{"product_id":"dosko-620-20he-stump-grinder-20-hp-honda-gx630-walk-behind-electric-start","title":"Dosko 620-20HE Stump Grinder — 20 HP Honda GX630, Walk-Behind, Electric Start","description":"\u003cp\u003eThe Dosko 620-20HE is a commercial walk-behind stump grinder built for crews that grind stumps every week, not every season. A 20 HP Honda GX630 electric-start engine drives a 14-inch cutter wheel through a direct belt drive, taking stumps down to 16 inches below grade and reaching 20 inches above it — enough for all but the largest removals, in a machine one operator can walk to the back yard.\u003c\/p\u003e\u003cp\u003eEverything the operator touches is set up for a long day. The handlebar adjusts through five positions so the machine can be run comfortably by a tall operator or a short one, and the unique side-discharge frame throws chips away from the cut instead of piling them under the wheel. An oil shutdown sensor protects the engine when the machine is worked on a slope or run low, and 1.375-inch diameter bearings carry the cutter shaft.\u003c\/p\u003e\u003cp\u003eIt ships standard with Greenteeth 700 Series teeth — the three-position indexable system with a concave dish edge that shears rather than shreds. When an edge dulls, you loosen, rotate 120 degrees and tighten, and the tooth is sharp again. Each tooth gives you three cutting edges before it needs replacing, which is why tree crews and rental yards keep coming back to this system.\u003c\/p\u003e\u003ch3\u003eKey Features \u0026amp; Benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHonda GX630 electric start\u003c\/strong\u003e – 688cc V-twin commercial engine, turn-key starting, no rope pulling at the tenth stump of the day\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGreenteeth 700 Series teeth (8)\u003c\/strong\u003e – concave dish cutting edge shears instead of shredding; rotate each tooth twice for a fresh edge before replacing it\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5-position handlebar\u003c\/strong\u003e – set the working height to the operator and the terrain rather than the other way round\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSide discharge frame\u003c\/strong\u003e – chips clear the cut instead of packing under the wheel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOil shutdown sensor\u003c\/strong\u003e – kills the engine before low oil turns into a rebuild\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect belt drive\u003c\/strong\u003e – 4-groove power band with idler bearing belt tensioners, no gearbox to service\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1.375 in. bearings\u003c\/strong\u003e – heavier cutter-shaft bearings than you find on homeowner-grade machines\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptional tow bar package\u003c\/strong\u003e – available separately if you need to tow between sites\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecifications\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eEquipment Type\u003c\/td\u003e\n\u003ctd\u003eStump Grinder (Walk-Behind)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEngine\u003c\/td\u003e\n\u003ctd\u003eHonda GX630, 688cc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStarter\u003c\/td\u003e\n\u003ctd\u003eElectric\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCutter Wheel\u003c\/td\u003e\n\u003ctd\u003e14 in. (356 mm) diameter x 3\/8 in. (9.5 mm) thick\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCutting Capacity\u003c\/td\u003e\n\u003ctd\u003e20 in. (508 mm) above grade, 16 in. (406 mm) below grade\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTeeth\u003c\/td\u003e\n\u003ctd\u003eGreenteeth™ 700 Series (8)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDrive\u003c\/td\u003e\n\u003ctd\u003eDirect belt drive; 4-groove power band with idler bearing belt tensioners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBearings\u003c\/td\u003e\n\u003ctd\u003e1.375 in. (35 mm) diameter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEngine Speed\u003c\/td\u003e\n\u003ctd\u003e2,500 RPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOil Alert\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTires\u003c\/td\u003e\n\u003ctd\u003e4.80\/4.00-8 in. with adjustable brake band\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDry Weight\u003c\/td\u003e\n\u003ctd\u003e400 lbs (181 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFuel Type\u003c\/td\u003e\n\u003ctd\u003eGasoline\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003e620-20HE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDosko 620-20HE stump grinder, assembled\u003c\/li\u003e\n\u003cli\u003eGreenteeth 700 Series teeth, installed (8)\u003c\/li\u003e\n\u003cli\u003eOperator's manual\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eBattery not included.\u003c\/strong\u003e Because of shipping restrictions on batteries, electric-start units are not supplied with one. Any standard U1 lawn-and-garden battery will start the machine.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTow bar package is optional\u003c\/strong\u003e and not included.\u003c\/p\u003e\u003ch3\u003eAdd To Your Machine\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e\n\u003ca href=\"\/collections\/dosko\"\u003eDosko stump grinders and replacement teeth\u003c\/a\u003e — a spare set of Greenteeth on the truck means a dull wheel never ends a job early. Ask us and we will quote teeth with the machine.\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003eOrdering accessories on the same order as the machine means one freight shipment and one freight charge instead of two.\u003c\/p\u003e\u003ch3\u003eOperation Video\u003c\/h3\u003e\u003cp\u003e\u003ciframe width=\"100%\" style=\"aspect-ratio:16\/9;max-width:900px\" src=\"https:\/\/www.youtube.com\/embed\/GEuyVG5mEXk\" title=\"Dosko Walk-Behind Stump Grinder — Setup\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen\u003e\u003c\/iframe\u003e\u003c\/p\u003e\u003cp\u003e\u003cem\u003eThis is Dosko's setup video for the walk-behind range and covers the 620-20HE along with the 337 series. The machine filmed is a 337 with the Honda GX390; the 620-20HE uses the same chassis, handlebar and Greenteeth wheel but carries the larger 688cc GX630 engine and grinds deeper.\u003c\/em\u003e\u003c\/p\u003e\u003ch3\u003eShipping\u003c\/h3\u003e\u003cp\u003eThis machine ships by LTL freight. Freight is quoted separately and confirmed with you in writing before anything is charged — we do not guess at freight costs.\u003c\/p\u003e","brand":"Dosko","offers":[{"title":"Default Title","offer_id":52624875061550,"sku":"620-20HE","price":7845.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0991\/1877\/6622\/files\/0289852_dosko-stump-grinder-20-hp-walk-behind-honda-gx630.jpg?v=1789079268","url":"https:\/\/www.fullforceequipment.com\/products\/dosko-620-20he-stump-grinder-20-hp-honda-gx630-walk-behind-electric-start","provider":"FullForce Equipment","version":"1.0","type":"link"}