International Harvester 1568 Tests


International Harvester 1568 tractor photo
1974 - 1976
66 Series
Row-Crop tractor
Series map:
1566
1568
183.0hp
172.0hp
Nebraska Tractor Test 1175
1568 fuel use from test 1175
Nebraska Tractor Test 1175
Diesel 12-speed 2WD
May 3 - 15, 1975
Link: Nebraska Tractor Test 1175 file
PTO performance
Power at rated engine speed150.70 hp
112.4 kW
Fuel use10.1 gal/hour
38.2 l/hour
Power at rated PTO speed147.79 hp
110.2 kW
Fuel use9.9 gal/hour
37.5 l/hour
Drawbar performance
Max power130.17 hp
97.1 kW
Fuel use13.0 gal/hour
49.2 l/hour
Gear 1-Hi-TA used for power test.
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Peter Easterlund - owner/author
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Updated on February 6, 2024
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