International Harvester 1568 Tests

International Harvester 1568 tractor photo
1974 - 1976
66 Series
Row-Crop tractor
Series map:
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.
Page information
Peter Easterlund - owner of
Copyright 2024®
TractorData is a family-owned small business located in Minnesota that has been providing reference information on tractors since 1999.
Peter Easterlund - owner/author
Updated on February 6, 2024
©2000-2024 -®. Notice: Every attempt is made to ensure the data listed is accurate. However, differences between sources, incomplete listings, errors, and data entry mistakes do occur. Consult official literature from the manufacturer before attempting any service or repair.