{"product_id":"18hp-vertical-shaft-lawn-mower-engine-petrol-motor-4-stroke-ohv-ride-on","title":"18HP Vertical Shaft Lawn Mower Engine Petrol Motor 4 Stroke OHV Ride On","description":"\u003cp\u003e18HP Vertical Shaft Lawn Mower Engine Petrol Motor 4 Stroke OHV Ride On \u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhen your mower’s heart gives out\u003c\/strong\u003e, drop in the \u003cstrong\u003eKingTech 18HP Vertical Shaft Engine\u003c\/strong\u003e and bring it back to life. This \u003cstrong\u003e550cc 4-stroke OHV petrol motor\u003c\/strong\u003e packs serious grunt with smooth, dependable power that gets the job done every time. Built for ride-on mowers, this motor slots in where most Briggs and Stratton or Honda mounts sit — \u003cstrong\u003eno fuss, just fit and fire\u003c\/strong\u003e. Designed for Aussie yards and conditions, it’s got the torque to cut thick grass and the reliability to run season after season. If you want a straight-talking upgrade that just works, \u003cstrong\u003eKingTech’s got your back\u003c\/strong\u003e.\u003c\/p\u003e \u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003e18 Horsepower output\u003c\/strong\u003e delivers strong, steady performance for ride-on mowers.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e550 cc 4-stroke OHV engine\u003c\/strong\u003e for efficient combustion and low fuel burn.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVertical shaft design\u003c\/strong\u003e ideal for mower decks and garden tractors.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eElectric start system\u003c\/strong\u003e with electronic ignition for quick, reliable starts.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCast-iron cylinder bore\u003c\/strong\u003e adds durability and long engine life.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e1” (25.4 mm) output shaft\u003c\/strong\u003e with keyway for secure PTO connection.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e8.7:1 compression ratio\u003c\/strong\u003e for balanced power and smooth operation.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMechanical governor\u003c\/strong\u003e maintains consistent engine speed under load.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eTransistorized magneto ignition\u003c\/strong\u003e for clean, spark-steady performance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eUniversal bolt pattern\u003c\/strong\u003e fits many Briggs and Stratton or Honda setups.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eLow-vibration balance\u003c\/strong\u003e reduces wear on mower frames and belts.\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/h3\u003e \u003ctable style=\"width: 100%; height: 254.719px;\"\u003e \u003ctbody\u003e \u003ctr style=\"height: 19.5938px;\"\u003e \u003ctd style=\"width: 30.1954%; height: 19.5938px;\"\u003e\u003cstrong\u003eEngine type\u003c\/strong\u003e\u003c\/td\u003e \u003ctd style=\"width: 66.9475%; height: 19.5938px;\"\u003e4-stroke, single-cylinder OHV petrol engine\u003c\/td\u003e \u003c\/tr\u003e \u003ctr style=\"height: 19.5938px;\"\u003e \u003ctd style=\"width: 30.1954%; height: 19.5938px;\"\u003e\u003cstrong\u003eDisplacement\u003c\/strong\u003e\u003c\/td\u003e \u003ctd style=\"width: 66.9475%; height: 19.5938px;\"\u003e550 cc\u003c\/td\u003e \u003c\/tr\u003e \u003ctr style=\"height: 19.5938px;\"\u003e \u003ctd style=\"width: 30.1954%; height: 19.5938px;\"\u003e\u003cstrong\u003eBore × Stroke\u003c\/strong\u003e\u003c\/td\u003e \u003ctd style=\"width: 66.9475%; height: 19.5938px;\"\u003e94.5 mm × 78 mm\u003c\/td\u003e \u003c\/tr\u003e \u003ctr style=\"height: 19.5938px;\"\u003e \u003ctd style=\"width: 30.1954%; height: 19.5938px;\"\u003e\u003cstrong\u003eCompression