{"product_id":"husqvarna-550-xp-mark-ii-petrol-chainsaw-18","title":"Husqvarna 550 XP Mark II Petrol Chainsaw 18″","description":"\u003ch2\u003eDescription\u003c\/h2\u003e\n\u003ch2\u003e\u003cstrong\u003eHusqvarna 550 XP® Mark II – Professional 50cc Chainsaw for Forestry \u0026amp; Tree Care\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch2\u003e\u003cstrong\u003eOverview\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eHusqvarna 550 XP® Mark II\u003c\/strong\u003e is a \u003cstrong\u003ehigh-performance 50cc professional chainsaw\u003c\/strong\u003e engineered for forestry, arborists, and tree-care specialists who demand exceptional power, precision, and reliability. Designed for \u003cstrong\u003efelling, limbing, and bucking small to mid-sized trees\u003c\/strong\u003e, this \u003cstrong\u003eprofessional-grade chainsaw\u003c\/strong\u003e delivers class-leading cutting capacity, advanced engine technology, and outstanding durability for tough, all-day workloads.\u003c\/p\u003e\n\u003cp\u003eFeaturing Husqvarna’s renowned \u003cstrong\u003eAutoTune™, X-Torq®, LowVib®, and Air Injection™\u003c\/strong\u003e systems, the 550 XP® Mark II is optimised for maximum productivity and long-term performance—making it one of the \u003cstrong\u003ebest 50cc chainsaws\u003c\/strong\u003e available today.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cstrong\u003eKey Features \u0026amp; Benefits\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cstrong\u003eAdvanced Cooling System for Longer Engine Life\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe optimised cooling design ensures dependable operation in demanding conditions, protecting the engine during continuous, high-RPM professional use.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eHigh-Visibility, Long-Lasting Felling Sight\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eBuilt to outlast the saw itself, the durable felling sight supports \u003cstrong\u003eprecision cutting\u003c\/strong\u003e, improving accuracy for professional tree felling.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eRetained Bar Nuts\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003ePrevents bar nuts from loosening or disappearing during maintenance—ideal for forestry and field environments.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eLowVib® Anti-Vibration Technology\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eSpecially designed dampeners significantly reduce vibration, minimising fatigue and protecting arms and hands during long working hours.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eSlim, Ergonomic Chainsaw Body\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eA streamlined, slender design enhances balance and control, making the saw easier to handle during limbing, bucking, or working in tight spaces.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eAir Injection™ – Extended Filter Life\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe centrifugal air-cleaning system removes debris before it reaches the filter, resulting in reduced wear and longer operating time between air filter cleanings.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eFlip-Up Tank Caps\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eSecure, easy-to-open tank caps ensure quick refuelling—even with winter gloves—making this an excellent chainsaw for all-season work.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eQuick-Release Air Filter\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eFast access to the air filter enables quick cleaning and minimal downtime on job sites.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eDurable Magnesium Crankcase\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eBuilt to withstand high RPMs, heavy loads, and tough professional use—ensuring long-term durability.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eRetained Starter Screws\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003ePrevents loss of starter screws during servicing.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eSnap-Lock Cylinder Cover\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eAllows fast, tool-free access to the spark plug and internal components.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eAutoTune™ Automatic Engine Setting\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eProvides optimal engine performance by adjusting automatically to fuel quality, temperature, altitude, humidity, and air-filter condition—no carburettor tuning required.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eX-Torq® Engine Technology\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eReduces fuel consumption and emissions while maintaining high torque and excellent cutting performance. Compliant with global environmental standards.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eVisible Fuel Level\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eTransparent fuel indicator makes monitoring fuel quick and easy.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eForged Three-Piece Crankshaft\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eDesigned for maximum strength and durability in even the most extreme cutting conditions.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eSide-Mounted Chain Tensioner\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eAllows fast, simple chain adjustments for improved efficiency in the field.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eAdjustable Oil Pump\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eCustomise chain lubrication to suit weather, wood type, and cutting conditions.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cstrong\u003eIdeal Applications\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eProfessional forestry and logging\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eArborist and tree-care work\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFelling, limbing \u0026amp; bucking small to mid-sized trees\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHeavy-duty, all-day commercial use\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eUsers seeking a \u003cstrong\u003edurable, low-emission, high-performance 50cc chainsaw\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cstrong\u003eWhy Choose the Husqvarna 550 XP® Mark II?