Caterpillar Twenty-Five

The Caterpillar Twenty-Five is a tractor produced by Caterpillar. It is equipped with a 277 ci 4.5 L engine. The rated power output is 32.97 hp 24.6 kW. Transmission: 3 forward and 1 reverse. Drive type: crawler.

Engine Power
32.97 hp 24.6 kW
Drive & Traction
crawler
Fuel & Capacities
Gasoline
Transmission
3 forward and 1 reverse

Caterpillar Twenty-Five 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

Caterpillar Twenty-Five tractor photo
1931 - 1933 Agricultural Crawler tractor
1931 - 1933
Agricultural Crawler tractor
Production
Manufacturer
Caterpillar
Agricultural Crawler tractor
Built in Peoria, Illinois, USA
The Caterpillar Twenty-Five was, basically, a renamed Twenty. In 1933, the model was renamed again, to the Twenty-Eight.
Caterpillar Twenty-Five Engine
Caterpillar 4.5L 4-cyl gasoline
Engine details ...
Caterpillar Twenty-Five Transmission
3-speed gear
Transmission details ...
Caterpillar Twenty-Five Power
Drawbar (claimed)
26 hp 19.4 kW
Belt (claimed)
30 hp 22.4 kW
Drawbar (tested)
27.11 hp 20.2 kW
Belt (tested)
32.97 hp 24.6 kW
Performance test details ...
Mechanical
Drive
crawler
Open operator station.
Dimensions & Tracks
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
Rated RPM
1100

Transmission

Transmission — 3 forward and 1 reverse gear

Type
gear
Gears
3 forward and 1 reverse
Clutch
dry disc
Twenty-Five  gear speeds

Dimensions

Caterpillar Twenty-Five Tracks
Size
4
Dimensions

Tests

Nebraska Tractor Test 203
Gasoline crawler May 16 - 23, 1932 Link: Nebraska Tractor Test 203 file
Belt power (max)
32.97 hp 24.6 kW
Belt fuel use (max)
3.4 gal/hour 12.9 l/hour
Drawbar performance
Max power
27.11 hp 20.2 kW
Max pull
6011 lbs 2726 kg

Photos

Caterpillar Twenty-Five

Caterpillar Twenty-Five