Caterpillar RD8 tractor

Caterpillar RD8

Power

114 hp[B] hp

Production

1935-1936

Engine

Diesel, 6-cylinder

Transmission

Gear

From the same series:

Introduction

Caterpillar RD8 Agricultural Crawler Tractor

The Caterpillar RD8 is a heavy-duty crawler tractor manufactured in Peoria, Illinois, USA. Produced between 1935 and 1936, this machine represents a significant phase in the development of agricultural traction equipment, later forming the basis for the D8 series produced from 1937 to 1941.

Engine and Performance

The tractor is powered by the Caterpillar D13000, a liquid-cooled, 6-cylinder diesel engine. With a displacement of 1,246 cubic inches (20.4 liters) and a bore/stroke ratio of 5.75 by 8.00 inches, the engine is designed to operate at a rated speed of 1,000 RPM. It delivers a power output of 114 horsepower, intended for demanding agricultural and earthmoving applications.

Transmission and Drivetrain

The RD8 utilizes a mechanical crawler drive system. The transmission provides 6 forward gears and 2 reverse gears, allowing for a range of operational speeds suitable for heavy pulling tasks. Power is transferred through a dry disc clutch, a standard configuration for high-torque applications of that era.

Dimensions and Chassis

This crawler tractor weighs approximately 33,500 lbs (15,195 kg). It is equipped with 20-inch tracks designed to distribute its substantial weight over a larger surface area, providing necessary traction in varied field conditions. The operator interface consists of an open operator station, ensuring direct control and visibility during operation.

Conclusion

With its significant weight, high-displacement engine, and tracked propulsion, the Caterpillar RD8 was engineered for heavy-duty agricultural operations requiring high drawbar pull and stability on challenging terrain.

Production Information of Caterpillar, RD8

  • Agricultural Crawler tractor
  • Built in Peoria, Illinois, USA
ManufacturerCaterpillar

Engine Specifications of Caterpillar, RD8

  • Caterpillar D13000
  • Liquid-cooled
  • Diesel
  • 6-cylinder
Rated RPM1000
Displacement1246 ci [20.4 L]
Bore/Stroke5.75x8.00 inches [146 x 203 mm]

Transmission Information of Caterpillar, RD8

Transmission variants 1

TypeGear
Gears6 forward and 2 reverse
ClutchDry disc

Mechanical Specs of Caterpillar, RD8

  • Open operator station.
DriveCrawler

Power Information of Caterpillar, RD8

  • Https://www.tractordata.com/farm-tractors/002/9/7/2975-caterpillar-rd8-tests.html

Where it sits

With 114 hp[B] HP, the Caterpillar RD8 sits just below D8 (115 HP) in Caterpillar's range. Its power puts it in the 98th percentile of 1930s models in our database (235 machines).

Frequently asked questions

How much horsepower does the Caterpillar RD8 have?

The Caterpillar RD8 delivers 114 hp[B] HP.

What years was the Caterpillar RD8 produced?

The Caterpillar RD8 was produced in 1935-1936.

What engine does the Caterpillar RD8 have?

The Caterpillar RD8 is powered by a Diesel, 6-cylinder engine.

What transmission does the Caterpillar RD8 use?

The Caterpillar RD8 uses a Gear transmission.

Compare the Caterpillar RD8 with another model