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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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  • 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...
  • 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...
  • Allis-Chalmers 3-Position Light Switch AC-139D 70208197 208197, electronic switch with a black labeled button for lights.

    Allis-Chalmers 3-Position Light Switch AC-139D 70208197 208197

    Allis-Chalmers
    $39.75
    AC-139D
    Allis-Chalmers 3-Position Light SwitchPart Number: AC-139DUse this 3-position light switch for the listed tractor models and replacement numbers below. Switch manufacturers consider OFF as 1 position...
  • Allis-Chalmers Lights Knob, only for Allis Chalmers tractors, black plastic knob with 'LIGHTS' text in white.

    Lights Knob Only for Allis Chalmers

    Allis-Chalmers
    $5.75
    AB-425D
    Part Number: AB-425DLights Knob OnlyKnob Only ("Lights") for listed applications. Thread size is 10-32.FitsAllis Chalmers: B, C, CA, G, WC, WD, WD45Case: VAC, VAH, VAI, VAO (all up to sn...
  • Allis-Chalmers Plain Face Black Knob AB-367D, black control knob with threaded base for machinery control

    Plain Face Black Knob AB-367D

    Allis-Chalmers
    $5.75
    AB-367D
    Plain Face Black KnobThis plain face black knob only is listed for the fitments and notes shown below. It uses a 10-32 thread and is noted to fit the DJS AC-139D three position switch.FitsAllis...
  • Allis-Chalmers Fairbanks Morse Magneto End Cap for FM Series, black metal component with four brown insulator sections for electrical connections.

    Fairbanks Morse Magneto End Cap for FM Series

    Allis-Chalmers
    $89.75
    FM142
    Part Number: FM142Fairbanks Morse Magneto End CapEnd Cap - FAIRBANKS MORSE MAGNETO (FM Series) - FM142 for listed Allis Chalmers and Minneapolis Moline applications.FitsAllis Chalmers - various...
  • Allis-Chalmers FM Series Coil FM170, industrial coil with orange plastic casing, black wiring, and metal connectors for electrical connections.

    Allis-Chalmers FM Series Coil FM170

    Allis-Chalmers
    $79.75
    FM170
    Allis-Chalmers FM Series Coil FM170Part Number: FM170This coil is for FM Series magneto applications listed below. Use the part number and magneto model to confirm fitment before ordering.FitsAllis...
  • Allis-Chalmers FM Series Rotor FM147, agricultural machinery part with black housing and brass contact plates used in farming equipment.

    Allis-Chalmers FM Series Rotor FM147

    Allis-Chalmers
    $17.75
    FM147
    Allis-Chalmers FM Series Rotor FM147Part Number: FM147Rotor for the FM Series magneto applications listed below. Check the model list carefully to confirm compatibility.FitsAllis Chalmers - Various...
  • Allis-Chalmers Ignition Tune Up Kit (Delco Distributor), ignition components including spark plugs and related parts for engine maintenance.

    Allis-Chalmers Ignition Tune Up Kit for Delco Distributor AC-110D

    Allis-Chalmers
    $32.75
    AC-110D
    Ignition tune up kit for Allis-Chalmers tractors with Delco distributor. Includes spark plugs, heavy duty points, condenser, rotor, and gap gauge.4-cylinder gas engines.FitsAllis-Chalmers...
  • Allis-Chalmers Ignition Tune-Up Kit W/ Rotor (Delco Distributor), automotive ignition components including rotor, condenser, and mounting hardware.

