Caterpillar Twenty
The Caterpillar Twenty is a tractor produced by Caterpillar. It is equipped with a 277 ci 4.5 L engine. The rated power output is 29.49 hp 22.0 kW. Transmission: 3 forward and 1 reverse. Drive type: crawler. Operating weight: 7700 lbs 3492 kg.
Engine Power
29.49 hp
22.0 kW
Drive & Traction
crawler
Fuel & Capacities
Gasoline
Transmission
3 forward and 1 reverse
Operating Weight
7700 lbs
3492 kg
Caterpillar Twenty Serial Number & Year Decoder
Find the exact manufacture year of your tractor by checking your chassis serial number below.
Where to Find the Serial NumberThe serial number plate is commonly located on the front frame, tractor transmission housing (right side), or instrument panel badge.
Overview
 | 1927 - 1931
Agricultural Crawler tractor |
|---|---|
1927 - 1931 | |
Agricultural Crawler tractor | |
Production | |
|---|---|
Manufacturer | Caterpillar |
Agricultural Crawler tractor | |
Factories | San Leandro, California, USA |
Peoria, Illinois, USA | |
In 1931, the Caterpillar was renamed the Twenty-Five due to increased engine output. | |
Caterpillar Twenty Engine | |
|---|---|
Caterpillar 4.5L 4-cyl gasoline | |
Engine details ...  |
Caterpillar Twenty Transmission | |
|---|---|
3-speed gear | |
Transmission details ...  |
Caterpillar Twenty Power | |
|---|---|
Drawbar (tested) | 26.32 hp
19.6 kW |
Belt (tested) | 29.49 hp
22.0 kW |
Performance test details ...  | |
Mechanical | |
|---|---|
Drive | crawler |
Open operator station. | |
Dimensions & Tracks | |
|---|---|
Weight | 7700 lbs
3492 kg |
Tracks | |
Full dimensions and tracks ...  | |
Engine
Engine Detail — 277 ci / 4.5 L Gasoline
Manufacturer | Caterpillar |
Fuel Type | Gasoline |
Configuration | 4-cylinder, liquid-cooled |
Displacement | 277 ci
4.5 L |
Bore/Stroke | 4.00x5.50 inches
102 x 140 mm |
Air cleaner | oil bath |
Rated RPM | 1100 |
Transmission
Transmission — 3 forward and 1 reverse gear
Type | gear |
Gears | 3 forward and 1 reverse |
 | |
Dimensions
Caterpillar Twenty Tracks |
|---|
Dimensions | |
|---|---|
Operating weight | 7700 lbs
3492 kg |
Tests
Nebraska Tractor Test 150 | |
|---|---|
Gasoline 3-speed crawler
May 17 - 28, 1928
Link: Nebraska Tractor Test 150 file | |
Belt power (max) | 29.49 hp
22.0 kW |
Belt fuel use (max) | 3.3 gal/hour
12.5 l/hour |
Drawbar performance | |
Max power | 26.32 hp
19.6 kW |
Gear 1 used for power test. | |
Max pull | 5721 lbs
2595 kg |
Gear 1 used for pull test. | |
Photos
Caterpillar Twenty
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