Allis Chalmers K tractor

Allis Chalmers K

Power

54 hp[B] hp

Production

1929-1943

Engine

Gasoline, 4-cylinder

Transmission

Gear

Introduction

Allis Chalmers K Agricultural Crawler Tractor

The Allis Chalmers K is a classic agricultural crawler tractor produced in Springfield, Illinois, USA, between 1929 and 1943. Designed for heavy-duty field operations, this tracked machine was manufactured in a total volume of 9,468 units.

Engine and Performance

The tractor is powered by a 54 hp Allis Chalmers 4-cylinder gasoline engine. It utilizes a liquid-cooled vertical I-head design with a displacement of 510.5 cubic inches (8.4 liters). The engine operates at a rated speed of 1050 RPM, with a compression ratio of 5.2:1. An oil bath air cleaner is integrated to ensure engine longevity in dusty working conditions, and the cooling system has a capacity of 44 quarts (41.6 liters).

Transmission and Drivetrain

The Allis Chalmers K features a crawler drive system. Early production models were equipped with a 3-speed transmission (3 forward, 1 reverse). Starting in 1935, beginning with serial number 4451, a 4-speed transmission (4 forward, 1 reverse) was introduced. The 4-speed variant requires an oil capacity of 22 quarts (20.8 liters) for proper maintenance.

Dimensions and Undercarriage

The tractor weighs 11,500 lbs (5,216 kg), which provides significant ground pressure stability. It is equipped with 15-inch wide tracks, designed to distribute the machine's weight and provide traction on soft or uneven agricultural terrain. The operator station is of the open type, consistent with the design standards of its era.

Conclusion

The Allis Chalmers K is a representative example of mid-20th-century agricultural crawler technology. Its combination of a high-displacement engine and a track-based drivetrain makes it suited for heavy traction tasks where stability and surface grip are essential requirements.

Production Information of Allis Chalmers, K

  • Agricultural Crawler tractor
  • Built in Springfield, Illinois, USA
ManufacturerAllis Chalmers
Total built9,468

Engine Specifications of Allis Chalmers, K

  • Allis Chalmers
  • Liquid-cooled vertical I-head
  • Gasoline
  • 4-cylinder
Air cleanerOil bath
Displacement510.5 ci [8.4 L]
Compression5.2:1
Bore/Stroke5.00x6.50 inches [127 x 165 mm]
Coolant capacity44 qts [41.6 L]
Rated RPM1050

Transmission Information of Allis Chalmers, K

Transmission variants 1

  • The three-speed transmission was used on early models.
TypeGear
Gears3 forward and 1 reverse

Transmission variants 2

  • The four-speed transmission was introduced in 1935 at tractor serial number 4451.
TypeGear
Gears4 forward and 1 reverse
Oil capacity22 qts [20.8 L]
  • 3-speed gear
  • 4-speed gear

Mechanical Specs of Allis Chalmers, K

  • Open operator station.
DriveCrawler

Power Information of Allis Chalmers, K

  • Https://www.tractordata.com/farm-tractors/003/0/7/3071-allis-chalmers-k-tests.html

Where it sits

With 54 hp[B] HP, the Allis Chalmers K sits between FD5 (50 HP) and 5050 (55 HP) in Allis Chalmers's range. Its power puts it in the 86th percentile of 1920s models in our database (181 machines).

Frequently asked questions

How much horsepower does the Allis Chalmers K have?

The Allis Chalmers K delivers 54 hp[B] HP.

What years was the Allis Chalmers K produced?

The Allis Chalmers K was produced in 1929-1943.

What engine does the Allis Chalmers K have?

The Allis Chalmers K is powered by a Gasoline, 4-cylinder engine.

What transmission does the Allis Chalmers K use?

The Allis Chalmers K uses a Gear transmission.

Compare the Allis Chalmers K with another model