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Allis Chalmers I400 Tractor Parts

About the Allis-Chalmers I400

The I400, also written I-400, followed the I40 in the Allis-Chalmers industrial tractor range. Built in West Allis, Wisconsin, from 1966 through 1968, it used a four-cylinder 2.4-liter gasoline engine rated at 40.6 horsepower. It featured two-wheel drive and power steering and was offered for loader and backhoe work.

Confirm the engine, tractor serial number, and any application notes in each product description before ordering.

Serial Number Reference

The table lists the beginning tractor serial number for each production year.

Model I400 year Beginning serial number
1966 1,003
1967 1,281
1968 1,495

Final serial number listed: 1,750.

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  • A black metal tachometer drive adapter with a rectangular flange on one end and a cylindrical shaft with a slot on the other end, placed on a brown cardboard surface. Below the part is a label with the number 695 and the description "USED PARTS / DISPLAY." This adapter is identified as for Allis-Chalmers farm tractors, not for automobiles.

    Allis Chalmers Tachometer Drive Adapter 70228768 (Display)

    Allis-Chalmers
    $15.00
    695
    Tachometer drive adapter for select Allis Chalmers tractors and industrial models. Use with item # AC-1912D. Part Number: AC-1915D Fits I40 I400 I60 D10 D12 D14 D15 (Gas/LP) D17 (Gas/LP) Backhoe:...
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  • A threaded metal nipple with a hexagonal section in the middle, used as a tachometer drive component for Allis-Chalmers farm tractors. The item is displayed on a brown background with a label underneath reading "694 USED PARTS / DISPLAY."

    Allis Chalmers Tachometer Drive Threaded Nipple 70228769 (Display)

    Allis-Chalmers
    $15.00
    694
    Tachometer drive threaded nipple for select Allis Chalmers tractors and industrial models. Threads into the governor housing on gas and LP models or the block on diesel models. Part Number:...
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  • Allis-Chalmers Case Radiator Cap, used display part shown on a beige background with a label marked 530 and barcode.

    Allis-Chalmers Case Radiator Cap (Display)

    Allis-Chalmers
    $19.75
    530
    Chrome-plated radiator cap for select Allis-Chalmers and Case tractors and equipment. For pressurized systems and listed for the applications below. Part Number: AC-209D Fits Allis Chalmers - CA,...
    Out of stock
  • Thermostat 160 Degrees for Allis-Chalmers and More, displaying a used metal component with a label indicating it's a display item.

    Thermostat 160 Degrees for Allis-Chalmers and More (Display)

    Allis-Chalmers
    $31.75
    506
    Thermostat 160 degrees with a 2.600" length and 2.510" flange diameter. Fits the listed tractor applications below. Part Number: IH-913D Fits Allis Chalmers: B (Engine SN: 126210 & up when equipped...
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  • Aftermarket 12V Distributor Hot Coil 55000 Volts Internally Resisted, black electrical coil component with mounting brackets and terminal connectors.

    12V Distributor Hot Coil 55000 Volts Internally Resisted

    Aftermarket
    $59.75
    AB-6158D
    12V distributor hot coil with 55,000 volts and internally resisted design. No external resistor required.Works with or without electronic ignition system.Part Number: AB-6158DFitsAllis Chalmers - B,...
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  • A set of five black spark plug wires with gold connectors designed for Allis-Chalmers farm tractors with electronic ignition, along with a single rubber boot insulator.

    Allis-Chalmers Spark Plug Wire Set for Electronic Ignition

    Allis-Chalmers
    $24.75
    AC-4304D
    Spark plug wire set for Allis-Chalmers models with electronic ignition.Part Number: AC-4304DFitsAllis-Chalmers BAllis-Chalmers IBAllis-Chalmers CAllis-Chalmers CAAllis-Chalmers RCAllis-Chalmers...
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  • Image of a black gasket designed for Allis-Chalmers farm tractors' oil pump body to cylinder block connection.

    Allis-Chalmers Oil Pump Body to Cylinder Block Gasket

    Allis-Chalmers
    $5.00
    70277273
    Oil Pump Body To Cylinder Block Gasket. New gasket for the listed Allis-Chalmers applications.Part Number: 70277273FitsAllis-Chalmers BAllis-Chalmers IBAllis-Chalmers CAllis-Chalmers CAAllis-Chalmers...
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  • A set of pistons, sleeves, and rings kit designed for Allis-Chalmers farm tractors D10, D12, D14, and D15. The kit includes four pistons, four sleeves, rings, and other engine components, with a note indicating it's for illustrative purposes only.

    Pistons Sleeves and Rings Kit for Allis-Chalmers D10 D12 D14 D15

    Allis-Chalmers
    $637.00
    ACR3306
    Allis-Chalmers piston, sleeves, and rings kit for D10, D12, D14, and D15. Includes 3-9/16 over bore pistons, sleeves, O-rings, piston rings, and pins.Part Number: ACR3306FitsAllis Chalmers - D10,...
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  • Allis-Chalmers sediment bowl assembly for farm tractors, shown with metal components, a transparent bowl at the bottom, and an attached valve and brass fittings.

