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Allis Chalmers WD Tractor Parts

About the Allis-Chalmers WD

The WD brought Allis-Chalmers' two-clutch Power Control system to the row-crop tractor market when it was introduced in 1948. The foot clutch handled the main drive, while the hand-operated wet clutch let the PTO keep turning when the tractor slowed or stopped.

Built through 1953, the WD also introduced power-shifted rear wheels and used a four-speed transmission. The WD was followed by the higher-powered WD45.

Serial Number Reference

Serial number locations: The tractor serial number is stamped at the left brake cover or the left rear of the axle housing. The engine serial number is on the left-hand side of the engine near the carburetor.

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

 

1948-1949
Model WD year Beginning serial number
1948 7
1949 9,250
1950-1951
Model WD year Beginning serial number
1950 35,445
1951 72,328
1952-1953
Model WD year Beginning serial number
1952 105,182
1953 131,243

Total production: 146,125 Model WD tractors.

Allis-Chalmers WD Paint Reference

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

Allis-Chalmers WD 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 12 X 28 Rear Spinout Rim (Power Shift)

    Allis-Chalmers Rear Spinout Rim 12 x 28

    Allis-Chalmers
    $729.00
    AC-026D
    Rear spinout rim (Power Shift), 12 x 28. Fits listed tractor models below and uses a 4 rail spinout design.To determine rim width, measure on the inside from bead to bead, not outside to outside. Use...
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  • Allis-Chalmers Magneto Straight Snap Lock Plug Terminal, metallic electrical component with cylindrical shape and ridged grip area.

    Magneto Straight Snap Lock Plug Terminal

    Allis-Chalmers
    $0.75
    824
    Magneto straight snap lock plug terminal. Plug terminal for magneto wire use on applicable Allis-Chalmers ignition setups.Part Number: 824SpecsStraight snap lock plug terminalFor magneto...
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  • Allis-Chalmers Tire 5.50 x 16 Triple Rib 6 Ply for Allis-Chalmers, black tire with triple rib tread pattern, designed for durable performance on agricultural equipment.

    Tire 5.50 x 16 Triple Rib 6 Ply for Allis-Chalmers

    Allis-Chalmers
    $104.75
    WH-047D
    Triple rib 6 ply tire sized 5.50 x 16. Fitment is listed for Allis-Chalmers and several other tractor brands.Part Number: WH-047DFitsAllis ChalmersAveryCaseCockshuttFordIH / FarmallJohn DeereMassey...
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  • Allis-Chalmers Raincap 2 1/2" - 2 11/16" I.D., metallic raincap with mounting bracket and hinges.

    Allis-Chalmers Raincap 2 1/2" - 2 11/16" I.D.

    Allis-Chalmers
    $11.25
    ACR1802
    Raincap with 2 1/2" - 2 11/16" I.D. Listed for select Allis-Chalmers and other tractor brands below.Part Number: ACR1802FitsAllis ChalmersCaseCockshutt: CO-OP E4, E5Cockshutt 40, 50, 560, 570 GOLDEN...
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  • Allis-Chalmers Hood for WD, WD45 Gas, Styled WC, Styled WF tractors, metal tractor hood with rounded design and mounting holes

    Allis Chalmers Hood for WD, WD45 Gas, Styled WC, Styled WF

    Allis-Chalmers
    $575.00
    kI1054
    Hood for Allis Chalmers tractors.Fits WD, WD45 Gas, Styled WC (sn 74330 and up), and Styled WF (sn 1904 and up).Part Number: kI1054FitsWDWD45 GasStyled WC (sn 74330 and up)Styled WF (sn 1904 and...
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  • Allis-Chalmers PTO Over-Running Clutch, heavy-duty agricultural machinery part with mounting and release mechanism.

    PTO Over-Running Clutch

    Allis-Chalmers
    $70.75
    MI-118D
    PTO over-running clutch - MI-118D for the listed tractor brands.Tractors up to 75 horsepower.Part Number: MI-118DFitsAllis ChalmersAveryCaseCockshuttFordIH / FarmallJohn DeereMassey FergusonMassey...
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  • Pertronix Electronic Ignition Conversion Kit 6V Positive Ground for Allis Chalmers, image of electronic ignition components including wiring, a rotor, and other installation parts.

    Electronic Ignition Conversion Kit 6V Positive Ground for Allis Chalmers B, IB, C, CA, D10, D12, D14, D15, D17, G, WC, WD, WD45, WF

    Pertronix
    $237.50
    ACR3188
    Electronic Ignition Conversion Kit for 6V positive ground Allis-Chalmers applications. Replaces points and condenser with a breakerless solid-state ignition system that fits under the stock...
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  • Allis-Chalmers PTO Over-Running Clutch, mechanical tractor part with mounting component and removal tool.