\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThis model outperforms many competitors—including similar models in the \u003cstrong\u003eHusqvarna vs Stihl 50cc chainsaw\u003c\/strong\u003e category—thanks to its combination of \u003cstrong\u003eAutoTune™ performance\u003c\/strong\u003e, \u003cstrong\u003eLowVib® comfort\u003c\/strong\u003e, \u003cstrong\u003eX-Torq® efficiency\u003c\/strong\u003e, and \u003cstrong\u003elegendary Husqvarna durability\u003c\/strong\u003e. Whether you’re comparing \u003cstrong\u003eHusqvarna 550 XP Mark II vs 545\u003c\/strong\u003e or searching for the \u003cstrong\u003ebest professional chainsaws of 2025\u003c\/strong\u003e, this model consistently ranks among top choices.\u003c\/p\u003e\n\u003cdiv class=\"woocommerce-Tabs-panel woocommerce-Tabs-panel--product-specifications-tab panel entry-content wc-tab\" id=\"tab-product-specifications-tab\" role=\"tabpanel\"\u003e\n\u003ctable width=\"557\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"323\"\u003e\u003cstrong\u003eCapacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd width=\"234\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"323\"\u003eChain speed at 133% of maximum engine power speed\u003c\/td\u003e\n\u003ctd\u003e26.1 m\/s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"323\"\u003eClutch engagement speed (±120)\u003c\/td\u003e\n\u003ctd\u003e3900 rpm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"323\"\u003eClutch engagement upper limit\u003c\/td\u003e\n\u003ctd\u003e6000 rpm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"323\"\u003eIdling speed\u003c\/td\u003e\n\u003ctd\u003e2800 rpm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"323\"\u003eIdling upper limit\u003c\/td\u003e\n\u003ctd\u003e3900 rpm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"323\"\u003eIgnition module air gap\u003c\/td\u003e\n\u003ctd\u003e0.3 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"323\"\u003eMaximum power speed\u003c\/td\u003e\n\u003ctd\u003e10200 rpm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"323\"\u003ePower output\u003c\/td\u003e\n\u003ctd\u003e3.0 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"323\"\u003eRacing speed lower limit\u003c\/td\u003e\n\u003ctd\u003e13000 rpm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"323\"\u003eTorque, max.\u003c\/td\u003e\n\u003ctd\u003e3.15 Nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"323\"\u003eTorque, max. at rpm\u003c\/td\u003e\n\u003ctd\u003e7800 rpm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"323\"\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"323\"\u003e\u003cstrong\u003eCertifications\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"323\"\u003eCert machine dir. 2006\/42\/EC Decl. No.\u003c\/td\u003e\n\u003ctd\u003e0404\/18\/2514\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"323\"\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"323\"\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"323\"\u003eArticle gross weight\u003c\/td\u003e\n\u003ctd\u003e7806 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"323\"\u003eArticle net weight\u003c\/td\u003e\n\u003ctd\u003e7232 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"323\"\u003eBar length (inch)\u003c\/td\u003e\n\u003ctd\u003e18 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"323\"\u003eBar length\u003c\/td\u003e\n\u003ctd\u003e450 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"323\"\u003eProduct Size, LxWxH\u003c\/td\u003e\n\u003ctd\u003e44x22x28 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"323\"\u003eRecommended bar length, min-max\u003c\/td\u003e\n\u003ctd\u003e13-20 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"323\"\u003eWeight (excl. cutting equipment)\u003c\/td\u003e\n\u003ctd\u003e5.3 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"323\"\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"323\"\u003e\u003cstrong\u003eEngine\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"323\"\u003eCylinder bore\u003c\/td\u003e\n\u003ctd\u003e43 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"323\"\u003eCylinder displacement\u003c\/td\u003e\n\u003ctd\u003e50.1 cm³\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"323\"\u003eCylinder stroke\u003c\/td\u003e\n\u003ctd\u003e34.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"323\"\u003eElectrode gap\u003c\/td\u003e\n\u003ctd\u003e0.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"323\"\u003eEngine Family EPA\u003c\/td\u003e\n\u003ctd\u003eMHVXS.0505AJ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"323\"\u003eIgnition module air gap\u003c\/td\u003e\n\u003ctd\u003e0.3 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"323\"\u003eSpark plug\u003c\/td\u003e\n\u003ctd\u003eNGK CMR6H\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"323\"\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"323\"\u003e\u003cstrong\u003eEquipment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"323\"\u003eBar mount type\u003c\/td\u003e\n\u003ctd\u003eSmall\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"323\"\u003eChain type\u003c\/td\u003e\n\u003ctd\u003eH25\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"323\"\u003eChainsaw sub-group\u003c\/td\u003e\n\u003ctd\u003eFull time professional use chainsaws\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"323\"\u003eHandle type\u003c\/td\u003e\n\u003ctd\u003eStandard\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"323\"\u003ePitch\u003c\/td\u003e\n\u003ctd\u003e.325″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"323\"\u003eSprocket type\u003c\/td\u003e\n\u003ctd\u003eRim 7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"323\"\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"323\"\u003e\u003cstrong\u003eLubricant\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"323\"\u003eFuel consumption\u003c\/td\u003e\n\u003ctd\u003e432 g\/kWh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"323\"\u003eFuel consumption\u003c\/td\u003e\n\u003ctd\u003e1.3 kg\/h\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"323\"\u003eFuel tank volume\u003c\/td\u003e\n\u003ctd\u003e0.53 l\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"323\"\u003eLubricant type\u003c\/td\u003e\n\u003ctd\u003eHusqvarna 2 stroke or equiv. at 50:1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"323\"\u003eOil pump type\u003c\/td\u003e\n\u003ctd\u003eAdjustable flow, no flow at idle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"323\"\u003eOil tank volume\u003c\/td\u003e\n\u003ctd\u003e0.32 l\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"323\"\u003ePower\/fuel type\u003c\/td\u003e\n\u003ctd\u003eGasoline\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e","brand":"vivatti","offers":[{"title":"Default Title","offer_id":58553667191158,"sku":"SN-967690818","price":546.9,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1007\/0461\/6822\/files\/4fbc52bfb00c3a5a083bd9926494ba0e.png?v=1787864541","url":"https:\/\/vivatti.uk\/products\/husqvarna-550-xp-mark-ii-petrol-chainsaw-18","provider":"Vivatti","version":"1.0","type":"link"}