caterpillar rd7
 | 1935 - 1940
Agricultural Crawler tractor | 1935 - 1940 | Agricultural Crawler tractor |
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1935 - 1940 | |||
Agricultural Crawler tractor | |||
1935 - 1940 | |
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Agricultural Crawler tractor |
Tractor Tests | |
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NTTL 253: diesel 4-speed crawler | |
NTTL 254: diesel 4-speed crawler | |
NTTL 255: diesel 4-speed crawler |
Nebraska Tractor Test 253 | |
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Diesel 4-speed crawler
May 5 - 15, 1936 | |
Belt power (max) | 68.24 hp
50.9 kW |
Drawbar performance | |
Max pull | 14746 lbs
6688 kg |
Gear 1 used for pull test. | |
Nebraska Tractor Test 254 | ||
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Nebraska Tractor Test 254 | |
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Diesel 4-speed crawler
May 21 - 25, 1936
Link: Nebraska Tractor Test 254 file | |
Belt power (max) | 77.47 hp
57.8 kW |
Belt fuel use (max) | 5.3 gal/hour
20.1 l/hour |
Drawbar performance | |
Max power | 65.73 hp
49.0 kW |
Gear 2 used for power test. | |
Max pull | 16098 lbs
7302 kg |
Gear 1 used for pull test. | |
Nebraska Tractor Test 255 | ||
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Nebraska Tractor Test 255 | |
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Diesel 4-speed crawler
May 21 - 25, 1936
Link: Nebraska Tractor Test 255 file | |
Belt power (max) | 95.97 hp
71.6 kW |
Belt fuel use (max) | 9.0 gal/hour
34.1 l/hour |
Drawbar performance | |
Max power | 78.35 hp
58.4 kW |
Gear 2 used for power test. | |
Max pull | 16782 lbs
7612 kg |
Gear 1 used for pull test. | |