{"product_id":"13-gpm-2-stage-hydraulic-pump-for-dirty-hand-tools-22-27-ton-log-splitters-replaces-dht-100158wsd31-251","title":"13 GPM 2-Stage Hydraulic Pump for Dirty Hand Tools 22 \u0026 27 Ton Log Splitters – Replaces DHT 100158 (WSD31-251)","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 dir=\"auto\" class=\"PDq2pG_selectionAnchorContainer\"\u003e\u003cstrong\u003eAftermarket Replacement for DHT 100158 • 13 GPM • 2-Stage Design • 1\/2\" Keyed Shaft • Fits DHT 22-Ton 100171 \u0026amp; 27-Ton 100408\u003c\/strong\u003e\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eRestore hydraulic performance on your discontinued \u003cstrong\u003eDirty Hand Tools (DHT) log splitter\u003c\/strong\u003e with this \u003cstrong\u003e13 GPM, 2-stage aftermarket hydraulic pump\u003c\/strong\u003e. This pump is being offered as a replacement for the original \u003cstrong\u003eDHT part number 100158\u003c\/strong\u003e, used on the \u003cstrong\u003e22-Ton model 100171\u003c\/strong\u003e and \u003cstrong\u003e27-Ton model 100408\u003c\/strong\u003e log splitters.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eThe original DHT parts documentation identifies both the 22- and 27-ton models as using \u003cstrong\u003e100158 – Pump, 2 Stage, 13 GPM\u003c\/strong\u003e, along with a \u003cstrong\u003e1\/2\" bore L090 pump-side jaw coupler\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eThis replacement pump features a \u003cstrong\u003e13 GPM two-stage design\u003c\/strong\u003e, 1\/2\" keyed drive shaft, 1\" suction inlet, and 1\/2\" NPT pressure outlet—making it an excellent choice for bringing a compatible DHT splitter back into service.\u003c\/p\u003e\n\u003ch2 dir=\"auto\"\u003eKey Features \u0026amp; Benefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAftermarket Replacement for DHT 100158\u003c\/strong\u003e\u003cbr\u003eIntended to replace the original 13 GPM two-stage hydraulic pump used on select Dirty Hand Tools log splitters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits DHT 22-Ton Model 100171\u003c\/strong\u003e\u003cbr\u003eThe original DHT service manual identifies model 100171 as using the 100158 13 GPM pump. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits DHT 27-Ton Model 100408\u003c\/strong\u003e\u003cbr\u003eDHT documentation also specifies the same 100158 pump for the 27-ton 100408 splitter. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e13 GPM Two-Stage Pump\u003c\/strong\u003e\u003cbr\u003eTwo-stage operation provides high flow during low-load cylinder travel and transitions to the high-pressure stage when greater splitting force is required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFaster Log Splitter Cycle Performance\u003c\/strong\u003e\u003cbr\u003eTwo-stage hydraulic pumps are designed to provide faster cylinder movement while still allowing higher hydraulic pressure with a relatively small gasoline engine. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1\/2\" Keyed Drive Shaft\u003c\/strong\u003e\u003cbr\u003eFeatures a 1\/2\" diameter shaft with a standard square keyway for connection to a compatible pump-side jaw coupler.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible with the Original DHT Coupling Arrangement\u003c\/strong\u003e\u003cbr\u003eDHT documentation identifies the original pump-side coupling as \u003cstrong\u003epart 100397, L090 with a 1\/2\" bore\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1\" Suction Inlet\u003c\/strong\u003e\u003cbr\u003eDesigned for a 1\" diameter suction connection from the hydraulic reservoir.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1\/2\" NPT Pressure Outlet\u003c\/strong\u003e\u003cbr\u003eUses a common 1\/2\" NPT pressure-side connection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUp to 4,000 PSI Published Pump Rating\u003c\/strong\u003e\u003cbr\u003eHeavy-duty hydraulic construction for compatible log splitter systems operating within the pump and splitter manufacturer's pressure limits. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 dir=\"auto\"\u003eReplaces Dirty Hand Tools Part Number\u003c\/h2\u003e\n\u003ch3 dir=\"auto\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong\u003eDHT 100158 – Pump, 2 Stage, 13 GPM\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp dir=\"auto\"\u003eThe original Dirty Hand Tools parts manual lists pump \u003cstrong\u003e100158\u003c\/strong\u003e in the pump and engine assembly for both:\u003c\/p\u003e\n\u003cdiv dir=\"auto\" class=\"group TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable dir=\"auto\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth class=\"last:pe-10\"\u003eDirty Hand Tools Model\u003c\/th\u003e\n\u003cth class=\"last:pe-10\"\u003eSplitter Rating\u003c\/th\u003e\n\u003cth class=\"last:pe-10\"\u003eOriginal Pump\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e100171\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e22 Ton\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e100158 – 13 GPM, 2-Stage\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e100408\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e27 Ton\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e100158 – 13 GPM, 2-Stage\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp dir=\"auto\"\u003eDHT used a common engine\/pump assembly for these two splitter models, with a Kohler SH265 engine and the 13 GPM two-stage pump. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 dir=\"auto\"\u003eTwo-Stage Pump Performance\u003c\/h2\u003e\n\u003cp dir=\"auto\"\u003eA two-stage hydraulic pump is particularly well suited to log splitters because it automatically provides two operating ranges.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eDuring relatively easy portions of the cylinder stroke, the pump provides higher hydraulic flow for faster movement. As resistance increases during splitting, the pump transitions to its lower-flow, higher-pressure stage.