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Allis Chalmers CA Tractor Parts

About the Allis-Chalmers CA

The Model CA followed the Model C in 1950 and gave small farms a little more speed and flexibility. It kept the compact row-crop layout and four-cylinder engine, but added a four-speed transmission and a live PTO operated by a hand clutch. That hand clutch lets the PTO keep turning while the tractor is stopped, which is useful with a mower or other PTO-driven equipment.

Built at West Allis from 1950 through 1958, the CA remained a practical tractor for cultivation, mowing, and general farm work. The model is a useful step between the older C and the newer D Series.

Serial Number Reference

Serial number locations: The tractor serial number is stamped on top of the transmission case, next to the shift lever. The engine serial number is on the rear left-hand side of the engine.

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

 

1950-1952
Model CA year Beginning serial number
1950 14
1951 322
1952 10,539
1953-1955
Model CA year Beginning serial number
1953 22,181
1954 31,424
1955 32,907
1956-1958
Model CA year Beginning serial number
1956 37,203
1957 38,618
1958 38,977

Total production: 39,499 Model CA tractors.

The final CA serial number was 39,513.

Allis-Chalmers CA Paint Reference

For restoration planning, the Allis-Chalmers CA is listed in the Allis-Chalmers tractor paint guide with the original paint references below.

Allis-Chalmers CA paint reference by production period
Production period Metal Wheels Disc Chassis Trim
1929 through 1960 Persian Orange 1 Persian Orange 1 Persian Orange 1, Aluminum Persian Orange 1 Persian Orange 1

Paint placement can vary by production year, series, and equipment configuration.

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  • A semi-circular metal Woodruff key, designed for Allis-Chalmers CA, D10, D12 farm tractors, used for securing rotating parts to a shaft.

    Woodruff Key, Allis Chalmers CA, D10, D12

    DJS Tractor Parts
    $2.00
    70911233
    3/16" × 7/8" Woodruff Key Part Number: 70911233 Fits Allis Chalmers: CA, D10, D12 International / Farmall: Super A, Sup
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  • Radiator Shutter Crank for Allis Chalmers B, C, CA, IB, used display part with orange painted metal shaft and handle.

    Radiator Shutter Crank for Allis Chalmers B, C, CA, IB (Display)

    Allis-Chalmers
    $29.25
    684
    Radiator shutter crank handle for listed Allis Chalmers tractors and AC power units. Part Number: KI1099 Fits Allis Chalmers: B, C, CA, IB; serviceable for WC, WF, WD, WD45 AC Power Unit: W201,...
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  • 3-1/2 inch Monroe Seat Pivot Support Rod, used automotive part displayed on a flat surface.

    3-1/2" Monroe Seat Pivot Support Rod(Display)

    Allis-Chalmers
    $16.50
    679
    3-1/2" Monroe Seat Pivot Support Rod for select Allis Chalmers, International, John Deere, and Massey Harris tractors. Exact copy of original and includes 2 flat washers, 2 rubber bushings, and 2 #5...
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  • Delco Distributor Terminal Insulator Assembly Square Style - AB-500D, used part displayed with a black insulator and metal terminal components on a brown surface.

    Delco Distributor Terminal Insulator Assembly Square Style - AB-500D (Display)

    Allis-Chalmers
    $12.00
    674
    Delco Distributor Terminal Insulator Assembly, Square Style Important: AB-500D is a square-style Delco distributor terminal insulator assembly. It is for Delco distributors only and will not fit IH...
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  • Allis-Chalmers Snap Coupler Bell Hook Spring 70226514, used part displayed on a brown surface with a label below indicating it's for display.

    Allis-Chalmers Snap Coupler Bell Hook Spring 70226514 (Display)

    Allis-Chalmers
    $15.00
    667
    Allis-Chalmers snap coupler bell hook spring for the listed tractors with quick hitch system. Use the fitment information below to confirm application. Part Number: 70226514 Fits Allis-Chalmers...
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  • Bullet Tail Light Trim Ring, black metal circular display part for vehicle tail light assembly.

    Bullet Tail Light Trim Ring (Display)

    Allis-Chalmers
    $9.50
    666
    Bullet Tail Light Trim Ring for select tractor tail lights. Verify fitment against your existing tail light before ordering. Part Number: OL-071D Fits Allis Chalmers: B, C, CA, G, WD,...
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  • Rim Stop Bolt for Allis Chalmers, Case, Ford, JD, Massey Ferguson, display showing a metallic bolt with a hexagonal head, screw threads, and a tapered end.

    Rim Stop Bolt for Allis Chalmers, Case, Ford, JD, Massey Ferguson (Display)

    Allis-Chalmers
    $7.00
    662
    Rim stop bolt for listed tractor models from Allis Chalmers, Case, Cockshutt, Ford, IH/Farmall, JD, Massey Ferguson, Massey Harris, MM, Oliver, White, and Landini. Use with parallel or 90 degree...
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  • Allis Chalmers B, C, CA Brake Pivot Pin / Toggle Pin 70207221, display image of a metal cylindrical pin with a hole in the center on a brown background.

