international harvester 660

International Harvester 660 tractor photo
1959 - 1963 Standard-tread tractor
1959 - 1963
Standard-tread tractor
1959 - 1963
Standard-tread tractor
1959 - 1963
Standard-tread tractor
Tractor Tests
NTTL 715: diesel TA 2WD
NTTL 721: gasoline TA 2WD
NTTL 722: LP gas TA 2WD
Nebraska Tractor Test 715
660 fuel use from test 715
660 fuel use from test 715
660 fuel use from test 715
660 fuel use from test 715
Nebraska Tractor Test 715
Diesel TA 2WD August 31 - September 5, 1959 Link: Nebraska Tractor Test 715 file
PTO performance
Power at rated engine speed
78.78 hp 58.7 kW
Fuel use
5.5 gal/hour 20.8 l/hour
Drawbar performance
Max power
64.43 hp 48.0 kW
Fuel use
5.2 gal/hour 19.7 l/hour
Max pull
11,046 lbs 5010 kg
Gear 2-TA used for pull test.
Nebraska Tractor Test 721
Gasoline TA 2WD October 1 - 12, 1959 Link: Nebraska Tractor Test 721 file
PTO performance
Power at rated engine speed
81.39 hp 60.7 kW
Fuel use
6.4 gal/hour 24.2 l/hour
Drawbar performance
Max power
70.21 hp 52.4 kW
Fuel use
6.3 gal/hour 23.8 l/hour
Nebraska Tractor Test 722
LP gas TA 2WD October 3 - 12, 1959 Link: Nebraska Tractor Test 722 file
PTO performance
Power at rated engine speed
80.63 hp 60.1 kW
Fuel use
8.9 gal/hour 33.7 l/hour
Drawbar performance
Max power
69.66 hp 51.9 kW
Fuel use
8.8 gal/hour 33.3 l/hour

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