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Years in Production / 1927–1931

Caterpillar

Twenty

Explore the specifications, hardware, and original references for the Caterpillar Twenty.

Generic tractor; no model photo available
No photo

32hp

Engine estimate · from belt

Tracks

Drive

1927–1931

Production years

Caterpillar

Manufacturer

Twenty / 01

At a glance

Production

Agricultural Crawler tractor

In 1931, the Caterpillar was renamed the Twenty-Five due to increased engine output.

Manufacturer
Caterpillar
Factories
San Leandro, California, USA
Factories
Peoria, Illinois, USA

Mechanical

Open operator station.

Drive
crawler

Twenty / 02

Under the hood

Engine Detail

Caterpillar

gasoline

4-cylinder

liquid-cooled

Displacement
277 ci4.5 L
Bore Stroke
4.00x5.50 inches102 x 140 mm
Air Cleaner
oil bath
Rated Rpm
1100
Fuel Type
gasoline
Cylinders
4
Cooling
liquid-cooled

Twenty / 03

Gears & controls

Transmission

Transmission Type
gear
Gears
3 forward and 1 reverse

Twenty / 04

Size. Stance. Footprint.

Tires And Tracks

Tracks

Weight
7700 lbs3492 kg

Twenty / 05

Tests (NTTL)

Nebraska Tractor Test 150

Gasoline 3-speed crawlerMay 17 - 28, 1928

Drawbar performance

Gear 1 used for power test.

Gear 1 used for pull test.

Id
150
Belt Power Max
29.49 hp22.0 kW
Belt Fuel Use Max
3.3 gal/hour12.5 l/hour
Max Power
26.32 hp19.6 kW
Max Pull
5721 lbs2595 kg