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Allis Chalmers B Tractor Parts

Allis-Chalmers B Tractor Parts

About the Allis-Chalmers B

Allis-Chalmers designed the Model B for smaller farms that needed an affordable, useful tractor without the size of a full-scale machine. Introduced in 1937, the B was light and narrow, with an arched front axle and high clearance that made it useful around one-row crops, truck farms, and nurseries.

The Model B was also notable for being sold with pneumatic tires rather than an optional steel-wheel setup. Production continued through 1957.

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, between the carburetor and fuel filter.

The table below uses one beginning tractor serial number for each Model B year:

1937-1943
Model B year Beginning serial number
1937 1
1938 97
1939 11,800
1940 33,502
1941 49,721
1942 56,782
1943 64,501
1944-1950
Model B year Beginning serial number
1944 65,502
1945 70,210
1946 72,265
1947 73,370
1948 80,556
1949 92,295
1950 102,393
1951-1957
Model B year Beginning serial number
1951 114,527
1952 118,674
1953 122,310
1954 124,201
1955 124,711
1956 126,497
1957 127,186

Total production: 120,783 Model B tractors.

The final Model B serial number was 127,461.

Allis-Chalmers B Paint Reference

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

Allis-Chalmers B paint reference by production period
Production period Metal Wheels Disc Chassis Trim
1929 through 1960 Persian Orange 1 Persian Orange 1, Black Black, Galvanized, Persian Orange 1 Persian Orange 1 Persian Orange 1

Paint placement can vary by production year, series, and equipment configuration.

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  • Allis-Chalmers Universal Oil Pressure Gauge (0-30 LB), black dial with white markings, measuring oil pressure in pounds per square inch.

    Universal Oil Pressure Gauge (0-30 LB)

    Allis-Chalmers
    $19.75
    AB-004BD
    Universal oil pressure gauge with a 0-30 LB range.Part Number: AB-004BDFitsAllis Chalmers - B, C, CA, G, IB, RC, WC, WD, WD45, WFJohn Deere - 420, 32, MT, MI, MC, M, LA, L, H, GPO, GP, G, D, BR, B,...
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  • A set of four engine bearing shells, used as main bearings for Allis-Chalmers farm tractors, with some showing a slight bronze or copper color on the inner surface. The bearings are semi-circular and designed to fit into the engine block to support the crankshaft.

    Allis Chalmers Main Bearing Set 0.010" Undersized B IB C CA RC

    Allis-Chalmers
    $129.75
    AC-2766D
    Allis Chalmers main bearing set, 0.010" undersized, sold as a set of 3.Part Number: AC-2766DFitsAllis Chalmers - B, IB, C, CA, RCSpecsMain journal: Undersize size 0.010" (2.240")Sold as...
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  • Allis-Chalmers Front Wheel Clamp Lock Nut for Allis-Chalmers, Avery, Case, Ford, John Deere, Massey Ferguson, showing a metal locking nut with internal gear teeth and a small metal pin.

    Front Wheel Clamp Lock Nut for Allis-Chalmers, Avery, Case, Ford, John Deere, Massey Ferguson

    Allis-Chalmers
    $24.25
    AB-254D
    Front wheel clamp lock nut for Allis-Chalmers and other listed tractor models.Check thread size before ordering. For axle shaft and front wheel applications with 3/4" - 16 NF thread. No re-threading...
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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 REAR RIM 10 X 24 - WH-031D

    Rear Rim 10 x 24 for Allis Chalmers B, C

    Allis-Chalmers
    $399.50
    WH-031D
    Allis Chalmers rear rim 10 x 24 for B and C.USA made, like original, with 4 dimples and 2 blocks.Part Number: WH-031DFitsAllis Chalmers: B, CReplaces / Cross Reference212169whs03170212169Specs10 x...
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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 Lower Generator Bracket B C CA D10 D12 D14, black metal engine part for tractor generator support.

