Farmall 1566 Tests

Farmall 1566 tractor photo
1974 - 1976
66 Series
Row-Crop tractor
Series map:
*Estimated engine power for comparison only.

Note: the Farmall model 1566 is the same as the International Harvester 1566. The following data is from the 1566 listing.
Nebraska Tractor Test 1174
1566 fuel use from test 1174
Nebraska Tractor Test 1174
Diesel Torque Amplifier 2WD
May 3 - 15, 1975
Link: Nebraska Tractor Test 1174 file
PTO performance
Power at rated engine speed161.01 hp
120.1 kW
Fuel use11.1 gal/hour
42.0 l/hour
Power at rated PTO speed162.31 hp
121.0 kW
Fuel use10.0 gal/hour
37.9 l/hour
Drawbar performance
Max power137.00 hp
102.2 kW
Fuel use10.9 gal/hour
41.3 l/hour
Max pull15774 lbs
7155 kg
Page information
Contact: Peter Easterlund
Updated on October 26, 2022
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