{"product_id":"total-marine-gearbox-hc-300","title":"Total marine gearbox HC 300","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e\u003cstrong\u003eProduct Title:\u003c\/strong\u003e Total Marine SA1 Marine Gearbox – HC300, 4.61:1 Ratio, SAE 1 Housing\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e\u003cstrong\u003eDescription:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003eThe Total Marine SA1 is a heavy-duty marine reduction gearbox built for commercial and recreational vessels demanding reliable power transfer. Based on the proven Advance HC300 platform (TM Gippsland branding), this unit is engineered for continuous duty in tough marine environments.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e\u003cstrong\u003eKey Specifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"ltr\" class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3 print:block print:space-y-1\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e HC300 (Advance Gear Box)\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eReduction Ratio:\u003c\/strong\u003e 4.61:1\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eHousing:\u003c\/strong\u003e SAE 1\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eFlywheel:\u003c\/strong\u003e 14\"\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eRated Input Speed:\u003c\/strong\u003e 700–2500 rpm\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eShift Options:\u003c\/strong\u003e Available in Mechanical Shift or Electronic Shift (select at checkout)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e\u003cstrong\u003eWhat's Included:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"ltr\" class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3 print:block print:space-y-1\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e12-month factory warranty\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e6-month subscription to the 24\/7 Total Marine support hotline (with in-house install)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003eWhether you're repowering a workboat, fishing vessel, or tug, the SA1 delivers dependable performance backed by genuine factory support. Limited stock available — get in touch to confirm fitment for your application.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e\u003cem\u003eNote: SAE 1 housing and flywheel size should be matched to your engine's bell housing spec before ordering. Contact us if you need help confirming compatibility.\u003c\/em\u003e\u003c\/p\u003e","brand":"TOTAL MARINE TOOLING ","offers":[{"title":"Default Title","offer_id":49004879806618,"sku":null,"price":16500.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0687\/5067\/2026\/files\/hc300.webp?v=1786613613","url":"https:\/\/www.totalmarinetooling.com.au\/products\/total-marine-gearbox-hc-300","provider":"TOTAL MARINE TOOLING ","version":"1.0","type":"link"}