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International Harvester A-866

International Harvester A-866 tractor
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The International Harvester A-866 is a row-crop tractor produced from 1973 to 1978 as part of the 66A Series. Built in Geelong, Australia, it features a 5.9L 6-cylinder diesel engine delivering 121 hp (90.2 kW). It has a 16-speed two-speed power shift transmission with 16 forward and 4 reverse gears. The tractor is two-wheel drive with bull gear final drives, power steering, and hydraulic disc brakes. It offers an open operator station with an optional cab. The PTO is independent with 540/1000 RPM options. Dimensions include a 104.7 inch wheelbase, 159.8 inch length, and 10803 lbs weight. Tires range from 11.00-16 front to various rear sizes including 23.1-34 and 18.4-38. The A-866 is related to models A-766, A-886, and A-976.
International HarvesterA-866tractorspecifications66A Seriesrow-cropdiesel enginepower shift transmissionfarm tractor
Power121 hp
Founded1973 - 1978
ModelA-866

Technical Specifications

Detailed specifications and technical data for International Harvester A-866

Power

Engine:121 hp (90.2 kW)
PTO (claimed):90 hp (67.1 kW)
Drawbar (claimed):87 hp (64.9 kW)

Tires

Ag rear:23.1-34, 23.1-30, 18.4-34, 18.4-38
Ag front:11.00-16

Engine

Type:diesel
Model:International Harvester D-358
Power:121 hp (90.2 kW)
Torque:265 lb-ft (359.3 Nm)
Cooling:liquid-cooled inline
Starter:electric
Cylinders:6-cylinder
Fuel tank:42 gal (159.0 L)
Rated RPM:2500
Torque RPM:1600
Bore/Stroke:3.875x5.0625 inches (98 x 129 mm)
Compression:16:1
Fuel system:direct injection
Displacement:358 ci (5.9 L)
Starter volts:12

Dimensions

Width:90.9 inches (230 cm)
Length:159.8 inches (405 cm)
Weight:10803 lbs (4900 kg)
Wheelbase:104.7 inches (265 cm)
Rear tread:68.1 to 105.9 inches (172 to 268 cm)
Front tread:59.8 to 83.9 inches (151 to 213 cm)
Height (steering wheel):87 inches (220 cm)

Hydraulics

Type:open center

Mechanical

Drive:Two-wheel drive
Brakes:Hydraulic disc brakes
Final drives:bull gear
Power steering:Yes
Operator station:Open operator station. Cab optional.

Production

Type:Row-Crop tractor
Series:66A Series
Built in:Geelong, Australia
Years produced:1973 - 1978

Transmission

Type:two-speed power shift
Gears:16 forward and 4 reverse
Transmission:Torque Amplifier

Tractor hitch

Rear Type:II

Serial Numbers

1973:501
1974:601
1975:761
1976:1045
1977:1567
1978:1998
Final:2142

Power Take-off (PTO)

Rear PTO:independent
Engine RPM:540@2300, 1000@2300
Rear PTO Type:540/1000 (1.375)

Related Models

International Harvester A-886

Model:A-886

International Harvester A-766

Model:A-766

International Harvester A-866

Model:A-866

International Harvester A-976

Model:A-976