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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 Tie Rod Boot - JD-736D, black rubber automotive part with a wide base and a hollow cylindrical opening.

    Tie Rod Boot JD-736D

    Allis-Chalmers
    $4.95
    JD-736D
    Tie Rod Boot JD-736DNew tie rod boot with the dimensions listed below. Review the fitment and replacement numbers carefully before ordering.FitsListed fitment includes:Allis...
  • Allis-Chalmers Tie Rod Boot FD-337D, black rubber protective cover for tie rod.

    Allis-Chalmers Tie Rod Boot FD-337D

    Allis-Chalmers
    $4.95
    FD-337D
    OverviewUniversal tie rod boot FD-337D for Allis-Chalmers and other tractor applications. This black rubber protective boot is listed with multiple brand and model fitments...
  • Allis-Chalmers Universal Tie Rod Boot AB-371D, black rubber automotive part for steering components.

    Universal Tie Rod Boot

    Allis-Chalmers
    $4.95
    AB-371D
    Part Number: AB-371DProduct OverviewUniversal tie rod boot with listed applications on multiple makes.FitsAllis ChalmersAveryCaseCockshuttFordIH / FarmallJohn Deere<
  • Allis-Chalmers Cap for Fuel, Gas, Oil, or Power Steering, close-up view of round metal cap with black plastic handle.

    Cap for Fuel, Gas, Oil, or Power Steering

    Allis-Chalmers
    $10.00
    IH-338D
    Part Number: IH-338DProduct OverviewCap can be used as an engine oil cap, auxiliary starting tank cap, power steering cap, or oil filler cap.FitsAllis Chalmers: Engine Oil Cap: GAllis Chalmers:...
  • Allis-Chalmers Slip Fit Coupler for tractors, cylindrical metal part with holes for U-joint attachment.

    Slip Fit Coupler for Tractor Steering Shaft, AB-380D

    Allis-Chalmers
    $109.75
    AB-380D
    Slip fit coupler for tractor steering shafts when a U-joint is needed. Original style part. Use this coupler where the steering shaft requires a universal joint connection.Part number:...
  • Allis-Chalmers Economy Char-lynn Steering Coupler, metal steering coupler with U-joint for tractor steering systems.

    Economy Char-Lynn Steering Coupler AB-497D

    Allis-Chalmers
    $19.75
    AB-497D
    Economy Char-Lynn Steering CouplerThis economy coupler is for tractors with a U-joint at one end of the existing steering shaft.DJS part number: IH-555DFitsAllis Chalmers - variousCase -...
  • Allis-Chalmers 6 Volt Distributor Coil - AB-011D, black cylindrical ignition coil with a mounting clamp and electrical connection terminals.

    6 Volt Distributor Coil AB-011D

    Allis-Chalmers
    $27.75
    AB-011D
    6 Volt Distributor Coil - AB-011DThis 6 volt distributor coil is listed as AB-011D and fits listed tractor applications. It includes multiple cross-reference numbers across several brands.FitsAllis...
  • Allis-Chalmers Distributor Cap Delco, black ignition distributor cap with five brass terminals.

    Allis-Chalmers Distributor Cap Delco ACR1944

    Allis-Chalmers
    $18.75
    ACR1944
    New Delco distributor cap for Allis-Chalmers and other tractors using clip-held Delco conversion distributors. Key part number: ACR1944. Replacement numbers: Allis Chalmers 225733; Delco 811735; Case...
  • Allis-Chalmers Delco Rotor Button AB-520D, a metallic electrical component with a rounded rotor button attached to a gold-colored arm, mounted on a black base.

    Delco Rotor Button

    Allis-Chalmers
    $4.00
    AB-520D
    Part Number: AB-520DProduct OverviewDelco rotor button for applications with a Delco clip held cap.FitsAllis Chalmers: B, IB, C, CA, G, RC, WC, WD, WD45, WF, D10, D12, D14, D15, D17, D19Avery: A, BF,...
  • Allis-Chalmers HOT Coil, 55000-Volts, 12V high-voltage coil for industrial or agricultural equipment, shown with mounting bolts on a beige top plate.

