Best Sixty Tests

Best Sixty tractor photo
1919 - 1925
Agricultural Crawler tractor
Series map:
Tractor Tests
NTTL 76: gasoline 2-speed crawler
NTTL 98: gasoline 3-speed crawler
NTTL 105: gasoline 3-speed crawler
Nebraska Tractor Test 76
Gasoline 2-speed crawler
May 6 - 24, 1921
Link: Nebraska Tractor Test 76 file
Belt power (max)56 hp
41.8 kW
Drawbar performance
Max power50 hp
37.3 kW
Max pull11,000 lbs
4989 kg
Nebraska Tractor Test 98
Gasoline 3-speed crawler
September 10 - 14, 1923
Link: Nebraska Tractor Test 98 file
Belt power (max)66 hp
49.2 kW
Drawbar performance
Max power56 hp
41.8 kW
Max pull11295 lbs
5123 kg
Nebraska Tractor Test 105
Gasoline 3-speed crawler
September 15 - 29, 1924
Link: Nebraska Tractor Test 105 file
Belt power (max)73 hp
54.4 kW
Drawbar performance
Max pull12360 lbs
5606 kg
Page information
Contact: Peter Easterlund
Updated on August 23, 2022
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