Skip to content
An independent tractor reference
TractorStack.

Find your tractor.

Menu ☰

Years in Production / 1919–1926

Allis-Chalmers

6-12

Explore the specifications, hardware, and original references for the Allis-Chalmers 6-12.

Allis-Chalmers 6-12 · Illustration

Allis-Chalmers 6-12 · Illustration

13hp

Engine estimate · from belt

2WD Only

Drive

1919–1926

Production years

Allis-Chalmers

Manufacturer

6-12 / 01

At a glance

Production

Built in West Allis, Wisconsin, USA

Original price was $795 in 1919

Manufacturer
Allis Chalmers
Total Built
1,470

Mechanical

Two-wheel drive

Manual steering

Open operator station.

6-12 / 02

Under the hood

Engine Detail

Le Roi 2-C

gasoline

4-cylinder

liquid-cooled

Displacement
138.1 ci2.3 L
Bore Stroke
3.125x4.50 inches79 x 114 mm
Rated Rpm
1200
Coolant Capacity
14 qts13.2 L
Fuel Type
gasoline
Cylinders
4
Cooling
liquid-cooled

Engine Options

Le Roi 2.3L 4-cyl gasoline

Fuel Tank
8.5 gal32.2 L

6-12 / 03

Gears & controls

Transmission

Transmission Type
gear
Gears
1 forward and reverse

6-12 / 04

Size. Stance. Footprint.

Dimensions

Length
156 in396 cm
Width
54 in137 cm
Height
72 in182 cm

Dimensions And Tires

Weight
2500 lbs1134 kg
Front Tire
48x6
Rear Tire
28x6

Tires And Tracks

Front Ag
48x6 steel
Rear Ag
28x6 steel

6-12 / 05

Tractor Photos

See it in action

Videos

Watch Allis-Chalmers 6-12 videos from their original YouTube creators.

Rare Allis-Chalmers 6-12 Tractor Walkaround & Operating Footage - A Good Idea that Never Took Off

Video by Squatch253

Watch on YouTube ↗

6-12 / 07

Tests (NTTL)

Nebraska Tractor Test 54

Gasoline 1-speed 2WDAugust 17 - 26, 1920

Drawbar performance

Gear 1 used for power test.

Gear 1 used for pull test.

Id
54
Belt Power Max
12.37 hp9.2 kW
Belt Fuel Use Max
1.8 gal/hour6.8 l/hour
Max Power
6.29 hp4.7 kW
Fuel Use
1.6 gal/hour6.1 l/hour
Max Pull
1142 lbs518 kg

Allis-Chalmers 6-12 · photo 1 / 1

Illustration of Allis-Chalmers 6-12 on a farm

Model illustration www.tractordata.com source ↗