    Allis-Chalmers HOT Coil 55000-Volts 12V AB-348D

    Allis-Chalmers
    $59.75
    AB-348D
    Allis-Chalmers HOT Coil 55000-Volts 12V AB-348D12V high-voltage coil for applications listed below. For faster starting, reduced plug fouling, and longer plug life.Important: Must use with AB-366D...
  • Allis-Chalmers Battery Retainer J-Bolt (Pair) IH-721D, black metal battery retainer bolts with wing nut threads and hooks for securing tractor batteries.

    Battery Retainer J-Bolt Pair IH-721D

    Allis-Chalmers
    $9.75
    IH-721D
    Battery Retainer J-Bolt PairThis IH-721D battery retainer J-bolt set comes as a pair. These are universal battery J-bolts and measure 5/16-18 NC x 10.750" long.FitsAllis-Chalmers: variousAvery:...
  • Allis-Chalmers Complete Wiring Harness 6V B C CA IB, automotive electrical wiring harness for vintage Allis-Chalmers tractors.

    Allis Chalmers Complete Wiring Harness 6V B C CA IB

    Allis-Chalmers
    $199.25
    AC-335D
    Complete wiring harness for 6 volt systems only. Built for generator systems and includes original style braiding, soldered terminals, light wires, and instructions.Part Number: AC-335DFitsAllis...
  • Allis-Chalmers Spark Plugs (Set of 4) - AL295D, close-up of a single spark plug showing its white ceramic insulator and black metal threading.

    Allis-Chalmers Spark Plugs Set of 4 AL295D

    Allis-Chalmers
    $23.00
    AL295D
    OverviewSet of 4 spark plugs for the listed tractor applications. Part Number: AL295D.FitsAllis Chalmers: B, C, CA, D10, D12, D14, D15 (Early), D17 (To Sn# 75000), G, IB, RC, WC, WD, WF, Crawler:...
  • Allis-Chalmers Battery Box Lid Only, orange metal cover for battery compartment.

    Allis-Chalmers Battery Box Lid Only 210907

    Allis-Chalmers
    $39.50
    DJS063L
    Battery box lid only for Allis-Chalmers tractors. Replacement for 210907. Fits: B, C, CA, G, WD, WD45 Gas, D10, D12. Made in USA. Part Number: DJS063LNotesAdditional reference: 70210907 Lid only;...
  • Allis-Chalmers Oil Bath Air Cleaner Filter Element, black fibrous cylindrical filter for industrial machinery.

    Oil Bath Air Cleaner Filter Element for Allis-Chalmers ABC422D

    Allis-Chalmers
    $13.75
    AB-422D
    Oil bath air cleaner filter element for replacing the mesh in existing oil bath air cleaners. Approx. 3" wide x 78" long per bag. Uses 2 bags for utility tractors on all brands. Part Number:...
  • Allis-Chalmers B IB C CA RC Air Cleaner Oil Cup AC-047D, black oil cup for vintage tractor air cleaner.

    Allis-Chalmers B IB C CA RC Air Cleaner Oil Cup AC-047D

    Allis-Chalmers
    $19.50
    AC-047D
    Air cleaner oil cup for Allis-Chalmers B, IB, C, CA, and RC tractors. Fits clamp-mounted cup applications and replaces CE13732, 70225857, and 225857.Use the dimensions below to confirm fit before...
  • Allis-Chalmers G B C CA IB RC Bottom Oil Cup AC-115D, orange plastic oil cup for vintage tractor models.

    Allis Chalmers G B C CA IB RC Bottom Oil Cup AC-115D

    Allis-Chalmers
    $27.75
    AC-115D
    Allis Chalmers Bottom Oil CupBottom oil cup for Allis Chalmers G, B, C, CA, IB, RC (all with clip mounted cup). Also fits Massey Harris Pony and Pacer.This replacement cup measures 4.495" OD, 4.075"...
  • Allis-Chalmers Air Cleaner Oil Cup Clamp for Allis-Chalmers B IB C CA RC G / IH IH-181D, black metal oil cup clamp with screw mechanism for securing air cleaner oil cup.

    Air Cleaner Oil Cup Clamp for Allis-Chalmers B IB C CA RC G / IH IH-181D

    Allis-Chalmers
    $10.75
    IH-181D
    Air cleaner oil cup clamp for Allis-Chalmers B, IB, C, CA, RC, and G tractors.New replacement part with the key reference numbers preserved: AC 225817, IH 52872D, and IHS181.FitsAllis-Chalmers: B,...