{"product_id":"macnaught-autoswitch™-dual-piston-grease-gun-pn-k74p-02","title":"Macnaught AutoSwitch™ Dual Piston Grease Gun - PN# K74P-02","description":"\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eExperience the next generation of manual grease guns with the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eMacnaught AutoSwitch™ Dual Piston Grease Gun\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e—an industry-first design that automatically switches between \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ehigh-flow and high-pressure operation\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e as conditions change.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eIts innovative \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003edual-piston mechanism\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e senses line resistance and seamlessly transitions to high-pressure mode without manual switching, delivering smooth, efficient grease flow and effortless single-handed operation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eWhen resistance increases, AutoSwitch™ can build up to \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e12,000 PSI (82,700 kPa \/ 827 bar)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e by hand—providing the power needed for demanding grease points. A \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eblue pressure indicator pin provides a clear visual signal when resistance rises above approximately 1,500 PSI\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, indicating the gun has shifted into high-pressure operation. As resistance decreases, the indicator retracts and the gun automatically returns to high-flow operation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBuilt for professional use, the AutoSwitch™ features a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003edurable cast aluminum head, 20-inch high-pressure hose, and KY SUPERGRIP™ three-jaw high-pressure coupler\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. Easy to prime, load, and service, it delivers the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003epower, control, and efficiency\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e professionals demand.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cb\u003eMacnaught K74P-02 Specifications\u003c\/b\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003ctable style=\"width: 545px;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 139.344px;\"\u003eModel number\u003c\/td\u003e\n\u003ctd style=\"width: 389.656px;\"\u003e\u003cspan\u003eK74P-02 - \u003cspan style=\"color: rgb(255, 42, 0);\"\u003emade in Australia\u003c\/span\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 139.344px;\"\u003e\u003cspan\u003eDescription\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 389.656px;\"\u003e\u003cspan\u003eManual Grease Gun\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 139.344px;\"\u003e\u003cspan\u003eKY SUPERGRIP™ coupler\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 389.656px;\"\u003e\u003cspan\u003e✔\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 139.344px;\"\u003e\u003cspan\u003eFully serviceable\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 389.656px;\"\u003e\u003cspan\u003e✔\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 139.344px;\"\u003e\u003cspan\u003eIncluded extensions\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 389.656px;\"\u003e\u003cspan\u003e20” Flexible NPT\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 139.344px;\"\u003e\u003cspan\u003eOutput Pressure Range\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 389.656px;\"\u003e\n\u003cp\u003eDelivery pressure up to 12,000 psi (82,700 kPa \/ 827 bar) \u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 139.344px;\"\u003e\u003cspan\u003eOutput Volume Per Shot\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 389.656px;\"\u003e\u003cspan\u003eUp to 1.1g (0.04oz) per shot\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 139.344px;\"\u003e\u003cspan\u003eCartridge\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 389.656px;\"\u003e\u003cspan\u003e14oz\/400g\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 139.344px;\"\u003e\u003cspan\u003eBulk Fillable\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 389.656px;\"\u003e\u003cspan\u003e✔\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 139.344px;\"\u003e\u003cspan\u003eMax Grease Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 389.656px;\"\u003e\u003cspan\u003eNLGI No.2\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 139.344px;\"\u003e\n\u003cspan\u003eWarranty\u003c\/span\u003e\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 389.656px;\"\u003e10 years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eMacnaught K74P-02 Features and Benefits\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDelivery pressure up to 12,000 psi (82,700 kPa \/ 827 bar) \u003c\/li\u003e\n\u003cli\u003eFlexible 500mm (20”) high-pressure extension hose \u003c\/li\u003e\n\u003cli\u003eKY SUPERGRIP™ 3 jaw high-pressure coupler \u003c\/li\u003e\n\u003cli\u003eUp to 1.1g (0.04oz) per shot \u003c\/li\u003e\n\u003cli\u003eHeavy-duty 1.6mm thick barrel \u003c\/li\u003e\n\u003cli\u003eRobust zinc pull handle \u003c\/li\u003e\n\u003cli\u003eWetted parts - Aluminum, steel, nitrile rubber and nylon \u003c\/li\u003e\n\u003cli\u003eMaximum viscosity - Up to NLGI 2 \u003c\/li\u003e\n\u003cli\u003eCompatible with 450g (16oz) cartridges for contamination free greasing \u003c\/li\u003e\n\u003cli\u003eGrease Filler compatible with \u003ca href=\"https:\/\/www.macnaughtusa.com\/products\/grease-transfer-pump-bulk-filler-pump\" title=\"J3 Grease Pump\"\u003eJ3 pumps\u003c\/a\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMacnaught K74P-02 Data Sheet (\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0630\/5175\/9801\/files\/K75P-01_AND_K74P-01_Autoswitch_A4_Advert_KB_US_V1_D2.pdf?v=1790697716\" title=\"Data Sheet\" rel=\"noopener\" target=\"_blank\"\u003ePDF\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003e)\u003c\/strong\u003e\u003cbr\u003e\u003cb\u003eMacnaught K74P-02 \u003cspan\u003eAutoSwitch™\u003c\/span\u003e Instruction Manual (\u003cspan\u003e \u003c\/span\u003e\u003c\/b\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0630\/5175\/9801\/files\/K74P-02_NPT__MAC_IM__20250606__KB__V1_D2.pdf?v=1790697360\" title=\"Instruction Manual\" rel=\"noopener\" target=\"_blank\"\u003e\u003cstrong\u003ePDF\u003c\/strong\u003e\u003c\/a\u003e\u003cb\u003e\u003cspan\u003e \u003c\/span\u003e)\u003c\/b\u003e\u003cb\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/b\u003e\u003c\/p\u003e","brand":"Macnaught","offers":[{"title":"Default Title","offer_id":67607264624825,"sku":"K74P-02","price":119.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0630\/5175\/9801\/files\/K74P-02_8ab1665f-8d90-40ba-b69a-c715377fb30e.jpg?v=1790698184","url":"https:\/\/www.macnaughtusa.com\/products\/macnaught-autoswitch%e2%84%a2-dual-piston-grease-gun-pn-k74p-02","provider":"Macnaught  USA","version":"1.0","type":"link"}