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Allis Chalmers D12 Tractor Parts

Allis-Chalmers D12 Tractor Parts

About the Allis-Chalmers D12

Allis-Chalmers introduced the D12 in 1959 as part of the new D Series. It was a compact row-crop tractor with a four-cylinder gasoline engine, four-speed transmission, live hydraulics, and a 540-rpm PTO. A D12 High Clearance version was also offered for cultivation work where extra clearance mattered.

The D12 stayed in production through 1968 and went through Series I, Series II, and Series III updates during that run. Early and later tractors can therefore differ in engine parts, air-cleaner parts, electrical equipment, and other details, even when both are called a D12. The serial number is the best starting point when checking parts.

Serial Number Reference

Serial number locations: The tractor serial number is stamped into the flange where the engine and transmission meet on the left side of the tractor. The engine serial number is on the rear left-hand side of the engine block behind the carburetor.

The table below shows the beginning tractor serial number for each Model D12 year and series:

 

1959-1961
Model D12 year Beginning serial number
1959 - Series I 1,001
1960 - Series I 1,950
1961 - Series I 2,801
1961 - Series II 3,001
1962-1964
Model D12 year Beginning serial number
1962 - Series II 3,638
1963 - Series II 5,501
1964 - Series II 6,012
1964 - Series III 9,001
1965-1968
Model D12 year Beginning serial number
1965 - Series III 9,192
1966 - Series III 9,508
1967 - Series III 9,830
1968 - Series III 9,979

Total production: About 4,070 Model D12 tractors.

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  • Allis-Chalmers Persian Orange #2 Emblem, a vintage metal display emblem with orange background and silver lettering and border.

    Allis-Chalmers Persian Orange #2 Emblem (Display)

    $27.25
    525
    Persian Orange #2 emblem for select Allis-Chalmers tractors, combines, and lawn and garden models. Part Number: A9902 Fits Allis Chalmers: ED40, D10, D12, D14 (sn 19001 and up), D15, D17 (sn 24001...
  • Allis-Chalmers Seat Cushion Assembly for D10 D12 D14 D15 D17 D19 D21, display image showing a black and white cushioned seat with a label on it.

    Allis-Chalmers Seat Cushion Assembly for D10 D12 D14 D15 D17 D19 D21 (Display)

    $399.75
    491
    Restoration quality seat cushion assembly for select Allis-Chalmers tractors. Cushions are embossed like original and include a steel frame, back rest, and bottom cushion. Part Number:...
  • 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)

    $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...
  • Allis-Chalmers Snap Coupler Latch Spring Oversized Loops 70235881, a metallic coil spring with large loops and eyelets at both ends for agricultural equipment.

    Allis-Chalmers Snap Coupler Latch Spring Oversized Loops 70235881

    Allis-Chalmers
    $8.75
    AC-269S
    Allis Chalmers snap coupler latch spring for the models listed below. Oversized end loops slip over the existing rivets for fast, hassle‑free installation—no need to pull the old rivets. 3-1/4"...
  • Allis-Chalmers Tachometer D10 D12 (Display)

    Allis-Chalmers Tachometer D10 D12 (Display)

    $111.50
    702
    Part Number: AC-311D Allis-Chalmers Tachometer This tachometer is for Allis-Chalmers D10 and D12 models up to SN 9000 with 4 speed transmission. It has an AC logo. Fits Allis-Chalmers: D10, D12 (Up...
  • Allis-Chalmers Tachometer for D10, D12 9000 & Up (Display)

    Allis-Chalmers Tachometer for D10, D12 9000 & Up (Display)

    $118.50
    703
    Tachometer for Allis-Chalmers D10 and D12 tractors. Part Number: AC-311RT Fits D10 serial number 9000 & up D12 serial number 9000 & up Replaces / Cross...
  • Allis-Chalmers Temperature Gauge D10 D12 D14 D15 D17 D19 WD45 Diesel, round water temperature gauge with black cord and metallic mounting, displaying temperature range from 160 to 220 degrees.

