{"product_id":"sg13k-13-hp-kohler-stump-grinder","title":"SG13K 13 HP Kohler Stump Grinder","description":"\u003ch2\u003eCompact Commercial Stump Grinder with Kohler Power\u003c\/h2\u003e\n\u003cp\u003eThe BlueBird SG13K uses the same compact commercial SG13 chassis with a Kohler engine configuration. A 14-inch cutting wheel, narrow 27-inch width and adjustable operator handle make it well suited to rental fleets, landscapers, tree-care crews and property maintenance where access and portability matter.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine:\u003c\/strong\u003e Kohler CH440\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower:\u003c\/strong\u003e 13 HP class\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCutter wheel:\u003c\/strong\u003e 14 in.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCut depth:\u003c\/strong\u003e Variable, up to 12 in. below grade\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e Welded 7-gauge steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrive:\u003c\/strong\u003e Double V-belt\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClutch:\u003c\/strong\u003e Noram centrifugal clutch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMachine width:\u003c\/strong\u003e 27 in.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 345 lb\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHandle:\u003c\/strong\u003e Adjustable to four operating positions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhy the SG13K Stands Out\u003c\/h2\u003e\n\u003cp\u003eThe SG13K is designed to combine commercial cutting capability with a compact footprint. The chassis can move through narrow access points, while the adjustable handle and clean sight lines help operators control the cutting wheel across the stump.\u003c\/p\u003e\n\u003ch2\u003eTechnical Documents\u003c\/h2\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/bluebirdturf.com\/media\/SG1314B-966042801-stumpgrinders-operators-manual.pdf\" target=\"_blank\" rel=\"noopener\"\u003eDownload Operator's Manual\u003c\/a\u003e\u003cbr\u003e\n\u003ca href=\"https:\/\/bluebirdturf.com\/media\/SG1314B-966042801-stumpgrinders-parts-manual.pdf\" target=\"_blank\" rel=\"noopener\"\u003eDownload Parts Manual\u003c\/a\u003e\u003cbr\u003e\n\u003ca href=\"https:\/\/bluebirdturf.com\/media\/bluebird-stumpgrinder-sg1314b-safety.pdf\" target=\"_blank\" rel=\"noopener\"\u003eDownload Safety Instructions\u003c\/a\u003e\u003c\/p\u003e\n\u003ch2\u003eWarranty \u0026amp; Support\u003c\/h2\u003e\n\u003cp\u003eBlueBird maintains dealer support, manuals and parts documentation for the SG13 platform. BlueBird currently lists a 3-year engine warranty for Kohler-powered units; final coverage depends on the manufacturer’s current warranty policy, registration and use classification.\u003c\/p\u003e\n\u003ch2\u003eFAQs\u003c\/h2\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat is the difference between the SG13H and SG13K?\u003c\/summary\u003e\u003cp\u003eThe primary difference is engine configuration: SG13H uses Honda GX390 power, while SG13K uses a Kohler engine on the same SG13 platform.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eHow wide is the SG13K?\u003c\/summary\u003e\u003cp\u003eBlueBird lists the product width at approximately 27 inches.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eHow deep can it grind?\u003c\/summary\u003e\u003cp\u003eThe cutting depth is variable up to 12 inches below grade.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat size is the cutting wheel?\u003c\/summary\u003e\u003cp\u003eThe SG13 platform uses a 14-inch cutter wheel.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eIs the unit designed for commercial use?\u003c\/summary\u003e\u003cp\u003eBlueBird positions the SG13 platform for contractors, rental, residential and commercial applications.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eHow much does it weigh?\u003c\/summary\u003e\u003cp\u003eApproximately 345 lb, excluding fuel or water containers.\u003c\/p\u003e\u003c\/details\u003e","brand":"BlueBird","offers":[{"title":"Default Title","offer_id":67646948376849,"sku":"SG13K","price":5729.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0983\/3467\/1121\/files\/bluebird-sg13-main.jpg?v=1791209235","url":"https:\/\/americantimberequipment.com\/products\/sg13k-13-hp-kohler-stump-grinder","provider":"American Timber Equipment","version":"1.0","type":"link"}