Allis Chalmers A: all source data

All 46 values recorded for this model, as the source lists them and in its units. The spec sheet shows the same data checked, typed and converted.

Overview

Production
Manufacturer	Allis Chalmers
(no label)	Standard-tread tractor
(no label)	Built in West Allis, Wisconsin, USA
Total built	1,225

Engine
(no label)	Allis-Chalmers 7.6L 4-cyl gasoline
(no label)	Allis-Chalmers 8.4L 4-cyl distillate
Aux. fuel	1 gal \| 3.8 L
Aux. fuel	1.5 gal \| 5.7 L

Transmission
(no label)	4-speed non-synchronized gear

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

Mechanical
(no label)	Two-wheel drive
(no label)	Manual steering
(no label)	Manual contracting band brakes
(no label)	Open operator's station.

Dimensions
Weight	7175 lbs \| 3254 kg
Rear tire	48x12.1

Belt pulley
Diameter	13 inches \| 33 cm
Width	8.5 inches \| 21 cm
RPM	1000
Speed	3160 ft/min \| 963.17 meters/min

Engine

Engine options
(no label)	Allis-Chalmers 7.6L 4-cyl gasoline
(no label)	Allis-Chalmers 8.4L 4-cyl distillate

Engine detail
(no label)	Allis-Chalmers
(no label)	gasoline
(no label)	4-cylinder
(no label)	liquid-cooled
Displacement	460.7 ci \| 7.6 L
Bore/Stroke	4.75x6.50 inches \| 121 x 165 mm
Compression	4.4:1
(no label)	Allis-Chalmers
(no label)	distillate
(no label)	4-cylinder
(no label)	liquid-cooled
Displacement	510.5 ci \| 8.4 L
Bore/Stroke	5.00x6.50 inches \| 127 x 165 mm

Transmission

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

Dimensions

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