Tractorpedia.com

Allis Chalmers A

Allis Chalmers A tractor
View Images
The Allis Chalmers A is a standard-tread farm tractor produced from 1936 to 1942 by Allis Chalmers in West Allis, Wisconsin, USA. It features a 4-cylinder liquid-cooled engine available in gasoline and distillate versions, with power ratings up to approximately 49 hp estimated. The tractor has a 4-speed non-synchronized transmission, two-wheel drive, manual steering, and manual contracting band brakes. It weighs 7175 lbs and is equipped with 48x12.1 steel rear tires. The Allis Chalmers A was built for general farm use and can pull up to 4 plows of 14 inches each.
Allis Chalmers AAllis Chalmers tractorfarm tractor4-cylinder engine4-speed transmissiontractor specifications
Power56 hp[B]
Founded1936 - 1942
ModelA

Technical Specifications

Detailed specifications and technical data for Allis Chalmers A

Power

Plows:4 (14 inch)
Belt (claimed):44 hp (early) (32.8 kW), 51.2 hp (late) (38.2 kW)
Drawbar (claimed):33 hp (early) (24.6 kW), 39.7 hp (late) (29.6 kW)

Tires

Rear tire:48x12.1 (steel)

Engine

Aux. fuel:1 gal (3.8 L), 1.5 gal (5.7 L) Capacity after serial number 26527
Engine options:Allis-Chalmers 7.6L 4-cyl gasoline, Allis-Chalmers 8.4L 4-cyl distillate
Details gasoline:Allis-Chalmers gasoline 4-cylinder liquid-cooled
Details distillate:Allis-Chalmers distillate 4-cylinder liquid-cooled
Bore/Stroke gasoline:4.75x6.50 inches (121 x 165 mm)
Compression gasoline:4.4:1
Displacement gasoline:460.7 ci (7.6 L)
Bore/Stroke distillate:5.00x6.50 inches (127 x 165 mm)
Displacement distillate:510.5 ci (8.4 L)

Dimensions

Width:63 inches (160 cm)
Height:66 inches (167 cm)
Length:140 inches (355 cm)
Weight:7175 lbs (3254 kg)

Mechanical

Drive:Two-wheel drive
Brakes:Manual contracting band brakes
Steering:Manual steering
Operator station:Open operator's station

Production

Type:Standard-tread tractor
Built in:West Allis, Wisconsin, USA
Total built:1,225
Years produced:1936 - 1942

Belt Pulley

RPM:1000
Speed:3160 ft/min (963.17 meters/min)
Width:8.5 inches (21 cm)
Diameter:13 inches (33 cm)

Transmission

Type:non-synchronized gear
Gears:4 forward and 1 reverse

Related Models

Allis Chalmers 25-40

Model:25-40