Caterpillar D8 tractor

Caterpillar D8

Power

115 hp

Production

1937-1965

Engine

Diesel, 6-cylinder

Transmission

Gear

From the same series:

Introduction

Caterpillar D8 Agricultural Crawler Tractor

The Caterpillar D8 is a heavy-duty crawler tractor produced in Peoria, Illinois, USA. Spanning a production history from 1937 to 1965, with roots in the RD8 series (1935-1936), this machine was designed for large-scale agricultural and earthmoving applications requiring high tractive effort.

Engine Specifications

The tractor is powered by the Caterpillar D13000, a liquid-cooled, 6-cylinder diesel engine. It features a displacement of 20.4 liters (1246 cubic inches) with a bore and stroke of 146 mm by 203 mm. The engine produces 115 horsepower (85.8 kW) at a rated speed of 850 RPM, providing consistent torque for heavy pulling tasks.

Transmission and Drive

The D8 utilizes a gear-type transmission providing 6 forward speeds and 2 reverse speeds. As a crawler tractor, it relies on tracks rather than wheels to distribute its weight, which significantly enhances traction and flotation on soft or uneven ground. The operator station is an open design, prioritizing direct visibility of the work area.

Dimensions and Construction

The machine has a substantial operating weight of 16,565 kg (36,520 lbs). It is equipped with 20-inch tracks, which are essential for maintaining stability and minimizing ground pressure given the tractor's overall mass. This construction ensures the machine can operate effectively in demanding soil conditions.

Conclusion

The Caterpillar D8 is a high-capacity crawler tractor engineered for heavy-duty agricultural operations and infrastructure projects. Its combination of a high-displacement diesel engine and a track-based drive system makes it suited for operations requiring high drawbar pull and durability over extended service lives.

Production Information of Caterpillar, D8

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

Engine Specifications of Caterpillar, D8

  • Caterpillar D13000
  • Liquid-cooled
  • Diesel
  • 6-cylinder
Power115 hp [85.8 kW]
Displacement1246 ci [20.4 L]
Rated RPM850
Bore/Stroke5.75x8.00 inches [146 x 203 mm]

Transmission Information of Caterpillar, D8

Transmission variants 1

TypeGear
Gears6 forward and 2 reverse

Mechanical Specs of Caterpillar, D8

  • Open operator station.
DriveCrawler

Power Information of Caterpillar, D8

  • Https://www.tractordata.com/farm-tractors/002/9/7/2978-caterpillar-d8-tests.html

Where it sits

With 115 HP, the Caterpillar D8 sits just above RD8 (114 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 D8 have?

The Caterpillar D8 delivers 115 HP.

What years was the Caterpillar D8 produced?

The Caterpillar D8 was produced in 1937-1965.

What engine does the Caterpillar D8 have?

The Caterpillar D8 is powered by a Diesel, 6-cylinder engine.

What transmission does the Caterpillar D8 use?

The Caterpillar D8 uses a Gear transmission.

Compare the Caterpillar D8 with another model