{"product_id":"4-5-bore-24-stroke-mtd-style-trunnion-mount-with-valve-bracket-log-splitter-cylinder-wsd31-118","title":"4.5\" Bore × 24\" Stroke MTD-Style Trunnion-Mount with Valve Bracket Log Splitter Cylinder (WSD31-118)","description":"\u003ch1\u003e\u003cspan\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0024\/7169\/0299\/files\/free_shipping_no_sales_tax_desc_banner.png?v=1774986479\" alt=\"\"\u003e\u003c\/span\u003e\u003c\/h1\u003e\n\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003e\u003cstrong\u003eMTD-Style Replacement • Valve-Support Bracket Installed • Double Acting • 3,500 PSI Maximum\u003c\/strong\u003e\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eReplace a worn or leaking cylinder on a compatible MTD-style log splitter with the \u003cstrong\u003eWSD31-118 Hydraulic Log Splitter Cylinder\u003c\/strong\u003e. This OEM-grade replacement features a \u003cstrong\u003e4.5-inch bore, 24-inch stroke, and trunnion-mount configuration\u003c\/strong\u003e commonly used on select Troy-Bilt, Cub Cadet, Bolens, and MTD log splitters.\u003c\/p\u003e\n\u003cp\u003eUnlike Tool Tuff model WSD31-117, this version includes a \u003cstrong\u003evalve-support bracket near the piston end\u003c\/strong\u003e. The bracket can support compatible control-valve installations but does not have to be used on earlier machines that mount the valve separately. \u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003eKey Features \u0026amp; Benefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e4.5-Inch Bore\u003c\/strong\u003e\u003cbr\u003eProvides the large piston area used on compatible full-size hydraulic log splitters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e24-Inch Stroke\u003c\/strong\u003e\u003cbr\u003eDelivers the cylinder travel commonly required for standard firewood lengths.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrunnion-Mount Configuration\u003c\/strong\u003e\u003cbr\u003eDesigned for compatible splitters that support the cylinder through mounting points positioned around the cylinder body.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValve-Support Bracket Installed\u003c\/strong\u003e\u003cbr\u003eIncludes the handle and control-valve support flange required by certain later MTD-style splitter configurations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBracket Use Is Optional\u003c\/strong\u003e\u003cbr\u003eThe installed support bracket does not need to be used when replacing a cylinder on an earlier machine with a separate valve-mounting arrangement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDouble-Acting Operation\u003c\/strong\u003e\u003cbr\u003eHydraulic pressure powers both cylinder extension and retraction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3,500 PSI Maximum Operating Pressure\u003c\/strong\u003e\u003cbr\u003eBuilt for compatible high-pressure log splitter hydraulic systems operating within the published limit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRebuildable Construction\u003c\/strong\u003e\u003cbr\u003eInternal seals can be replaced after normal wear, extending the useful life of the cylinder.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM-Grade Replacement Design\u003c\/strong\u003e\u003cbr\u003eMade to replace several MTD-family hydraulic cylinder part numbers when mounting and hydraulic connections match.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlack Painted Finish\u003c\/strong\u003e\u003cbr\u003eHelps protect the cylinder exterior against corrosion and outdoor exposure. \u003cspan class=\"\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eReplacement Part Compatibility\u003c\/h2\u003e\n\u003cp\u003eThe WSD31-118 is a replacement for compatible MTD-style cylinders associated with the following part numbers:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e918-04713\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e918-04713A\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e918-0769A\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e718-0769A\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eOther compatible 4.5-inch MTD trunnion-mount cylinders\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe genuine MTD 918-0769A cylinder also supersedes earlier part numbers \u003cstrong\u003e718-0769\u003c\/strong\u003e and \u003cstrong\u003e718-0769A\u003c\/strong\u003e. \u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eCompatible brands may include select models sold under:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMTD\u003c\/li\u003e\n\u003cli\u003eTroy-Bilt\u003c\/li\u003e\n\u003cli\u003eCub Cadet\u003c\/li\u003e\n\u003cli\u003eBolens\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eExact compatibility must be determined by the original cylinder part number, mounting configuration, ports, dimensions, and valve-support arrangement—not by brand or splitter tonnage alone.\u003c\/p\u003e\n\u003ch2\u003eValve-Support Bracket\u003c\/h2\u003e\n\u003cp\u003eThis cylinder includes a factory-installed bracket near the piston end for supporting a compatible hydraulic control valve and operating handle.