    PTO Over-Running Clutch

    Allis-Chalmers
    $70.75
    MI-138D
    PTO over-running clutch - MI-138D for the listed tractor brands.Tractors up to 75 horsepower.Part Number: MI-138DFitsAllis ChalmersAveryCaseCockshuttFordIH / FarmallJohn DeereMassey FergusonMassey...
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  • Allis-Chalmers 3 Rib 6.50 x 16 Tire, black rubber agricultural tractor tire with three rib tread design.

    3 Rib 6.50 x 16 Tire

    Allis-Chalmers
    $129.50
    WH-049D
    3 rib 6.50 x 16 tire with triple rib 6 ply construction.Fitment is listed for multiple tractor brands and cross references to whs049.Part Number: WH-049DFitsAllis ChalmersAveryCaseCockshuttFordIH /...
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  • Allis-Chalmers 4-cylinder tractor piston ring set, with 16 dark metal rings arranged in four columns of four on a white background.

    Allis-Chalmers Piston Ring Set 4-Cylinder

    Allis-Chalmers
    $79.75
    AB-2090D
    Part Number: AB-2090DAllis-Chalmers Piston Ring SetFor select Allis-Chalmers, Case, and International 4-cylinder applications. Measure old rings before ordering to confirm the correct set.FitsAllis...
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  • Round Allis-Chalmers WD tractor driven disc, shown face-on with a splined central hub, four visible rivets, and four radial slots separating the friction surface into sections.

    Front or Rear Driven Disc for Allis-Chalmers WD

    Allis-Chalmers
    $199.00
    70223149
    Front or rear driven disc for Allis-Chalmers WD tractors SN 165056 and under.New front or rear driven disc with wet clutch design, 10 spline, and 1.382" spline diameter. 2 required per tractor.Part...
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  • 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:...
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  • Allis-Chalmers Tire 6.00 x 16 Triple Rib 4 Ply, black rubber tractor tire with a triple rib tread pattern for Allis-Chalmers equipment.

    Tire 6.00 x 16 Triple Rib 4 Ply for Allis-Chalmers

    Allis-Chalmers
    $119.75
    WH-048D
    Tire only, 6.00 x 16" triple rib 4 ply. Fitment is listed for Allis-Chalmers and several other tractor brands.Part Number: WH-048DFitsAllis ChalmersAveryCaseCockshuttFordIH / FarmallJohn DeereMassey...
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  • Image of an intermediate drive gear for Allis-Chalmers farm tractors, specifically part number 70227323. The gear appears to be metallic, with multiple teeth around its circumference, designed for use in PTO systems.

    Allis Chalmers PTO Intermediate Drive Gear 70227323

    Allis-Chalmers
    $145.50
    AC-008D
    PTO intermediate drive gear for Allis Chalmers WD, WD45, and WD45 (Diesel) models.New part. Replaces 227323 and 70227323. 19 and 33 teeth.Part Number: AC-008DFitsAllis Chalmers WDAllis Chalmers...
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  • A circular metal clutch center plate for Allis-Chalmers WD and WD45 farm tractors. The plate has a hole at the top and small tabs at the edges, and appears to be made of durable steel.

    Allis-Chalmers WD WD45 Transmission Clutch Center Plate

    Allis-Chalmers
    $59.75
    AC-5184D
    Transmission clutch center plate for Allis-Chalmers WD and WD45 tractors. New part with listed fitment notes, measurements, and replacement numbers.Part Number: AC-5184DFitsAllis Chalmers WD (1 used...
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  • A set of piston rings for Allis-Chalmers farm tractors, compatible with models D17, 170, 175, WC, WD, WD45, WF, arranged in four columns with five rings each, totaling 20 rings.

    Piston Ring Set for Allis Chalmers D17, 170, 175, WC, WD, WD45, WF

    Allis-Chalmers
    $185.00
    ACR2C7553
    Piston ring set for Allis Chalmers 170, 175, WC, WD, WD45, and WF models. For W/ G226, G201 4-cylinder gas engine.Part Number: ACR2C7553FitsAllis Chalmers 170Allis Chalmers 175Allis Chalmers D17Allis...
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  • Allis-Chalmers Radiator Shutter Crank for Allis Chalmers B, C, CA, IB tractor, orange metal with handle and mounting end.

    Radiator Shutter Crank for Allis Chalmers B, C, CA, IB

    Allis-Chalmers
    $36.50
    KI1099
    Radiator shutter crank handle for listed Allis Chalmers tractors and AC power units.Part Number: KI1099FitsAllis Chalmers: B, C, CA, IB; serviceable for WC, WF, WD, WD45AC Power Unit: W201, W226
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