    Allis Chalmers B, C, CA Brake Pivot Pin / Toggle Pin 70207221 (Display)

    Allis-Chalmers
    $7.75
    657
    Brake pivot pin / toggle pin for Allis Chalmers B, C, and CA tractors. Replaces part numbers 207221 and 70207221. This pin is 1.625 in. long and 0.750 in. in diameter. Zinc plated finish. Part...
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  • Allis-Chalmers B C CA Brake Adjusting Screw 70213375, used part displayed on a brown surface with a label showing the part number and description.

    Allis-Chalmers B C CA Brake Adjusting Screw 70213375 (Display)

    Allis-Chalmers
    $18.25
    656
    Allis-Chalmers Brake Adjusting Screw 70213375 Brake adjusting screw for Allis-Chalmers B, C, and CA tractors. Zinc plated, 7/16"-20 NF x 3" long. Fits Allis-Chalmers B Allis-Chalmers...
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  • Allis Chalmers Gear Shift Lever Pins, Pair Oversized (Display), two metal pins with different sizes and shapes on a brown background with a white label showing the number 653 and 'Used Parts / Display' text.

    Allis Chalmers Gear Shift Lever Pins, Pair Oversized (Display)

    Allis-Chalmers
    $11.75
    653
    Allis Chalmers gear shift lever pins, pair, oversized. AC-253D is used to tighten up a worn shift lever and must be ground to fit the existing worn lever. Part Number: AC-253D Fits Allis Chalmers...
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  • 6 Volt Voltage Regulator for Allis-Chalmers, black rectangular display unit with electrical terminals on the side, used parts display

    6 Volt Voltage Regulator for Allis-Chalmers (Display)

    Allis-Chalmers
    $34.25
    634
    6 volt external voltage regulator for selected tractors and generators. For positive ground systems with an A-type circuit and 7 to 9 amp output. Part Number: AB-153D Fits Allis Chalmers - B, C, CA,...
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  • Universal Ammeter Gauge (20-0-20), display of black meter with white markings and needle indicating current in amperes.

    Universal Ammeter Gauge (20-0-20) (Display)

    Allis-Chalmers
    $15.75
    623
    Universal ammeter gauge with a 20-0-20 range and chrome bezel. Compatible with Allis-Chalmers, Case, Cockshutt, Ford, IH/Farmall, John Deere, Massey Ferguson, Massey Harris, MM, and Oliver...
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  • Universal Ammeter Gauge (20-0-20), analog display of current in amperes with a needle and a black faceplate with measurement markings.

    Universal Ammeter Gauge (20-0-20) (Display)

    Allis-Chalmers
    $15.75
    630
    Universal ammeter gauge with a 20-0-20 range and chrome bezel. Compatible with Allis-Chalmers, Case, Cockshutt, Ford, IH/Farmall, John Deere, Massey Ferguson, Massey Harris, MM, and Oliver...
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  • Ammeter 60-0-60 AMP Gauge 2-inch Diameter (Display), round analog current meter for measuring electrical current with black face and red needle.

    Ammeter 60-0-60 AMP Gauge 2" Dia (Display)

    Allis-Chalmers
    $18.50
    627
    Universal 60-0-60 AMP ammeter gauge with a 2" dia. hole fitment. Condition: New. Part Number: AMG60 Fits Allis Chalmers - 160, 170, 175, 180, 185, 190, 190XT, 200, 210, 220, 2RCP, 4650, 4660,...
    Out of stock
  • Allis-Chalmers Key Switch Ignition Switch 70225310 with attached keys and wiring, used agricultural machinery part.

    Allis-Chalmers Key Switch Ignition Switch 70225310 (Display)

    Allis-Chalmers
    $10.75
    581
    Key switch ignition switch for Allis-Chalmers, Case, Cockshutt, Ford, International, John Deere, Massey Ferguson, Minneapolis Moline, and Oliver. Includes 2 keys and is for AG and light industrial...
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  • Allis-Chalmers 12 Volt Chrome Bullet Style Tail Light Assembly, display showing a vintage chrome bullet-shaped tail light with wiring and mounting hardware on a brown background.

    Allis-Chalmers 12 Volt Chrome Bullet Style Tail Light Assembly (Display)

    Allis-Chalmers
    $23.25
    571
    12 volt chrome bullet style tail light assembly for select Allis-Chalmers and John Deere models. It is a 1 wire 12 volt chrome bullet style tail light assembly with a plastic lens. Part Number:...
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  • Headlight Reflector for Allis-Chalmers and Other Models, shiny chrome round reflector with mounting hole, displayed on a brown background.

    Headlight Reflector for Allis-Chalmers and Other Models (Display)

    Allis-Chalmers
    $11.75
    569
    Part Number: AB-320D Fits Allis Chalmers - B, C, CA, D10, D12, D14, D15 (up to sn 9001), RC, WC, WD, WD45, WF Case - VA, VAC, VAH (all up to sn 5400000) Cockshutt - 20, 30, 40, 50, 540, 550, 560,...
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  • Headlight Lens w/ Guide Name 4-3/4" (Display), transparent round car headlight lens with a textured surface for vehicle lighting.

    Headlight Lens w/ Guide Name 4-3/4" (Display)

    Allis-Chalmers
    $12.50
    568
    Part Number: IH-352D Headlight Lens w/ Guide Name This 4-3/4" headlight lens has a "GUIDE" marking near the bottom of the lens and a dimpled outer surface. It is interchangeable with the original...
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