{"product_id":"schumacher-straw-chopper-knife-claas-smooth-heavy-duty-tungsten-carbide-radura-primeline-a074t","title":"CLAAS | Straw Chopper Knife – Heavy Duty for Corn | Replaces 18239990 | Schumacher A074T","description":"\u003cp\u003e\u003cstrong\u003eGenuine Schumacher A074T |\u003c\/strong\u003e Heavy-duty \u003cstrong\u003esmooth-edge tungsten carbide coated straw chopper knife\u003c\/strong\u003e specifically suited for \u003cstrong\u003ecorn harvest\u003c\/strong\u003e on compatible \u003cstrong\u003eCLAAS combine straw chopper systems\u003c\/strong\u003e. This thicker-duty knife replaces \u003cstrong\u003eCLAAS OEM 18239990\u003c\/strong\u003e, also referenced as \u003cstrong\u003e00018239990 and 1823999.0\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eA074T is a heavier 5 mm thick chopper knife designed for the demanding residue conditions associated with corn harvest\u003c\/strong\u003e. Its increased blade thickness provides added strength and durability when processing heavy stalks and high volumes of crop residue, while the smooth cutting edge supports controlled and uniform chopping.\u003c\/p\u003e\n\n\u003cp\u003eManufactured by \u003cstrong\u003eSchumacher\u003c\/strong\u003e, the A074T uses Radura cutting technology and a \u003cstrong\u003elaser-clad tungsten carbide wear surface\u003c\/strong\u003e. Extremely hard carbide particles are bonded to the cutting area to provide high resistance to abrasive wear and substantially longer service life than a conventional untreated chopper knife.\u003c\/p\u003e\n\n\u003cp\u003eThe carbide-coated edge also creates a \u003cstrong\u003eself-sharpening effect\u003c\/strong\u003e. As the underlying carrier material gradually wears faster than the carbide layer, the cutting edge remains effective throughout the service life of the knife. This helps maintain consistent chopping performance during long periods of operation.\u003c\/p\u003e\n\n\u003cp\u003eMaintaining an effective cutting edge helps reduce unnecessary resistance through the chopper, supporting a more \u003cstrong\u003estable engine load and power demand\u003c\/strong\u003e. This can help limit wasted energy and fuel while processing tough corn stalks and other heavy harvest residue.\u003c\/p\u003e\n\n\u003cp\u003eThe A074T is designed to produce \u003cstrong\u003eclean, consistent residue shredding and uniform material distribution\u003c\/strong\u003e behind the combine. Properly processed corn residue breaks down more efficiently and is easier to incorporate during subsequent tillage operations.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eSee the specifications table below for dimensions and mounting details\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003c!-- Product Specifications --\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3 style=\"margin-top: 1em;\"\u003eProduct Specifications\u003c\/h3\u003e\n\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 14px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #e0e0e0; color: #333333;\"\u003e\n\u003cth style=\"padding: 12px; text-align: left; border-bottom: 1px solid #999; font-size: 15px; font-weight: normal;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"padding: 12px; text-align: left; border-bottom: 1px solid #999; font-size: 15px; font-weight: normal;\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; background-color: #f4f4f4; font-weight: bold; border-bottom: 1px solid #ccc;\"\u003eBrand (OEM Fitment)\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border-bottom: 1px solid #ccc;\"\u003eCLAAS\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; background-color: #f4f4f4; font-weight: bold; border-bottom: 1px solid #ccc;\"\u003eOEM Part\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border-bottom: 1px solid #ccc;\"\u003e18239990\u003cbr\u003eAlso referenced as 00018239990, 1823999.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; background-color: #f4f4f4; font-weight: bold; border-bottom: 1px solid #ccc;\"\u003eOur Part Number\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border-bottom: 1px solid #ccc;\"\u003eA074T\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; background-color: #f4f4f4; font-weight: bold; border-bottom: 1px solid #ccc;\"\u003eProduct Line\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border-bottom: 1px solid #ccc;\"\u003eSchumacher Radura PrimeLine\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; background-color: #f4f4f4; font-weight: bold; border-bottom: 1px solid #ccc;\"\u003eBlade Type\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border-bottom: 1px solid #ccc;\"\u003eSmooth Edge - Heavy Duty\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; background-color: #f4f4f4; font-weight: bold; border-bottom: 1px solid #ccc;\"\u003eHarvest Application\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border-bottom: 1px solid #ccc;\"\u003e\n\u003cstrong\u003eCorn Harvest\u003c\/strong\u003e\u003cbr\u003eHeavy stalk and crop-residue conditions\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; background-color: #f4f4f4; font-weight: