Allis Chalmers A
The Allis Chalmers A is a tractor produced by Allis Chalmers. It is equipped with a 510.5 ci 8.4 L engine. Transmission: 4 forward and 1 reverse. Operating weight: 7175 lbs 3254 kg.
Fuel & Capacities
Gasoline
Transmission
4 forward and 1 reverse
Operating Weight
7175 lbs
3254 kg
Allis Chalmers A Serial Number & Year Decoder
Find the exact manufacture year of your tractor by checking your chassis serial number below.
Where to Find the Serial NumberThe serial number plate is commonly located on the front frame, tractor transmission housing (right side), or instrument panel badge.
Overview
 | 1936 - 1942
Standard-tread tractor |
|---|---|
1936 - 1942 | |
Standard-tread tractor | |
Production | |
|---|---|
Manufacturer | Allis Chalmers |
Standard-tread tractor | |
Built in West Allis, Wisconsin, USA | |
Total built | 1,225 |
Allis Chalmers A Transmission | |
|---|---|
4-speed non-synchronized gear | |
Transmission details ...  |
Allis Chalmers A Power | |
|---|---|
Drawbar (claimed) | 33 hp (early)
24.6 kW |
39.7 hp (late)
29.6 kW | |
Belt (claimed) | 44 hp (early)
32.8 kW |
51.2 hp (late)
38.2 kW | |
Plows | 4 (14 inch) |
Mechanical | |
|---|---|
Two-wheel drive | |
Manual steering | |
Manual contracting band brakes | |
Open operator's station. |
Dimensions & Tires | |
|---|---|
Weight | 7175 lbs
3254 kg |
Rear tire | 48x12.1 |
Full dimensions and tires ...  | |
Belt Pulley | |
|---|---|
Diameter | 13 inches
33 cm |
Width | 8.5 inches
21 cm |
RPM | 1000 |
Speed | 3160 ft/min
963.17 meters/min |
References | |
|---|---|
 | |
Build a Better Farm published in 1940, by Allis Chalmers |
Engine
Engine options | |
|---|---|
Allis-Chalmers 7.6L 4-cyl gasoline | |
Allis-Chalmers 8.4L 4-cyl distillate |
Engine Detail — 460.7 ci / 7.6 L Gasoline
Manufacturer | Allis-Chalmers |
Fuel Type | Gasoline |
Configuration | 4-cylinder, liquid-cooled |
Displacement | 460.7 ci
7.6 L |
Bore/Stroke | 4.75x6.50 inches
121 x 165 mm |
Compression | 4.4:1 |
Engine Detail — 510.5 ci / 8.4 L
Manufacturer | Allis-Chalmers |
Configuration | 4-cylinder, liquid-cooled |
distillate | |
Displacement | 510.5 ci
8.4 L |
Bore/Stroke | 5.00x6.50 inches
127 x 165 mm |
Transmission
Transmission — 4 forward and 1 reverse non-synchronized gear
Type | non-synchronized gear |
Gears | 4 forward and 1 reverse |
 | |
Dimensions
Allis Chalmers A Tires | |
|---|---|
Ag rear | 48x12.1 (steel) |
Dimensions | |
|---|---|
Length | 140 inches
355 cm |
Width | 63 inches
160 cm |
Height | 66 inches
167 cm |
Weight | 7175 lbs
3254 kg |
Photos
1939 Allis-Chalmers model A running a threshing machine.
1938 Allis-Chalmers model A tractor, right side.
1939 Allis-Chalmers model A tractor, front-left view.
Allis-Chalmers model A operator station and controls.
Allis Chalmers A Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Allis Chalmers A.
Converted Equivalents:
Horsepower (HP)100 hp
Kilowatts (kW)74.6 kW
Metric Horsepower (PS / CV)101.4 PS