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456017 Replacement Coupling, Quick Coupler Fits CASE IH Harvesting Forage Equipment

If your harvester is losing pressure or leaving oil spots in the dirt, then it’s time to replace your old fittings. The 456017 Quick Coupler is a heavy-duty replacement designed specifically for the hydraulic blocks on Case IH forage equipment.

Unlike generic parts that don't quite seat right, this coupling 456017 is machined to exact factory specs. It handles the high flow and constant vibration of a busy harvest without backing off or weeping. The hardened steel body stands up to grit and heat, making sure you can snap lines on and off in seconds without reaching for a wrench. It’s a reliable, shop-tested fix that keeps your machine's hydraulic power consistent from the first acre to the last.

    Fitment Tips

    Interface Type: This is typically a 1/2" body size coupling. If your current male tip measures roughly 0.8 to 0.9 inches in diameter, this 456017 female body is likely the correct receiver.

    The Buddy Part: This thing is made to work with the 456012 Male Tip. When you are fixing the system it is usually an idea to get new male and female parts at the same time. This way you can be sure that the 456012 Male Tip and the Buddy Part will work together perfectly and you will not have any leaks.

    Check Your Serial Number: On Case IH forage equipment, hydraulic specs can change midway through a production year. We always recommend checking the sticker on your hydraulic block or looking up your specific Serial Number (PIN) in the MyCNHStore catalog to be certain.

    Part Name Coupling, Quick Part Number 456017
    Product Type Hydraulic Quick Coupler Compatible Brand Case IH
    Compatible Equipment Forage and Harvesting Equipment Installation Interface Same as OEM coupler's
    Purpose Repair/replacement/aftermarket Origin China
    Quality OEM standard Package Standard industrial packing

    456017 Coupler includes below items
    Type Part Number Description
    Kit #87516476 DIA KIT, HARVESTER.
    Kit #84993691 KIT

    EQUIPMENT FITMENT
    MODEL NAME EQUIPMENT FITMENT PRODUCT TYPE PRODUCT LINE
    2106-MX600 6-ROW CORN HEAD 01/02 10/13 1 HARVESTING EQUIPMENT HEADERS
    2108-MFX800 8-ROW CORN HEAD FLIP-UP 01/02 11/13 1 HARVESTING EQUIPMENT HEADERS
    CHX320 CASE IH SELF-PROPELLED FORAGE HARVESTER 11/02 09/05 2 FORAGE EQUIPMENT SELF-PROPELLED FORAGE HARVESTER
    CHX420 CASE IH SELF-PROPELLED FORAGE HARVESTER 11/02 04/06 2 FORAGE EQUIPMENT SELF-PROPELLED FORAGE HARVESTER
    CHX520 CASE IH SELF-PROPELLED FORAGE HARVESTER 11/02 04/06 2 FORAGE EQUIPMENT SELF-PROPELLED FORAGE HARVESTER
    CHX620 CASE IH SELF-PROPELLED FORAGE HARVESTER 11/02 04/06 2 FORAGE EQUIPMENT SELF-PROPELLED FORAGE HARVESTER
    CT5050 CASE IH COMBINE 12/01 05/04 1 HARVESTING EQUIPMENT CONVENTIONAL COMBINES
    CT5060 CASE IH COMBINE 12/01 10/04 1 HARVESTING EQUIPMENT CONVENTIONAL COMBINES
    CT5070 CASE IH COMBINE 12/01 10/04 1 HARVESTING EQUIPMENT CONVENTIONAL COMBINES
    CT5080 CASE IH COMBINE 12/01 05/04 1 HARVESTING EQUIPMENT CONVENTIONAL COMBINES