    Allis Chalmers Lower Generator Bracket B C CA D10 D12 D14

    Allis-Chalmers
    $19.50
    AC-1913D
    Lower generator bracket for select Allis Chalmers tractors and the W226 power unit. Made in the USA with a bare finish.Part Number: AC-1913DFitsBCCAD10 up to SN 3500D12 up to SN 3000D14W226 Power...
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  • Allis-Chalmers Allis Chalmers B, C SHROUD ASSEMBLY (TOOLBOX ROSS STEERING) - Ki1001

    Allis-Chalmers B, C Shroud Assembly for Ross Steering

    Allis-Chalmers
    $198.00
    Ki1001
    Part Number: Ki1001OverviewThis shroud assembly is for Allis-Chalmers B and C tractors with Ross steering gear. It is USA made.FitsAllis Chalmers BAllis Chalmers CReplaces / Cross...
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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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  • A set of three main bearing shells for Allis-Chalmers farm tractors, specifically for models B, IB, C, CA, and RC. The shells are metallic, with some showing slight discoloration or wear.

    Main Bearing Set, 0.020" Undersized (Set of 3) - Allis Chalmers B, IB, C, CA, RC

    Allis-Chalmers
    $129.75
    AC-2768D
    Part Number: AC-2768DMain Bearing SetAllis Chalmers main bearing set sold as a set of 3. This set is 0.020" undersized and has a main journal size of 2.230".FitsAllis Chalmers BAllis Chalmers IBAllis...
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  • Allis-Chalmers Allis Chalmers B IB C Rear Axle Nut Socket, gray metal socket tool with a square opening and rounded outer edge optimized for removing or tightening rear axle nuts.

    Allis Chalmers B IB C Rear Axle Nut Socket

    Allis-Chalmers
    $70.00
    Ki1279
    Custom axle nut socket for Allis Chalmers B, IB, and C tractors. Used to remove the axle nut on these models.Part Number: Ki1279FitsAllis Chalmers BAllis Chalmers IBAllis Chalmers C
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  • Allis-Chalmers Choke Butterfly Disc for Allis-Chalmers, Ford, John Deere, metal choke butterfly disc with a coiled spring, mounted on a circular metal plate

    Choke Butterfly Disc for Allis-Chalmers, Ford, John Deere

    Allis-Chalmers
    $19.50
    AB-1182D
    Choke butterfly disc with a 1-5/16" OD for select carburetors used on Allis-Chalmers and other makes listed below.Part Number: AB-1182DFitsAllis-Chalmers: B, IB, C, CA, RC, WD45Cockshutt: E2, E3, 20,...
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  • Heavy Duty 4 Button 9" Spring Loaded Clutch Disc for Allis-Chalmers farm tractors, specifically for models B, C, CA, D10, D12, D14, D15.

    Heavy Duty 4 Button 9" Spring Loaded Clutch Disc for Allis-Chalmers B, C, CA, D10, D12, D14, D15

    Allis-Chalmers
    $220.75
    70253187
    Heavy Duty 4 Button 9" Spring Loaded Clutch DiscFor Allis-Chalmers models listed below. Includes a 10 spline, 1-1/8" spline diameter.Part Number: 70253187FitsAllis Chalmers - B, IB, C, CA, D10, D12,...
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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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  • Allis-Chalmers Allis Chalmers PTO Guard (Shield) - B, IB, C, CA, D10, D12 - 70231775

    Allis Chalmers PTO Guard (Shield) - B, IB, C, CA, D10, D12

    Allis-Chalmers
    $95.00
    70231775
    Allis Chalmers PTO Guard (Shield) for B, IB, C, CA, D10, and D12 tractors. Comes primered.Part Number: 70231775FitsAllis Chalmers BAllis Chalmers IBAllis Chalmers CAllis Chalmers CAAllis Chalmers D10...
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  • Allis-Chalmers Steering Tube Mounting Bracket Pair, metal brackets used for steering component installation.

    Allis Chalmers Steering Tube Mounting Bracket Pair

    Allis-Chalmers
    $29.75
    AC-345D
    Allis Chalmers Steering Tube Mounting Bracket Pair For Allis Chalmers B, C, CA, G, and IB models. Part Number: AC-345DFits B C CA G IB Replaces / Cross Reference 207218 Notes Primer finish
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  • Allis-Chalmers B, C, CA Hood With Large Exhaust Hole, orange tractor hood with multiple ventilation holes.

    Allis-Chalmers B, C, CA Hood With Large Exhaust Hole

    Allis-Chalmers
    $484.00
    Ki1033
    Hood for Allis-Chalmers B, C, and CA tractors with a large exhaust hole.Works with ACR1049 Muffler.Part Number: Ki1033FitsAllis Chalmers: B, C, CAReplaces / Cross Reference22526070225260NotesUSA made
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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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