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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 roll of tan 2-inch-wide fuel tank webbing for Allis-Chalmers farm tractors, with a loose end extending to the right.

    Fuel Tank Webbing - Tan 2" - Price Per Foot

    Allis-Chalmers
    $5.65
    3531T53
    Fuel tank webbing for tractors using webbed insulation between the fuel tank mounts and sheet metal parts. Sold by the foot.Part Number: 3531T53FitsAllis-Chalmers - various modelsCase - various...
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  • Roll of white 1½-inch fuel tank webbing for Allis-Chalmers farm tractors, sold per foot.

    Fuel Tank Webbing - White 1-1/2" - Price Per Foot

    Allis-Chalmers
    $1.95
    88445k46
    Fuel tank webbing for tractors using webbed insulation between the fuel tank mounts and sheet metal parts. Sold by the foot.Part Number: 88445k46FitsAllis-Chalmers - various modelsCase - various...
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  • Gray nylon washer for an AGCO oil pan drain plug, part 70226012, for Allis-Chalmers farm tractors.

    OEM Nylon Washer Oil Pan Drain Plug 70226012

    AGCO
    $4.75
    70226012
    OEM nylon washer oil pan drain plug for listed Allis Chalmers, Case, Cockshutt, Ford, International, and John Deere applications.Part Number: 70226012FitsAC Miscellaneous - Power Unit: 60H (Power...
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  • Allis-Chalmers tractor valve train kit arranged in four groups on a white background, each with two metal valves, two coil springs, and two cylindrical valve guides.

    Allis Chalmers Valve Train Kit B C IB RC CA

    Allis-Chalmers
    $124.75
    AC-2129D
    Valve train kit for select Allis Chalmers models. Includes the listed replacement parts and usage notes.Part Number: AC-2129DFitsB, C, IB, RC (with engine serial numbers CE161057 and above)CAD10 (up...
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  • Roll of black 1½-inch-wide fuel tank webbing for Allis-Chalmers farm tractors, with a short strip unwound, shown on a white background.

    Allis-Chalmers Fuel Tank Webbing - Black 1-1/2"

    Allis-Chalmers
    $2.40
    3510T83
    Black fuel tank webbing sold per foot. Fits tractors using webbed insulation between fuel tank mounts and sheet metal parts.Part Number: 3510T83FitsAllis Chalmers: variousCase: variousCockshutt:...
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  • A used gray metal step for an Allis-Chalmers CA farm tractor, with a long angled support arm, a two-hole mounting plate, and a broad footplate with raised traction slots.

    Allis Chalmers CA Step

    Allis-Chalmers
    $99.50
    AC-1977D
    Allis Chalmers CA Step for CA tractors. Used to mount to the left side of the torque tube for easier access.Part Number: AC-1977DFitsAllis Chalmers CASpecsOverall length: 16-1/2"Pad width: 5"Finish:...
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  • Allis-Chalmers B/C tractor PTO oil seal, part 70206538, shown as a circular dark seal with a green outer edge and a large center opening.

    Allis Chalmers B C PTO Oil Seal 70206538

    Allis-Chalmers
    $16.75
    70206538
    Oil seal for select Allis Chalmers applications, including PTO and transmission uses. Review the fitment notes carefully for shaft and serial details.Part Number: 70206538FitsAllis Chalmers - B, C,...
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  • Round Allis-Chalmers farm tractor voltage meter with a black dial marked 8–16 volts, white needle near 8, red warning zones, and a chrome bezel.

    Voltage Meter 8 to 16 Volt

    Allis-Chalmers
    $32.75
    VOLT12LT
    Voltage meter with 8 to 16 volt range and illuminated dial.Part Number: VOLT12LTFitsAllis Chalmers - variousCase - variousCockshutt - variousFord - variousInternational - variousJohn Deere -...
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  • Coiled main wiring harness for Allis-Chalmers B, C, and CA farm tractors, with black braided sleeves, colored wires, ring terminals, and connectors on a white background.

    Allis-Chalmers B C CA Main Wiring Harness

    Allis-Chalmers
    $93.00
    ACR4765
    Part Number: ACR4765Main Wiring HarnessMain wiring harness for the listed Allis-Chalmers tractors.FitsAllis-Chalmers BAllis-Chalmers CAllis-Chalmers CAReplaces / Cross Reference70210949210949
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  • Black, glossy, spherical Allis-Chalmers hydraulic lever brake release knob, shown alone against a white background.

