International Harvester A-866
The International Harvester A-866 is a tractor produced by International Harvester. It is equipped with a 358 ci 5.9 L engine. The rated power output is 121 hp 90.2 kW. Transmission: Torque Amplifier. Operating weight: 10803 lbs 4900 kg.
Engine Power
121 hp
90.2 kW
Fuel & Capacities
42 gal
159.0 L
Transmission
Torque Amplifier
Operating Weight
10803 lbs
4900 kg
International Harvester A-866 Serial Number & Year Decoder
Find the exact manufacture year of your tractor by checking your chassis serial number below.
Where to Find the Serial NumberThe serial number plate is commonly located on the front frame, tractor transmission housing (right side), or instrument panel badge.
Overview
![]() | 1973 - 1978
66A SeriesRow-Crop tractor |
|---|---|
1973 - 1978 | |
66A Series | |
Row-Crop tractor | |
Production | |
|---|---|
Manufacturer | International Harvester |
Row-Crop tractor | |
Built in Geelong, Australia | |
International Harvester A-866 Engine | |
|---|---|
International Harvester 5.9L 6-cyl diesel | |
Fuel tank | 42 gal
159.0 L |
Engine details ... | |
International Harvester A-866 Transmission | |
|---|---|
16-speed two-speed power shift | |
Transmission details ... |
International Harvester A-866 Power | |
|---|---|
Engine | 121 hp
90.2 kW |
Drawbar (claimed) | 87 hp
64.9 kW |
PTO (claimed) | 90 hp
67.1 kW |
Mechanical | |
|---|---|
Two-wheel drive | |
Final drives | bull gear |
Power steering | |
Hydraulic disc brakes | |
Open operator station. Cab optional. | |
Hydraulics | |
|---|---|
Type | open center |
Tractor hitch | |
|---|---|
Rear Type | II |
Power Take-off (PTO) | |
|---|---|
Rear PTO | independent |
Rear PTO Type | 540/1000 (1.375) |
Engine RPM | 540@2300 |
1000@2300 | |
Dimensions & Tires | |
|---|---|
Wheelbase | 104.7 inches
265 cm |
Weight | 10803 lbs
4900 kg |
Front tire | 11.00-16 |
Rear tire | 23.1-34 |
Full dimensions and tires ... | |
References | |
|---|---|
![]() | |
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 | |
*Publication contains known errors. |
Engine
Engine Detail — 358 ci / 5.9 L Diesel
Manufacturer | International Harvester D-358 |
Fuel Type | Diesel |
Configuration | 6-cylinder, liquid-cooled inline |
Displacement | 358 ci
5.9 L |
Bore/Stroke | 3.875x5.0625 inches
98 x 129 mm |
Power | 121 hp
90.2 kW |
Fuel system | direct injection |
Compression | 16:1 |
Rated RPM | 2500 |
Torque | 265 lb-ft
359.3 Nm |
Torque RPM | 1600 |
Starter | electric |
Starter volts | 12 |
Transmission
Transmission — Torque Amplifier
Transmission | Torque Amplifier |
Type | two-speed power shift |
Gears | 16 forward and 4 reverse |
Dimensions
International Harvester A-866 Tires | |
|---|---|
Ag front | 11.00-16 |
Ag rear | 23.1-34 |
Ag rear | 23.1-30 |
18.4-34 | |
18.4-38 | |
Dimensions | |
|---|---|
Wheelbase | 104.7 inches
265 cm |
Length | 159.8 inches
405 cm |
Width | 90.9 inches
230 cm |
Height (steering wheel) | 87 inches
220 cm |
Weight | 10803 lbs
4900 kg |
Front tread | 59.8 to 83.9 inches
151 to 213 cm |
Rear tread | 68.1 to 105.9 inches
172 to 268 cm |
Photos
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