\u003c\/p\u003e\n\u003cp\u003eChoose this version when the existing cylinder has a similar bracket or when the splitter’s valve assembly requires cylinder-mounted support.\u003c\/p\u003e\n\u003cp\u003eTool Tuff also offers model \u003ca href=\"https:\/\/www.woodsplitterdirect.com\/products\/4-5-bore-24-stroke-mtd-style-replacement-trunnion-mount-log-splitter-cylinder-wsd31-117\" target=\"_blank\" rel=\"noopener\"\u003e\u003cstrong\u003e31-117\u003c\/strong\u003e\u003c\/a\u003e, which uses the same general 4.5-inch-bore, 24-inch-stroke trunnion configuration but does \u003cstrong\u003enot\u003c\/strong\u003e include the valve-support bracket. \u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003eHydraulic Connections\u003c\/h2\u003e\n\u003cp\u003eThe cylinder uses two different hydraulic connections:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eSAE-8 ORB female port\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eJIC-8 male connection\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eConfirm that the existing hoses and fittings match these connection types. NPT, JIC, and ORB fittings are not automatically interchangeable, even when their nominal sizes appear similar. \u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003eQuick Specifications\u003c\/h2\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth class=\"last:pe-10\"\u003eSpecification\u003c\/th\u003e\n\u003cth class=\"last:pe-10\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTool Tuff\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel \/ SKU\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWSD31-118\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHydraulic Log Splitter Cylinder\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting Style\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTrunnion Mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCylinder Action\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDouble Acting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBore Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4.5 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStroke Length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e24 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum Operating Pressure\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3,500 PSI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHydraulic Connections\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSAE-8 ORB Female and JIC-8 Male\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eValve-Support Bracket\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIncluded\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBracket Use Required\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNo; May Be Unused on Compatible Earlier Models\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRebuildable\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFinish\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlack Paint\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTypical Published Application\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSelect 25- to 28-Ton MTD-Style Splitters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShipping Area\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eContiguous 48 States\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2\u003ePackage Contents\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eOne WSD31-118 hydraulic log splitter cylinder\u003c\/li\u003e\n\u003cli\u003eFactory-installed valve-support bracket\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eHydraulic hoses, control valve, fittings, mounting pins, hardware, hydraulic fluid, and seal kit are not listed as included.\u003c\/p\u003e\n\u003ch2\u003eImportant Fitment Information\u003c\/h2\u003e\n\u003cp\u003eThis cylinder is \u003cstrong\u003enot universal\u003c\/strong\u003e. Before ordering, verify:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eOriginal cylinder part number\u003c\/li\u003e\n\u003cli\u003e4.5-inch bore\u003c\/li\u003e\n\u003cli\u003e24-inch stroke\u003c\/li\u003e\n\u003cli\u003eTrunnion location and dimensions\u003c\/li\u003e\n\u003cli\u003eFully retracted and extended lengths\u003c\/li\u003e\n\u003cli\u003eHydraulic port types and locations\u003c\/li\u003e\n\u003cli\u003eMounting-pin dimensions\u003c\/li\u003e\n\u003cli\u003eAvailable installation clearance\u003c\/li\u003e\n\u003cli\u003eControl-valve mounting arrangement\u003c\/li\u003e\n\u003cli\u003eWhether the valve-support bracket is required\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eDo not purchase this cylinder solely because the splitter is advertised as a 25-, 27-, or 28-ton machine. MTD-family splitters produced in different years may use different cylinders and valve-mounting arrangements.\u003c\/p\u003e","brand":"Wood Splitter Direct","offers":[{"title":"Default Title","offer_id":49156036788459,"sku":"31-118","price":334.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0024\/7169\/0299\/files\/31-118.webp?v=1785966917","url":"https:\/\/www.woodsplitterdirect.com\/products\/4-5-bore-24-stroke-mtd-style-trunnion-mount-with-valve-bracket-log-splitter-cylinder-wsd31-118","provider":"Wood Splitter Direct","version":"1.0","type":"link"}