{"product_id":"kingtech-18hp-ride-on-mower-engine-550cc-4-stroke-vertical-shaft","title":"KingTech 18HP Ride-On Mower Engine 550cc 4-Stroke Vertical Shaft","description":"\u003cp\u003eWhen your ride-on mower's engine calls it a day, the KingTech 18HP Vertical Shaft Engine delivers a powerful, reliable replacement that fits straight into your existing setup. This 550cc 4-stroke OHV petrol motor produces serious torque for Australian conditions, handling thick buffalo and kikuyu grass without breaking a sweat. The vertical shaft design and universal bolt pattern mean it drops into most Briggs and Stratton or Honda mounting configurations with no modifications required. Electric start and transistorized magneto ignition ensure hassle-free starts every time, even after long periods in the shed.\u003c\/p\u003e\n\n\u003cp\u003eFiring up this engine feels like giving your mower a new heartbeat. The cast-iron cylinder bore and low-vibration balance work together to reduce wear on your mower's frame and drive belts, extending the life of your entire machine. The centrifugal mechanical governor keeps engine speed consistent under varying load conditions, so your cutting deck performs evenly whether you're trimming a lightly overgrown patch or tackling waist-high growth at the edge of your property.\u003c\/p\u003e\n\n\u003cp\u003eBuilt for the Australian backyard, this KingTech powerplant combines 18 horsepower of dependable performance with the durability to handle season after season of weekend mowing. The 1-inch output shaft with keyway provides a secure PTO connection, while the 8.7:1 compression ratio optimises power delivery without sacrificing fuel efficiency. Backed by solid engineering and a reputation for reliability, this engine is the straight-forward upgrade that just works -- no fuss, no drama.\u003c\/p\u003e\n\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e18 Horsepower output\u003c\/strong\u003e delivers strong, steady performance for ride-on mowers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e550 cc 4-stroke OHV engine\u003c\/strong\u003e for efficient combustion and low fuel burn.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVertical shaft design\u003c\/strong\u003e ideal for mower decks and garden tractors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectric start system\u003c\/strong\u003e with electronic ignition for quick, reliable starts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCast-iron cylinder bore\u003c\/strong\u003e adds durability and long engine life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1\" (25.4 mm) output shaft\u003c\/strong\u003e with keyway for secure PTO connection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e8.7:1 compression ratio\u003c\/strong\u003e for balanced power and smooth operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanical governor\u003c\/strong\u003e maintains consistent engine speed under load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTransistorized magneto ignition\u003c\/strong\u003e for clean, spark-steady performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniversal bolt pattern\u003c\/strong\u003e fits many Briggs and Stratton or Honda setups.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow-vibration balance\u003c\/strong\u003e reduces wear on mower frames and belts.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; height: 254.719px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 30.1954%; height: 19.5938px;\"\u003e\u003cstrong\u003eEngine type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.9475%; height: 19.5938px;\"\u003e4-stroke, single-cylinder OHV petrol engine\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 30.1954%; height: 19.5938px;\"\u003e\u003cstrong\u003eDisplacement\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.9475%; height: 19.5938px;\"\u003e550 cc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 30.1954%; height: 19.5938px;\"\u003e\u003cstrong\u003eBore x Stroke\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.9475%; height: 19.5938px;\"\u003e94.5 mm x 78 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 30.1954%; height: 19.5938px;\"\u003e\u003cstrong\u003eCompression ratio\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.9475%; height: 19.5938px;\"\u003e8.7 : 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 30.1954%; height: 19.5938px;\"\u003e\u003cstrong\u003eRated output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.9475%; height: 19.5938px;\"\u003e13.2 kW @ 3600 rpm (18 HP)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 30.1954%; height: 19.5938px;\"\u003e\u003cstrong\u003eMax torque\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.9475%; height: 19.5938px;\"\u003e39.5 Nm @ 2500 rpm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 30.1954%; height: 19.5938px;\"\u003e\u003cstrong\u003eShaft type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.9475%; height: 19.5938px;\"\u003eVertical, 25.4 mm (1\") keyway\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 30.1954%; height: 19.5938px;\"\u003e\u003cstrong\u003eRotation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.9475%; height: 19.5938px;\"\u003eCounter-clockwise (PTO view)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 30.1954%; height: 19.5938px;\"\u003e\u003cstrong\u003eStarting system\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.9475%; height: 19.5938px;\"\u003eElectric start\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 30.1954%; height: 19.5938px;\"\u003e\u003cstrong\u003eIgnition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.9475%; height: 19.5938px;\"\u003eTransistorized magneto\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 30.1954%; height: 19.5938px;\"\u003e\u003cstrong\u003eGovernor system\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.9475%; height: 19.5938px;\"\u003eCentrifugal mechanical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 30.1954%; height: 19.5938px;\"\u003e\u003cstrong\u003eOil capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.9475%; height: 19.5938px;\"\u003e1.5 L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 30.1954%; height: 19.5938px;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.9475%; height: 19.5938px;\"\u003e41 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003ePackage Content\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1 x KingTech 18HP Vertical Shaft Engine\u003c\/li\u003e\n\u003cli\u003e1 x Installation Bolt Details sheet\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Vortaz","offers":[{"title":"Default Title","offer_id":53366043672875,"sku":"V379-PTROLMTR55","price":868.99,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0896\/4852\/9707\/files\/V379-PTROLMTR55-202603171025-00.jpg?v=1777552926","url":"https:\/\/vortaz.com.au\/products\/kingtech-18hp-ride-on-mower-engine-550cc-4-stroke-vertical-shaft","provider":"Vortaz","version":"1.0","type":"link"}