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eThis allows a log splitter to combine:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFaster cylinder travel\u003c\/li\u003e\n\u003cli\u003eHigher available splitting pressure\u003c\/li\u003e\n\u003cli\u003eEfficient use of a small gasoline engine\u003c\/li\u003e\n\u003cli\u003eGood overall cycle performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\"\u003eThe replacement pump is rated at \u003cstrong\u003e13 GPM at a maximum operating speed of 3,600 RPM\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 dir=\"auto\"\u003eQuick Specifications\u003c\/h2\u003e\n\u003cdiv dir=\"auto\" class=\"group TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable dir=\"auto\" 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\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLog Splitter Hydraulic Pump\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReplacement Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAftermarket\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReplaces DHT Part Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e100158\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible DHT Model\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e100171 – 22 Ton\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible DHT Model\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e100408 – 27 Ton\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePump Design\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2-Stage Hydraulic Gear Pump\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePublished Flow\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e13 GPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum Operating Speed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3,600 RPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum Published Pump Pressure\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4,000 PSI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePump Construction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eExtruded Aluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDrive Shaft Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1\/2 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShaft Extension\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.5 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKeyway\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1\/8 in. Square\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSuction \/ Inlet Port\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 in. Diameter Tube\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePressure \/ Outlet Port\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1\/2 in. NPT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePublished Efficiency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e85%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePump Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6.3 lbs.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRotation Viewed From Pump Shaft\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eClockwise\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp dir=\"auto\"\u003eThe replacement pump specifications above are published for the 13 GPM GP-CBN-130 two-stage pump. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 dir=\"auto\"\u003eOriginal DHT Pump \u0026amp; Coupler Configuration\u003c\/h2\u003e\n\u003cp dir=\"auto\"\u003eThe DHT service documentation identifies the following components in the original 22- and 27-ton pump assembly:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e100158\u003c\/strong\u003e – 13 GPM, 2-stage hydraulic pump\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100397\u003c\/strong\u003e – L090 jaw coupler, 1\/2\" bore, pump side\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100124\u003c\/strong\u003e – L090 jaw spider\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100398\u003c\/strong\u003e – L090 jaw coupler, 3\/4\" bore, engine side\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100016\u003c\/strong\u003e – Pump mount, 92mm bolt circle \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\"\u003eIf your couplers or spider are worn, they should be inspected and replaced while the pump is removed.  You can get the replacement \u003ca href=\"https:\/\/www.woodsplitterdirect.com\/products\/lo90-lovejoy-style-3-jaw-coupler-combo-for-dht-dirty-hand-tools-log-splitters-wsd30-363\" target=\"_blank\" rel=\"noopener\"\u003eLO90 “Lovejoy” Style 3-Jaw Coupler Combo here\u003c\/a\u003e if needed.\u003c\/p\u003e\n\u003ch2 dir=\"auto\"\u003ePump Rotation\u003c\/h2\u003e\n\u003cp dir=\"auto\"\u003eWhen viewing the \u003cstrong\u003epump shaft and mounting surface\u003c\/strong\u003e, the pump shaft rotates \u003cstrong\u003eclockwise\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eThe driving engine therefore needs to rotate in the corresponding opposite direction when viewed toward its output shaft so that the assembled pump rotates correctly. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eAlways verify rotation before operating the hydraulic system. Running a hydraulic gear pump in the wrong direction can prevent proper oil flow and may damage the pump.\u003c\/p\u003e\n\u003ch2 dir=\"auto\"\u003ePackage Contents\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e1 × 13 GPM two-stage aftermarket hydraulic pump\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 dir=\"auto\"\u003eImportant Compatibility Information\u003c\/h2\u003e\n\u003cp dir=\"auto\"\u003eThis is an \u003cstrong\u003eaftermarket replacement pump and is not manufactured by Dirty Hand Tools\u003c\/strong\u003e.  This listing is specifically intended for replacement of \u003cstrong\u003eDHT part number 100158\u003c\/strong\u003e on the following Dirty Hand Tools splitters:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e22 Ton – Model 100171\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e27 Ton – Model 100408\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\"\u003eBefore ordering, verify the model number of your splitter and compare your existing pump configuration. DHT produced multiple splitter sizes that used different hydraulic pumps.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eFor example, the DHT parts manual identifies the 28- and 35-ton models as using a different \u003cstrong\u003e17.5 GPM pump, part number 100479\u003c\/strong\u003e, rather than the 100158 pump used on the 22- and 27-ton machines. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eThis replacement should not be ordered for a DHT splitter simply because the machine looks similar. Verify the splitter model and original pump part number before purchase.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eTrademark Disclaimer\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eDirty Hand Tools and DHT are trademarks of their respective owner. They are used only to identify the equipment and replacement-part application. This aftermarket part(s) is not manufactured, sponsored, or endorsed by Dirty Hand Tools.\u003c\/span\u003e\u003c\/p\u003e","brand":"Wood Splitter Direct","offers":[{"title":"Default Title","offer_id":50526161010923,"sku":"31-251","price":164.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0024\/7169\/0299\/files\/DHTReplacementpump22_27TonLogsplitter.webp?v=1790287465","url":"https:\/\/www.woodsplitterdirect.com\/products\/13-gpm-2-stage-hydraulic-pump-for-dirty-hand-tools-22-27-ton-log-splitters-replaces-dht-100158wsd31-251","provider":"Wood Splitter Direct","version":"1.0","type":"link"}