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International Harvester 1586 Tests



International Harvester 1586 tractor photo
1976 - 1981
86 Series
Row-Crop tractor
Series map:
1486
1586
162.2hp*
177.8hp*
*Estimated engine power for comparison only.
Nebraska Tractor Test 1248
1586 fuel use from test 1248
Nebraska Tractor Test 1248
Diesel 12-speed 2WD
June 3 - 22, 1977
Link: Nebraska Tractor Test 1248 file
PTO performance
Power at rated engine speed161.55 hp
120.5 kW
Fuel use10.6 gal/hour
40.1 l/hour
Power at rated PTO speed156.09 hp
116.4 kW
Fuel use9.5 gal/hour
36.0 l/hour
Drawbar performance
Max power134.94 hp
100.6 kW
Fuel use10.4 gal/hour
39.4 l/hour
Max pull16,665 lbs
7559 kg
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Peter Easterlund - owner/author
Email: Peter@TractorData.com
Updated on April 15, 2025
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