drives spur gear

Hydraulics

Pump flow 12 gpm (45.4 lpm)
Type open center

Hitch

Rear Type II

PTO

Rear PTO independent
Rear PTO Type 540/1000

Dimensions & Tires

Ballasted weight 11880 lbs (5388 kg)
Front tread 60 to 84 inches (152 to 213 cm)
Height (steering wheel) 84.7 inches (215 cm)
Length 155.8 inches (395 cm)
Operating weight 10300 lbs (4672 kg)
Rear tread 56 to 100 inches (142 to 254 cm)
Wheelbase 104.8 inches (266 cm)
Width 91 inches (231 cm)
Front tire 9.5L-15
Rear tire 18.4-34
Weight 10300 lbs (4672 kg)
Wheelbase 104.8 inches (266 cm)
Ag front 9.5L-15
Ag rear 18.4-34

A-766 Serial Numbers

1972 501
1973 1140
1974 1811
1975 2553
1976 3270
1977 3999
1978 4604
Description FAQ: How to read a serial number table.
Final 4771
Location: Left side of clutch housing

References

Description International Harvester Australia: Geelong Works by Sarah Tomac* / International Harvester Tractors & Equipment in Australia & New Zealand by Graeme Quick / Technical Annual published in 1977, by Power Farming / 696 & 766 Tractors published in 1972, by International Harvester / *Publication contains known errors.