Caterpillar R4 Tests


Caterpillar R4 tractor photo
1938 - 1944
Agricultural Crawler tractor
Series map:
R4
40.4hp*
*Estimated engine power for comparison only.
Nebraska Tractor Test 272
R4 fuel use from test 272
Nebraska Tractor Test 272
Distillate 5-speed crawler
October 13 - 24, 1936
Link: Nebraska Tractor Test 272 file
Belt power (max)36.37 hp
27.1 kW
Drawbar performance
Max power30.88 hp
23.0 kW
Gear 2 used for power test.
Max pull6120 lbs
2776 kg
Gear 1 used for pull test.
Page information
Peter Easterlund - owner of TractorData.com
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Peter Easterlund - owner/author
Email: Peter@TractorData.com
Updated on July 1, 2022
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