Allis Chalmers A Specifications - Allis Chalmers A Specs

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1936 - 1942, Standard-tread tractor
Previous model: Allis Chalmers 25-40
Production
Manufacturer: Allis Chalmers
Factory: West Allis, Wisconsin, USA
Total built: 1,225
Capacity
Aux. fuel: 1 gal [3.8 L], 1.5 gal [5.7 L] *Capacity after serial number 26527.
Dimensions & Tires
Weight: 7,175 lbs [3254 kg]
Rear tire: 48x12.1
Allis Chalmers A Power
Drawbar (claimed): 33 hp [24.6 kW] (early), 39.7 hp [29.6 kW] (late)
Belt (claimed): 44 hp [32.8 kW] (early), 51.2 hp [38.2 kW] (late)
Plows: 4 (14 inch)
Mechanical
Chassis: 4x2 2WD
Steering: manual
Brakes: manual contracting band
Cab: Open operator's station.
Belt Pulley
Diameter: 13 inches [33 cm]
Width: 8.5 inches [21 cm]
RPM: 1000
Speed: 3160 ft/min [963.17 meters/min]
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Bore/Stroke: 4.75x6.50 inches [121 x 165 mm]
Compression: 4.4:1
Engine Detail
Allis-Chalmers, gasoline, 4-cylinder, liquid-cooled, 460.7 ci [7.6 L]
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Previous model: Allis Chalmers 25-40
Transmission
Type: non-synchronized gear
Gears: 4 forward and 1 reverse
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Previous model: Allis Chalmers 25-40
Dimensions
Weight: 7,175 lbs [3254 kg]
Length: 140 inches [355 cm]
Width: 63 inches [160 cm]
Height: 66 inches [167 cm]
Allis Chalmers A Tires
Ag rear: 48x12.1 (steel)