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Allis Chalmers UC

Allis Chalmers UC tractor
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The Allis Chalmers UC is a row-crop tractor produced from 1933 to 1941 by Allis Chalmers in West Allis, Wisconsin, USA. Originally named the All-Crop, the UC was built in two main variants: the standard U and the row-crop UC. It features two engine options: a 4.9L 4-cylinder gasoline engine and a 5.2L 4-cylinder gasoline engine, with power ratings around 34.4 hp estimated. The tractor has a 3-speed or 4-speed non-synchronized gear transmission, two-wheel drive, and an open operator station. It has a wheelbase of 87 inches, weighs approximately 5815 lbs, and can pull 3 plows. The UC was built in total numbers of 4,647 units, with an additional 1,541 UC Cane units produced.
Allis Chalmers UCAllis Chalmers tractorrow-crop tractor4.9L engine5.2L enginetractor specificationsfarm tractor
Power34 hp[B]
Founded1933 - 1941
ModelUC

Technical Specifications

Detailed specifications and technical data for Allis Chalmers UC

Power

Plows:3
Belt (tested):34.09 hp (25.4 kW)
Belt (claimed):31 hp (23.1 kW)
Drawbar (tested):21.14 hp (15.8 kW)
Drawbar (claimed):19 hp (14.2 kW)

Tires

Ag rear:42x2 steel, 12.75x24
Ag front:24x5 steel, 6.00x16

Engine

Aux. fuel:1 gal (3.8 L)
Fuel tank:24 gal (90.8 L)
Details 4.9L:Allis-Chalmers gasoline 4-cylinder vertical I-head, Displacement 300.7 ci (4.9 L), Bore/Stroke 4.375x5.00 inches (111 x 127 mm), Rated RPM 1200, The 301 Allis engine replaced was the second engine on the All-Crop / UC. It was used from 1933 until 1936; tractor serial numbers UC1369 though UC2281
Details 5.2L:Allis-Chalmers gasoline 4-cylinder liquid-cooled vertical I-head, Displacement 318 ci (5.2 L), Bore/Stroke 4.50x5.00 inches (114 x 127 mm), Rated RPM 1200, Coolant capacity 24 qts (22.7 L), The 318 Allis was the final engine, introduced in 1936 on tractor serial number UC2282
Engine options:Allis-Chalmers 4.9L 4-cyl gasoline, Allis-Chalmers 5.2L 4-cyl gasoline

Variants

U:standard
UC:row-crop

Dimensions

Width:81 inches (205 cm)
Height:69.5 inches (176 cm)
Length:145 inches (368 cm)
Weight:5815 lbs (2637 kg)
Wheelbase:87 inches (220 cm)

Mechanical

Drive:Two-wheel drive
Operator station:Open operator station.

Production

Note:The Allis-Chalmers model UC was originally named the All-Crop.
Type:Row-Crop tractor
Built in:West Allis, Wisconsin, USA
Total built:4,647 UC, 1,541 UC Cane
Years produced:1933 - 1941

Belt Pulley

RPM:1095
Speed:2870 ft/min (874.78 meters/min)
Width:7.5 inches (19 cm)
Diameter:10 inches (25 cm)

Transmission

Type 3-speed:non-synchronized gear
Type 4-speed:non-synchronized gear
Gears 3-speed:3 forward and 1 reverse
Gears 4-speed:4 forward and 1 reverse
Transmission options:3-speed non-synchronized gear, 4-speed non-synchronized gear

Serial Numbers

1930:UC1
1931:UC39
1932:UC1100
1933:UC1232
1934:UC1294
1935:UC1552
1936:UC2001
1937:UC2771
1938:UC3757
1939:UC4547
1940:UC4770
1941:UC4972
1944:5038
1945:-
1946:-
1947:5068
1948:5268
1949:5526
1950:5644
1951:5806
1952:5939
1953:6143
Location:Rear axle near PTO

Related Models

Allis Chalmers All-Crop

Model:All-Crop