Caterpillar Seventy

The Caterpillar Seventy is a tractor produced by Caterpillar. It is equipped with a 1310 ci 21.5 L engine. Transmission: 6 forward and 2 reverse. Drive type: crawler. Operating weight: 32000 lbs 14515 kg.

Overview

	1933 - 1937 Agricultural Crawler tractor

Production
Manufacturer	Caterpillar
Agricultural Crawler tractor
Built in Peoria, Illinois, USA
Total built	266

Caterpillar Seventy Engine
Caterpillar 21.5L 4-cyl gasoline
Engine details ...

Caterpillar Seventy Transmission
6-speed gear
Transmission details ...

Caterpillar Seventy Power
Belt (claimed)	70 hp 52.2 kW
Drawbar (tested)	72.73 hp 54.2 kW
Belt (tested)	82.4 hp 61.4 kW
Performance test details ...

Mechanical
Drive	crawler
Open operator station.

Dimensions & Tracks
Weight	32000 lbs 14515 kg
18-inch tracks
Full dimensions and tracks ...

Engine

Engine Detail — 1310 ci / 21.5 L Gasoline

Manufacturer	Caterpillar
Fuel Type	Gasoline
Configuration	4-cylinder, liquid-cooled
Displacement	1310 ci 21.5 L
Bore/Stroke	7.00x8.50 inches 178 x 216 mm
Rated RPM	700

Transmission

Transmission — 6 forward and 2 reverse gear

Type	gear
Gears	6 forward and 2 reverse

Dimensions

Caterpillar Seventy Tracks
Width	18 inches 45 cm

Dimensions
Weight	32000 lbs 14515 kg

Tests

Nebraska Tractor Test 213
Gasoline 6-speed crawler May 15 - June 6, 1933 Link: Nebraska Tractor Test 213 file
Belt power (max)	82.4 hp 61.4 kW
Drawbar performance
Max power	72.73 hp 54.2 kW
Gear 1 used for power test.
Max pull	16796 lbs 7618 kg
Gear 1 used for pull test.

Photos

Caterpillar Seventy

Caterpillar Seventy

Caterpillar 70 operator station and controls.