{"id":19403,"date":"2026-09-02T11:50:32","date_gmt":"2026-09-02T08:50:32","guid":{"rendered":"https:\/\/jak.fi\/?post_type=product&#038;p=19403"},"modified":"2026-09-22T11:25:34","modified_gmt":"2026-09-22T08:25:34","slug":"jak-400s-grapple-saw-for-8-12-tonne-excavators","status":"publish","type":"product","link":"https:\/\/jak.fi\/en\/products\/tree-shears-for-excavators\/jak-400s-grapple-saw-for-8-12-tonne-excavators\/","title":{"rendered":"JAK-400S Grapple saw for 8\u201312 tonne excavators"},"content":{"rendered":"<h2>Felling and cutting with an excavator<\/h2>\n<p>The JAK-400S is a grapple saw for 8\u201312 tonne excavators, designed for felling, cutting and handling trees. Its hydraulic chainsaw cuts timber up to 400 mm in diameter. Typical applications include roadside clearing, tree removal in gardens and urban areas, and cutting felled timber into shorter lengths on the ground.<\/p>\n<p>The standard 360\u00b0 hydraulic rotation system makes it easier to position the grapple for cutting. Three-finger gripping jaws provide a secure grip on the tree, while the felling support helps guide it during felling.<\/p>\n<p>Electro-hydraulic control allows all functions to operate through one double-acting hydraulic circuit. Chain lubrication is automatic, and chain tensioning is manual.<\/p>\n<p>The JAK-400S is manufactured in Finland at JAK\u2019s own factory using SSAB steels, including Hardox\u00ae wear-resistant steel.<\/p>\n<p><strong>Mountings<\/strong><\/p>\n<p>Available with common excavator mounting brackets or a mounting adapted to the customer\u2019s carrier machine.<\/p>\n","protected":false},"excerpt":{"rendered":"<ul>\n<li>Electro-hydraulic control through one double-acting hydraulic circuit<\/li>\n<li>360\u00b0 hydraulic rotation system as standard<\/li>\n<li>Three-finger gripping jaws and felling support as standard<\/li>\n<li>Automatic chain lubrication and manual chain tensioning<\/li>\n<li>Built using Hardox\u00ae wear-resistant steel<\/li>\n<li>Made in Finland at our own factory<\/li>\n<\/ul>\n","protected":false},"featured_media":20073,"template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[664,342],"product_tag":[],"class_list":["post-19403","product","type-product","status-publish","has-post-thumbnail","product_cat-grapple-saws","product_cat-tree-shears-for-excavators","first","instock","shipping-taxable","product-type-simple"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>JAK-400S Grapple saw for 8\u201312 tonne excavators &#8211; JAK-Metalli Oy<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/jak.fi\/en\/products\/tree-shears-for-excavators\/jak-400s-grapple-saw-for-8-12-tonne-excavators\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"JAK-400S Grapple saw for 8\u201312 tonne excavators &#8211; JAK-Metalli Oy\" \/>\n<meta property=\"og:description\" content=\"Electro-hydraulic control through one double-acting hydraulic circuit  360\u00b0 hydraulic rotation system as standard  Three-finger gripping jaws and felling support as standard  Automatic chain lubrication and manual chain tensioning  Built using Hardox\u00ae wear-resistant steel  Made in Finland at our own factory\" \/>\n<meta property=\"og:url\" content=\"https:\/\/jak.fi\/en\/products\/tree-shears-for-excavators\/jak-400s-grapple-saw-for-8-12-tonne-excavators\/\" \/>\n<meta property=\"og:site_name\" content=\"JAK-Metalli Oy\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/jaktreeshears\" \/>\n<meta property=\"article:modified_time\" content=\"2026-09-22T08:25:34+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/jak.fi\/wp-content\/uploads\/2026\/09\/JAK-400S-Saw-Grapple-1.png\" \/>\n\t<meta property=\"og:image:width\" content=\"800\" \/>\n\t<meta property=\"og:image:height\" content=\"618\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/jak.fi\\\/en\\\/products\\\/tree-shears-for-excavators\\\/jak-400s-grapple-saw-for-8-12-tonne-excavators\\\/\",\"url\":\"https:\\\/\\\/jak.fi\\\/en\\\/products\\\/tree-shears-for-excavators\\\/jak-400s-grapple-saw-for-8-12-tonne-excavators\\\/\",\"name\":\"JAK-400S Grapple saw for 8\u201312 tonne excavators &#8211; 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