bold; border-bottom: 1px solid #ccc;\"\u003eWear Protection\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border-bottom: 1px solid #ccc;\"\u003eTungsten Carbide Coated\u003cbr\u003eLaser-Clad \/ Self-Sharpening\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; background-color: #f4f4f4; font-weight: bold; border-bottom: 1px solid #ccc;\"\u003eTotal Length (L)\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border-bottom: 1px solid #ccc;\"\u003e178 mm (7.008\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; background-color: #f4f4f4; font-weight: bold; border-bottom: 1px solid #ccc;\"\u003eWidth (W)\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border-bottom: 1px solid #ccc;\"\u003e60 mm (2.362\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; background-color: #f4f4f4; font-weight: bold; border-bottom: 1px solid #ccc;\"\u003eThickness (T)\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border-bottom: 1px solid #ccc;\"\u003e\u003cstrong\u003e5 mm (0.197\") - Heavy Duty\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; background-color: #f4f4f4; font-weight: bold; border-bottom: 1px solid #ccc;\"\u003eBore Diameter (B)\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border-bottom: 1px solid #ccc;\"\u003e30 mm (1.181\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003c!-- Compatible Machines --\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3 style=\"margin-top: 1em;\"\u003eCompatible Machines\u003c\/h3\u003e\n\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 14px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #e0e0e0; color: #333333;\"\u003e\n\u003cth style=\"padding: 12px; text-align: left; border-bottom: 1px solid #999; font-size: 15px; font-weight: normal;\"\u003eCLAAS Models\u003c\/th\u003e\n\u003cth style=\"padding: 12px; text-align: left; border-bottom: 1px solid #999; font-size: 15px; font-weight: normal;\"\u003eFits These Machines\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; background-color: #f4f4f4; border-bottom: 1px solid #ccc; vertical-align: top;\"\u003e\u003ci\u003eDominator\u003cbr\u003eMega\u003cbr\u003eCommandor\u003cbr\u003eMedion\u003c\/i\u003e\u003c\/td\u003e\n\n\u003ctd style=\"padding: 12px; border-bottom: 1px solid #ccc;\"\u003e\n\n\u003cstrong\u003eDominator:\u003c\/strong\u003e\u003cbr\u003e\n78 - 88 - 98\u003cbr\u003e\n108 - 118\u003cbr\u003e\u003cbr\u003e\n\n\u003cstrong\u003eMega:\u003c\/strong\u003e\u003cbr\u003e\n208 - 218\u003cbr\u003e\u003cbr\u003e\n\n\u003cstrong\u003eCommandor:\u003c\/strong\u003e\u003cbr\u003e\n112 - 114 - 115\u003cbr\u003e\n228\u003cbr\u003e\u003cbr\u003e\n\n\u003cstrong\u003eMedion:\u003c\/strong\u003e\u003cbr\u003e\n340\n\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003c!-- Cross Reference --\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3 style=\"margin-top: 1em;\"\u003eCross Reference\u003c\/h3\u003e\n\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 14px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #e0e0e0; color: #333333;\"\u003e\n\u003cth style=\"width: 28%; padding: 12px; text-align: left; border-bottom: 1px solid #999; font-size: 15px; font-weight: normal;\"\u003eBrand\u003c\/th\u003e\n\u003cth style=\"width: 27%; padding: 12px; text-align: left; border-bottom: 1px solid #999; font-size: 15px; font-weight: normal;\"\u003ePart Number\u003c\/th\u003e\n\u003cth style=\"width: 45%; padding: 12px; text-align: left; border-bottom: 1px solid #999; font-size: 15px; font-weight: normal;\"\u003eReference\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; background-color: #f4f4f4; font-weight: bold; border-bottom: 1px solid #ccc;\"\u003eCLAAS\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border-bottom: 1px solid #ccc;\"\u003e18239990\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border-bottom: 1px solid #ccc;\"\u003ePrimary OEM reference\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; background-color: #f4f4f4; font-weight: bold; border-bottom: 1px solid #ccc;\"\u003eCLAAS\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border-bottom: 1px solid #ccc;\"\u003e00018239990\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border-bottom: 1px solid #ccc;\"\u003eAlternate OEM formatting\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; background-color: #f4f4f4; font-weight: bold; border-bottom: 1px solid #ccc;\"\u003eCLAAS\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border-bottom: 1px solid #ccc;\"\u003e1823999.0\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border-bottom: 1px solid #ccc;\"\u003eCLAAS formatted reference\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Schumacher","offers":[{"title":"Default Title","offer_id":56003590947108,"sku":"A074T","price":27.22,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0948\/5683\/9460\/files\/schumacher-claas-straw-corn-chopper-knife-18239990-a074t.jpg?v=1789158866","url":"https:\/\/aftermarketfarm.com\/products\/schumacher-straw-chopper-knife-claas-smooth-heavy-duty-tungsten-carbide-radura-primeline-a074t","provider":"AftermarketFARM.com","version":"1.0","type":"link"}