Crawler Tractor - Caterpillar Twenty

Production date
1933
 Country
USA
 State/Province
Illinois
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Object detail

Description
This is a 1933 Caterpillar Twenty crawler tractor with a four cylinder petrol engine. It is painted grey with black logo lettering, black trim and black lever handles. The seat is black. There is an overhead valve. "CATERPILLAR" is cast horizontally across the front of the engine at the front of the crawler tractor. "TWENTY" is cast vertically on both sides of the engine at the front of the crawler tractor. There is no crank handle attached to the front of the engine. The tread is painted grey.
Classification
RURAL INDUSTRY Farm Machinery tractor
CONSTRUCTION Crawler tractor
Maker
Production date
1933
Production place
Illinois, USA
Measurements
L3039 x W1599 x H1839mm
Weight 3492kg
Bore 101.6mm
Stroke 139.7mm
RPM 1100
Drawbar 20 HP
Belt 25 HP
Media/Materials description
Steel
Vinyl
Paint
Glass
Plastic
Signature/Marks
(wavy) CATERPILLAR \ REG US PAT OFF
TWENTY
CATERPILLAR
CAT
CATERPILLAR TRACTOR CO. \ SAN LEANDRO PEORIA \ ALIF. ILL.
Caterpillar \ REG U.S. PAT. OFF.
TRACTOR NUMBER \ 8C474
History and use
This tractor is a small model Twenty 8C series. Only 652 were manufactured between 1931 and early 1934. While there was an earlier model Twenty produced from 1927-1931, the 8C series is a distinct design which was actually an upgraded version of the model Fifteen PV series to fix identified flaws. These included new sheet metal covers, new seating and a higher powered engine. The 1927-1931 model Twenty was the first tractor fully designed by the newly formed Caterpillar Tractor company. While it is not known how many still exist, with only 652 manufactured this tractor could be considered rare.
Associated person
Registration number
R6648

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