Caterpillar RD7 Tests


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1935 - 1940
Agricultural Crawler tractor
Series map:
RD7
75.8hp
Tractor Tests
NTTL 253: diesel 4-speed crawler
NTTL 254: diesel 4-speed crawler
NTTL 255: diesel 4-speed crawler
Nebraska Tractor Test 253
Diesel 4-speed crawler
May 5 - 15, 1936
Belt power (max)68.24 hp
50.9 kW
Drawbar performance
Max pull14746 lbs
6688 kg
Gear 1 used for pull test.
Nebraska Tractor Test 254
RD7 fuel use from test 254
Nebraska Tractor Test 254
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 power65.73 hp
49.0 kW
Gear 2 used for power test.
Max pull16098 lbs
7302 kg
Gear 1 used for pull test.
Nebraska Tractor Test 255
RD7 fuel use from test 255
Nebraska Tractor Test 255
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 power78.35 hp
58.4 kW
Gear 2 used for power test.
Max pull16782 lbs
7612 kg
Gear 1 used for pull test.
Page information
Contact: Peter Easterlund
Updated on August 23, 2022
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