    Ignition Tune-Up Kit W/ Rotor for Delco Distributor ACR1932

    Allis-Chalmers
    $13.75
    ACR1932
    Ignition Tune-Up Kit W/ Rotor for Delco DistributorThe Ignition Tune-Up Kit W/ Rotor (For Delco) - ACR1932 includes a point set, a vibration-resistant condenser, and a rotor button.It is made for...
  • Allis-Chalmers Point Set - R2437, FM-J, FM-J4, FM-J4A, FM-J4B, FM-JE, JM-JG, FM-T, FMJ4-B3

    Fairbanks Morse Point Set for FM-J, FM-J4, FM-JE

    Allis-Chalmers
    $19.50
    FM154
    Part Number: FM154Point Set for Fairbanks Morse MagnetosPoint Set - FM154 for Fairbanks Morse magnetos. Replaces Fairbanks Morse part R2437 and is listed for clockwise rotation applications.FitsAllis...
  • Allis-Chalmers Magneto/Distributor Mounting Gasket for Allis-Chalmers AB-556D, engine part gasket with a beige color and a circular opening.

    Magneto/Distributor Mounting Gasket for Allis-Chalmers AB-556D

    Allis-Chalmers
    $3.50
    AB-556D
    Magneto / Distributor Mounting GasketThis mounting gasket is for magneto or distributor applications on the listed models below. Part number: AB-556D.FitsAllis-Chalmers: Magneto or distributor: B,...
  • Allis-Chalmers Fairbanks Morse FMJ FMX Magneto Condenser

    Fairbanks Morse FMJ FMX Magneto Condenser

    Allis-Chalmers
    $11.75
    FM110
    Part Number: FM110Fairbanks Morse FMJ FMX Magneto CondenserFM110 is a condenser for Fairbanks Morse FMJ and FMX magnetos. It is listed as new and replaces OEM part AXMR2433.FitsFairbanks Morse...
  • Allis-Chalmers Delco Distributor Terminal Insulator Assembly Square Style, black plastic insulator with metal terminal connectors on each end.

    Delco Distributor Terminal Insulator Assembly Square Style - AB-500D

    Allis-Chalmers
    $15.00
    AB-500D
    Delco Distributor Terminal Insulator Assembly, Square StyleImportant: AB-500D is a square-style Delco distributor terminal insulator assembly. It is for Delco distributors only and will not fit IH...
  • Allis-Chalmers Delco Distributor Cap Spring Clip With Longer Bracket, automotive ignition distributor part with metal clip, bracket, and screw for engine ignition system repair.

    Delco Distributor Cap Spring Clip With Longer Bracket

    Allis-Chalmers
    $15.00
    AB-488LD
    Part Number: AB-488LDProduct OverviewDistributor cap spring clip with a 1" long bracket, one screw, and two washers. Longer bracket than the bracket in ABC488S.FitsAllis Chalmers: B, IB, C, CA, G,...
  • Allis-Chalmers Delco Distributor Cap Spring Clip With Shorter Bracket, metal spring clip, bracket and screw for engine distributor

    Delco Distributor Cap Spring Clip AB-488SD

    Allis-Chalmers
    $12.00
    AB-488SD
    Distributor Cap Spring Clip AB-488SDAB-488SD is a Delco distributor cap spring clip with the shorter bracket. It includes 1 spring clip, 1 bracket, 1 screw, and 2 washers.The bracket measures .700"...
  • Allis Chalmers Tie Rod Boot, a black rubber component designed for Allis Chalmers B, IB, C, CA, D10, D12 tractor models, showcasing a conical shape with a circular opening at the top.

    Allis-Chalmers Tie Rod Boot AB-368D

    Allis-Chalmers
    $4.95
    AB-368D
    Allis-Chalmers Tie Rod Boot AB-368DThis tie rod boot is listed for Allis-Chalmers B, IB, C, CA, D10, and D12 tractors. It is a black rubber boot with the dimensions shown below.FitsAllis Chalmers: B,...
  • Allis-Chalmers Tie Rod Dust Boot, black rubber dust cover for allis chalmers G 70800442 tractor parts.

    Allis-Chalmers Tie Rod Dust Boot FD-336D 70800442

    Allis-Chalmers
    $4.95
    FD-336D
    Allis-Chalmers Tie Rod Dust Boot FD-336D 70800442This tie rod dust boot is listed as serviceable for Allis-Chalmers G and includes universal applications shown below. Dimensions and cross references...