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Allis Chalmers UC Tractor Parts

About the Allis-Chalmers UC

The Allis-Chalmers UC was the row-crop version of the Model U, designed for cultivating between rows. It was a narrow, steel-wheel-era tractor with a four-cylinder gasoline engine, three- or four-speed transmission, and the layout needed for row-crop work.

Engine Changes by Serial Number

UC1–UC1268 used Continental engines. UC1269–UC2281 used Allis-Chalmers 300 cu. in. engines. UC2281 and later used Allis-Chalmers 318 cu. in. engines.

Serial Number Reference

Serial number locations: The tractor serial number is stamped on the rear axle near the PTO.

The table below shows the beginning tractor serial number for each Model UC year:

 

1930-1933
Model UC year Beginning serial number
1930 UC1
1931 UC39
1932 UC1100
1933 UC1232
1934-1937
Model UC year Beginning serial number
1934 UC1294
1935 UC1552
1936 UC2001
1937 UC2771
1938-1941
Model UC year Beginning serial number
1938 UC3757
1939 UC4547
1940 UC4770
1941 UC4972

Total production: 4,647 Model UC tractors and 1,541 UC Cane tractors.

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  • Allis-Chalmers Spark Plug Wiring Set with 90 Degree Boots - FD-149D, black spark plug wires with 90 degree boots, includes four wire connectors and six brass terminals.

    Spark Plug Wiring Set w/90 Degree Boots - FD-149D

    Allis-Chalmers
    $18.00
    FD-149D
    Spark plug wiring set with 90 degree boots. Cut-to-length wires with copper core construction, aluminum coating for corrosion resistance, and waterproof neoprene boots. This set is listed for many...
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  • Allis-Chalmers Spark Plug Wiring Set with Straight Boots, automotive ignition wires with black silicone insulation, and six black rubber spark plug boots, plus six brass terminal connectors, designed for reliable engine performance.

    Spark Plug Wiring Set with Straight Boots

    Allis-Chalmers
    $19.75
    AC-228D
    Part Number: AC-228DSpark Plug Wiring Set with Straight BootsSpark Plug Wiring Set w/ Straight Boots for applications using straight boots. See the fitment list below for the models supplied.FitsAC...
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  • Allis-Chalmers UC Spark Plug Set of 4, close-up image of a single spark plug with black and white components.

    Allis-Chalmers UC Spark Plug Set of 4, AB-183D

    Allis-Chalmers
    $25.00
    AB-183D
    Set of 4 spark plugs for Allis-Chalmers UC with a .025" plug gap.Also listed for selected Cockshutt and Oliver applications. Replacement numbers are shown below for quick cross reference...
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  • Allis-Chalmers Oil Pressure Gauge 0-80 PSI, round metal pressure gauge showing normal oil pressure level.

    Allis-Chalmers Oil Pressure Gauge 0-80 PSI AC-262D

    Allis-Chalmers
    $31.75
    AC-262D
    Allis-Chalmers Oil Pressure Gauge 0-80 PSIPart Number: AC-262DThis 0-80 PSI oil pressure gauge is listed for the models below. It has 1/8" male pipe threads.FitsAllis Chalmers: A, D15 (DSL), D17...
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