ratio\u003c\/strong\u003e\u003c\/td\u003e \u003ctd style=\"width: 66.9475%; height: 19.5938px;\"\u003e8.7 : 1\u003c\/td\u003e \u003c\/tr\u003e \u003ctr style=\"height: 19.5938px;\"\u003e \u003ctd style=\"width: 30.1954%; height: 19.5938px;\"\u003e\u003cstrong\u003eRated output\u003c\/strong\u003e\u003c\/td\u003e \u003ctd style=\"width: 66.9475%; height: 19.5938px;\"\u003e13.2 kW @ 3600 rpm (18 HP)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr style=\"height: 19.5938px;\"\u003e \u003ctd style=\"width: 30.1954%; height: 19.5938px;\"\u003e\u003cstrong\u003eMax torque\u003c\/strong\u003e\u003c\/td\u003e \u003ctd style=\"width: 66.9475%; height: 19.5938px;\"\u003e39.5 Nm @ 2500 rpm\u003c\/td\u003e \u003c\/tr\u003e \u003ctr style=\"height: 19.5938px;\"\u003e \u003ctd style=\"width: 30.1954%; height: 19.5938px;\"\u003e\u003cstrong\u003eShaft type\u003c\/strong\u003e\u003c\/td\u003e \u003ctd style=\"width: 66.9475%; height: 19.5938px;\"\u003eVertical, 25.4 mm (1”) keyway\u003c\/td\u003e \u003c\/tr\u003e \u003ctr style=\"height: 19.5938px;\"\u003e \u003ctd style=\"width: 30.1954%; height: 19.5938px;\"\u003e\u003cstrong\u003eRotation\u003c\/strong\u003e\u003c\/td\u003e \u003ctd style=\"width: 66.9475%; height: 19.5938px;\"\u003eCounter-clockwise (PTO view)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr style=\"height: 19.5938px;\"\u003e \u003ctd style=\"width: 30.1954%; height: 19.5938px;\"\u003e\u003cstrong\u003eStarting system\u003c\/strong\u003e\u003c\/td\u003e \u003ctd style=\"width: 66.9475%; height: 19.5938px;\"\u003eElectric start\u003c\/td\u003e \u003c\/tr\u003e \u003ctr style=\"height: 19.5938px;\"\u003e \u003ctd style=\"width: 30.1954%; height: 19.5938px;\"\u003e\u003cstrong\u003eIgnition\u003c\/strong\u003e\u003c\/td\u003e \u003ctd style=\"width: 66.9475%; height: 19.5938px;\"\u003eTransistorized magneto\u003c\/td\u003e \u003c\/tr\u003e \u003ctr style=\"height: 19.5938px;\"\u003e \u003ctd style=\"width: 30.1954%; height: 19.5938px;\"\u003e\u003cstrong\u003eGovernor system\u003c\/strong\u003e\u003c\/td\u003e \u003ctd style=\"width: 66.9475%; height: 19.5938px;\"\u003eCentrifugal mechanical\u003c\/td\u003e \u003c\/tr\u003e \u003ctr style=\"height: 19.5938px;\"\u003e \u003ctd style=\"width: 30.1954%; height: 19.5938px;\"\u003e\u003cstrong\u003eOil capacity\u003c\/strong\u003e\u003c\/td\u003e \u003ctd style=\"width: 66.9475%; height: 19.5938px;\"\u003e1.5 L\u003c\/td\u003e \u003c\/tr\u003e \u003ctr style=\"height: 19.5938px;\"\u003e \u003ctd style=\"width: 30.1954%; height: 19.5938px;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e \u003ctd style=\"width: 66.9475%; height: 19.5938px;\"\u003e41 kg\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003cp data-end=\"2915\" data-start=\"2882\"\u003e\u003cstrong data-end=\"2913\" data-start=\"2882\"\u003eInstallation  Bolt Details\u003cbr\u003e\u003c\/strong\u003e• Mounting interface includes \u003cstrong data-end=\"3006\" data-start=\"2946\"\u003e3 through holes of Ø 8.8 mm and 1 blind hole of Ø 8.8 mm\u003c\/strong\u003e for secure attachment.\u003cbr\u003e\u003cstrong data-end=\"3083\" data-start=\"3034\"\u003e• \u003c\/strong\u003eBolts for the solenoid valve are not required for installation.\u003c\/p\u003e \u003cp\u003eFor returns due to change of mind, a 20% restocking fee will be applied.\u003c\/p\u003e","brand":"King Tech","offers":[{"title":"Default Title","offer_id":42218276192331,"sku":"DSZ-V379-PTROLMTR55","price":1297.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0596\/3802\/2219\/files\/V379-PTROLMTR55-202603171025-00.jpg?v=1773849932","url":"https:\/\/oztechnologies.com.au\/products\/18hp-vertical-shaft-lawn-mower-engine-petrol-motor-4-stroke-ohv-ride-on","provider":"Oz Technologies Group","version":"1.0","type":"link"}