Allis Chalmers U Specifications - Allis Chalmers U Specs

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Tractors fitted with factory steel wheels had a 3-speed gearbox, done by removing a shifter fork from the regular transmission. The U was also sold as the United Model U (1929-1931), and was distributed by the United Tractor and Equipment Corporation. United was a group of Fordson dealers who contracted Allis for a new tractor, once Ford stopped North American production of the Fordson.
Production
Manufacturer: Allis Chalmers
Factory: West Allis, Wisconsin, USA
Total built: 19,009
Variants
U: standard
UC: row-crop
Capacity
Fuel: 24 gal [90.8 L]
Dimensions & Tires
Weight: 4,600 lbs [2086 kg]
Front tire: 28x6
Rear tire: 42x11
U Serial Numbers
Location: Rear of differential, near PTO
Allis Chalmers U Power
Drawbar (claimed): 20 hp [14.9 kW]
Belt (claimed): 31 hp [23.1 kW]
Plows: 3 (14-inch)
Drawbar (tested): 30.37 hp [22.6 kW]
Belt (tested): 35.04 hp [26.1 kW]
Mechanical
Chassis: 4x2 2WD
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Bore/Stroke: 4.25x5.00 inches [108 x 127 mm]
Rated RPM: 1200
Coolant capacity: 20 qts [18.9 L]
Engine Detail
Continental, gasoline, 4-cylinder, liquid-cooled, 283.7 ci [4.6 L]
Transmission
Gears: 3 forward and 1 reverse
Dimensions
Weight: 4,600 lbs [2086 kg]
Length: 118.5 inches [300 cm]
Width: 63.1 inches [160 cm]
Height: 53.5 inches [135 cm]
Allis Chalmers U Tires
Ag front: 6.00x16
Ag rear: 12.75x24