    Allis-Chalmers Temperature Gauge D10 D12 D14 D15 D17 D19 WD45 Diesel (Display)

    $39.75
    616
    Part Number: AC-260D Allis-Chalmers Temperature Gauge This Allis-Chalmers temperature gauge is for WD45 Diesel, D10, D12, D14, D15, D17, and D19 models. It includes an Allis-Chalmers logo and a 70"...
  • Allis-Chalmers Thermostat 180 Degrees, display of a used thermostat part.

    Allis-Chalmers Thermostat 180 Degrees (Display)

    $10.25
    509
    Thermostat 180 degrees for Allis-Chalmers D10, D12, WC, WD, and WF. Part Number: AB-1086D Fits Allis-Chalmers D10 Allis-Chalmers D12 Allis-Chalmers WC Allis-Chalmers WD Allis-Chalmers WF Avery...
  • Allis-Chalmers Upper Seat Spacer Pivot Bushing 70227915, display image of a blue cylindrical metal bushing with some rust and wear.

    Allis-Chalmers Upper Seat Spacer Pivot Bushing 70227915 (Display)

    $11.00
    681
    Upper seat spacer, pivot for shock absorber for Allis-Chalmers tractors. Sold individually; 2 per tractor. Part Number:...
  • Allis-Chalmers Water Pump, display model with attached orange tag and gasket, on a beige surface

    Allis-Chalmers Water Pump (Display)

    $95.50
    459
    New water pump for Allis-Chalmers tractors. Fits B, IB, C, CA, RC, D10, D12, and D14. The pump has a 3/8" NPT bypass hole which can be plugged if needed. Part Number: AC-227D Fits Allis-Chalmers...
  • Ammeter Amp Gauge (30-0-30) Display, round electrical ammeter gauge with black dial and silver bezel, measuring amperes in a vehicle or electrical system.

    Ammeter Amp Gauge (30-0-30) (Display)

    $15.75
    620
    Ammeter amp gauge with a 30-0-30 range, chrome bezel, and 2" diameter hole fitment. Fits the tractor models and applications listed below. Part Number: AB-109D Fits Allis Chalmers: D10, D12, D14,...
  • Black & White Seat Back Cushion on Wood, display

    Black & White Seat Back Cushion on Wood - Allis Chalmers (Display)

    $62.50
    488
    Black & white vinyl seat back cushion on wood for listed Allis Chalmers models. Part Number: ACR0853 Fits Allis Chalmers: D10, D12, D14, D15, D17, D19, D21, 170, 175, 180, 185, 190, 190XT, 200, 210,...
  • Black & White Seat Cushion Bottom on Wood - Allis Chalmers, display seat cushion in plastic packaging with orange identification tag.

    Black & White Seat Cushion Bottom on Wood - Allis Chalmers (Display)

    $95.00
    487
    Black & white vinyl seat cushion bottom on wood frame for listed Allis Chalmers models. Part Number: ACR0852 Fits Allis Chalmers: D10, D12, D14, D15, D17, D19, D21, 170, 175, 180, 185, 190, 190XT,...
  • Delco Distributor Cap Spring Clip AB-488SD, display of a metal spring clip and its mounting plate on a brown surface with a label.

    Delco Distributor Cap Spring Clip AB-488SD (Display)

    $12.00
    673
    Distributor Cap Spring Clip AB-488SD AB-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"...
  • Delco Distributor Cap Spring Clip With Longer Bracket, metal splitter clip with extended bracket for distributor cap

    Delco Distributor Cap Spring Clip With Longer Bracket (Display)

    $12.00
    672
    Product Overview Distributor cap spring clip with a 1" long bracket, one screw, and two washers. Longer bracket than the bracket in ABC488S. Fits Allis Chalmers: B, IB, C, CA, G, RC, WC, WF, WD,...
  • 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)

    $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...
  • Fuel Bail Assembly (Short Bowl), metal component with adjustable screw, used for fuel system maintenance or repair.

    Fuel Bail Assembly (Short Bowl) (Display)

    $6.00
    501
    Fuel Bail Assembly (Short Bowl) for Allis-Chalmers and other listed tractor models. New part. Part Number: AB-563D Fits Allis Chalmers: B, IB, C, CA, D10, D12, D14, D15 Gas (up to sn 9001), D17 Gas...