International Harvester TD-9 Series 91 Tests


International Harvester TD-9 Series 91 tractor photo
1939 - 1962
Model year
Agricultural Crawler tractor
Nebraska Tractor Test 586
TD-9 Series 91 fuel use from test 586
Nebraska Tractor Test 586
Diesel 5-speed crawler
August 16 - 21, 1956
Link: Nebraska Tractor Test 586 file
Belt power (max)62.69 hp
46.7 kW
Belt fuel use (max)4.3 gal/hour
16.3 l/hour
Drawbar performance
Max power52.79 hp
39.4 kW
Gear 2 used for power test.
Max pull11720 lbs
5316 kg
Gear 1 used for pull test.
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Updated on September 30, 2022
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