{"product_id":"canpump-cf-3647-g-triplex-pressure-washer-pump-3600-psi-4-7-gpm-1-gas-shaft-horizontal-replacement-with-external-unloader","title":"CANPUMP CF 3647 G Triplex Pressure Washer Pump — 3600 PSI, 4.7 GPM, 1\" Gas Shaft Horizontal Replacement with External Unloader","description":"\u003cp\u003e\u003cstrong\u003eCANPUMP CF 3647 G is a commercial-grade triplex pressure-washer pump delivering up to 3600 psi and 4.7 US gpm with an easy-to-service external unloader.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis horizontal, direct-drive replacement pump fits most 13 hp (390cc class) gasoline engines with a 1\" shaft and SAE J609-A mounting. Built with ceramic-coated plungers, forged brass head, and German seals, it’s designed for heavy residential and light commercial cleaning—shipped prefilled with SAE 15W-40 oil and ready to install.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this pump handle tough cleaning jobs?\u003c\/h3\u003e\n\u003cp\u003eThe CF 3647 G uses a triplex plunger design that generates steady, high-pressure output and improved longevity compared with single- or axial-style pumps. It sustains performance across repeated cycles and harsher conditions while protecting internal components from wear.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMax pressure 3600 psi and max flow 4.7 US gpm for heavy-duty tasks\u003c\/li\u003e\n  \u003cli\u003eCeramic-coated stainless plungers resist abrasion and prolong life\u003c\/li\u003e\n  \u003cli\u003eForged brass head and anodized aluminum crankcase for corrosion resistance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat engines and mounts is the CF 3647 G compatible with?\u003c\/h3\u003e\n\u003cp\u003eThis pump uses the standard SAE J609-A mounting flange and a 1\" gas shaft, making it a direct replacement for many 13 hp (390cc-class) engines. It’s a common swap for popular small-engine brands and many commercial pressure-washer frames.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFits Honda GX390\/GX340, Briggs \u0026amp; Stratton, Generac and similar engines\u003c\/li\u003e\n  \u003cli\u003eDirect-drive horizontal-shaft design with 1\" diameter shaft\u003c\/li\u003e\n  \u003cli\u003eIdeal for upgrading or restoring older commercial-grade units\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do the external unloader and maintenance features help me?\u003c\/h3\u003e\n\u003cp\u003eThe detachable external unloader allows simple pressure adjustment, includes a detergent injector, and has a built-in water filter for everyday convenience. Maintenance is quicker thanks to the sight glass oil indicator and included spare O-rings and parts list.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePressure-adjustable external unloader with 3\/8\" quick-connect outlet\u003c\/li\u003e\n  \u003cli\u003eDetergent tube with strainer included for cleaning flexibility\u003c\/li\u003e\n  \u003cli\u003eSight glass oil window eliminates dipstick checks and reduces mess\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the installation and operating limits I should know?\u003c\/h3\u003e\n\u003cp\u003eCANPUMP ships the CF 3647 G prefilled with SAE 15W-40 oil and includes installation parts to speed setup. Observe the pump’s inlet\/outlet sizes and temperature limits to ensure safe, reliable operation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePump inlet 1\/2\" NPT-F and outlet 3\/8\" NPT-F; unloader inlet accepts 3\/4\" garden hose\u003c\/li\u003e\n  \u003cli\u003eMax RPM 3400 and max inlet temperature 122°F; water inlet pressure 0–50 psi\u003c\/li\u003e\n  \u003cli\u003eSupplied with extra O-rings, detergent tube, and operating manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The CANPUMP CF 3647 G suits professionals and dedicated homeowners who need a durable replacement or upgrade for a gasoline-powered pressure washer. Choose this pump if you require commercial-style performance, easier maintenance with an external unloader and sight glass, and broad engine compatibility for restoring or enhancing 13 hp (390cc-class) direct-drive machines.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will this pump fit my Honda GX390 engine?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — it uses the SAE J609-A flange and 1\" shaft common to GX390-class engines, making it a direct-fit replacement in most cases.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does the pump come assembled and filled with oil?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — CF 3647 G ships prefilled with SAE 15W-40 oil and includes installation parts and a manual for faster setup.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"CANPUMP","offers":[{"title":"Default Title","offer_id":56806070976852,"sku":"B071SG5QNY","price":368.91,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1063\/2652\/4244\/files\/canpump-cf3647g-front-view.jpg?v=1786812758","url":"https:\/\/gardenluxe.co.uk\/products\/canpump-cf-3647-g-triplex-pressure-washer-pump-3600-psi-4-7-gpm-1-gas-shaft-horizontal-replacement-with-external-unloader","provider":"Gardenluxe Uk","version":"1.0","type":"link"}