    Allis-Chalmers Hydraulic Lever Brake Release Knob

    Allis-Chalmers
    $5.75
    K21
    Hydraulic lever brake release knob for Allis-Chalmers equipment. Fits various models.Part Number: K21FitsAllis-Chalmers - fits various modelsSpecs3/8" - 24" thread1-3/8" diameter
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  • Black, round Allis-Chalmers hydraulic lever brake release knob for a farm tractor, shown against a white background.

    Allis-Chalmers Hydraulic Lever Brake Release Knob

    Allis-Chalmers
    $5.75
    K52
    Part Number: K52Allis-Chalmers Hydraulic Lever Brake Release KnobHydraulic lever and brake release knob with a 1-1/4" diameter and 3/8"-24 thread.FitsVarious models.SpecsDiameter: 1-1/4"Thread:...
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  • Four Allis-Chalmers farm tractor spark plugs with white ceramic insulators and black metal bodies, arranged diagonally on a white background.

    Spark Plugs

    Allis-Chalmers
    $24.00
    AL303D
    Spark plugs for the listed applications.Part Number: AL303DFitsAllis Chalmers - B, C, CA, D10, D12, D14, D15 (Early), D17 (To Sn# 75000), G, IB, RC, WC, WD, WFAllis Chalmers Crawler - H3Avery - BF,...
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  • Allis-Chalmers PTO oil seal, part 70241779, with a dark rubber inner lip and metal outer casing, shown against a white background.

    Allis Chalmers PTO Oil Seal 1-3/8" 70241779

    Allis-Chalmers
    $11.95
    70241779
    Allis Chalmers PTO oil seal with 1-3/8" size for listed tractor and lift shaft applications.Part Number: 70241779FitsIBBCCAD10D12D14D15D17D19170175180185190190XT190XT III200
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  • Allis-Chalmers Water Temperature Gauge, industrial water temperature meter with 130-280 degree range, with metal mounting and coiled sensor cable.

    Allis-Chalmers Water Temperature Gauge 130-280 Degree Range

    Allis-Chalmers
    $26.75
    UTG25
    Part Number: UTG25OverviewWater temperature gauge with a 130-280 degree range. Dash mount design with block fitting and chrome bezel included.Specs130-280 degree rangeDash mountIncludes block...
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  • Silver Allis-Chalmers snap coupler rivet with a twisted shank and broad rounded head, shown on a white background.

    Allis Chalmers Snap Coupler Rivet

    Allis-Chalmers
    $0.65
    DJS313
    Rivet for Allis-Chalmers Snap Couplers. Used to attach springs and sold individually.Part Number: DJS313FitsAllis-Chalmers Snap Coupler applicationsNotesSold individually.Used to attach springs.Item...
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  • Close-up of a round Allis-Chalmers tractor ammeter with a silver bezel and white face, labeled AMPERES and marked from 60 discharge through 0 to 60 charge. The needle points to zero.

    Allis Chalmers Amp Gauge (60-0-60) 12 Volt

    Allis-Chalmers
    $29.75
    AC-1833D
    12 volt Allis Chalmers amp gauge with a 60-0-60 scale and the Allis Chalmers logo.Part Number: AC-1833DFitsAllis Chalmers - Various (Any tractors that have been converted to 12 volt system)Specs12...
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  • A roll of black, 1-inch-wide Allis-Chalmers fuel tank webbing with a short strip unrolled, sold by the foot.

    Fuel Tank Webbing - Black 1" - Price Per Foot

    Allis-Chalmers
    $2.35
    3510T82
    Black fuel tank webbing for tractors using webbed insulation between fuel tank mounts and other sheet metal parts.Part Number: 3510T82FitsAllis-ChalmersCaseWhite /OliverCockshutFordInternational /...
    Add to Cart
  • A roll of tan 1½-inch fuel tank webbing with a short length unrolled.

    Fuel Tank Webbing - Tan 1-1/2" - Price Per Foot

    Allis-Chalmers
    $4.35
    3531T52
    Tan fuel tank webbing for tractors using webbed insulation between fuel tank mounts and sheet metal parts.Part Number: 3531T52FitsAllis-ChalmersCaseWhite /OliverCockshutFordInternational /...
    Add to Cart