    Sediment Bowl Assembly for Allis-Chalmers B, C, CA, IB, RC, D14, D15, D17, D19

    Allis-Chalmers
    $29.75
    AB-092D
    Sediment Bowl Assembly for Allis-Chalmers B, C, CA, IB, RC, D14, D15, D17, and D19. Confirm the fuel bowl style and outlet before ordering.Includes a shallow bowl with a 90 degree outlet only.Part...
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  • Allis-Chalmers Category 1 Top Link for farm tractors, with a long, yellowish metal bar and a smaller connecting pin.

    Category 1 Top Link for Allis Chalmers and Various Models

    Allis-Chalmers
    $28.00
    FD-023D
    Category 1, Top LinkCat 1 top link with broad model application across multiple tractor brands.Part Number: FD-023DFitsAGCO Tractor: 4650 and other models using CAT 1 three point hitchAllis Chalmers:...
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  • Allis-Chalmers farm tractor oil pump repair kit arranged on a white background, with metal parts, springs, and several shaped gaskets.

    Allis Chalmers Oil Pump Repair Kit

    Allis-Chalmers
    $149.75
    AC-3420D
    Allis Chalmers oil pump repair kit for listed tractors, forklifts, combines, power units, and a loader.Kit includes a rotor blade set, rotor blade springs, rotor blade shaft, and gaskets. Some...
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  • Brass distributor shaft bushing with six flat shims for an Allis-Chalmers Delco distributor repair kit for farm tractors.

    Delco Distributor Shaft Bushing & Shim Kit for Allis-Chalmers, Avery, Case, Cockshutt, Oliver, John Deere

    Allis-Chalmers
    $25.75
    AB-3007D
    Delco distributor shaft bushing & shim kit for the listed Allis-Chalmers and other equipment applications.Use the included bushing and shims for the applications shown below. The bushing needs to be...
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  • Allis-Chalmers tractor fuel gauge, part number 70227865, with a silver face, orange four-hole mounting flange, and markings for E, 1/4, 1/2, 3/4, and F.

    Allis Chalmers Fuel Gauge 70227865

    Allis-Chalmers
    $82.75
    AC-2640D
    Allis Chalmers fuel gauge for D10, D12, D14, D15, ED40, H3, HD3, I40, I400, I60, and I600 gas and diesel models.Complete with gasket and 4 screws. Gauge face is the same as original.Part Number:...
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  • Metal Allis-Chalmers farm tractor alternator pulley with a single 3/8-inch belt groove and a 2-3/8-inch outer diameter, shown at an angle.

    Alternator Pulley 2-3/8 in. OD, 3/8 in. Belt

    Allis-Chalmers
    $16.00
    AB-418P
    Alternator pulley for Allis Chalmers models with a fixed pulley water pump.Part Number: AB-418PFitsAllis Chalmers - D10, D12, D15, H3, I40, I400, I60, I600Specs.670" shaft diameter2-3/8" pulley...
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  • Black 19-inch cushion pad for an Allis-Chalmers farm tractor seat, with a smooth vinyl surface, raised padded edges, and a contoured center.

    Black Tractor Seat Pad Cushion 19"

    Allis-Chalmers
    $39.50
    YF30BLK
    This black tractor seat pad cushion is for tractors with a round pan seat. It fits a 19" to 21" seat pan side to side and uses a drawstring attachment.Part Number: YF30BLKFitsAllis Chalmers - B, C,...
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  • Orange and white 19-inch seat cushion pad for an Allis-Chalmers farm tractor, shown on a white background.

    Orange and White Tractor Seat Pad Cushion 19"

    Allis-Chalmers
    $39.50
    YF30WO
    This orange and white tractor seat pad cushion is for tractors with a round pan seat. It fits a 19" to 21" seat pan side to side and uses a drawstring attachment.Part Number: YF30WOFitsAllis Chalmers...
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  • Black 2-inch circular NBR gasket for an Allis-Chalmers farm tractor sediment bowl, shown alone against a white background.

    2" Sediment Bowl Gasket (NBR)

    Allis-Chalmers
    $1.70
    70208362
    2" sediment bowl gasket made from nitrile butadiene rubber (NBR).Part Number: 70208362FitsAllis Chalmers - B, C, CA, G, D10, D12, D14, D15 (Gas To Sn# 9000), D17 (Gas To Sn# 42000), I40, I400, I60,...
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  • Allis-Chalmers side nameplate fastener set for farm tractors, with silver dome-head rivets and black steel clips arranged on a white background.

    Allis-Chalmers Side Nameplate Rivets & Steel Clips Set

    Allis-Chalmers
    $19.75
    DJS015
    Part Number: DJS015Allis-Chalmers Side Nameplate Rivets & Steel Clips SetSet includes 14 aluminum rivets and 14 steel clips. For select Allis-Chalmers tractor side nameplates...
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