{"id":4802,"date":"2021-04-09T09:11:12","date_gmt":"2021-04-09T07:11:12","guid":{"rendered":"https:\/\/spmaskiner.com\/harvester-heads\/harvester-heads-lf\/harvester-head-sp-661-lf\/sp-661-lf-technical-data\/"},"modified":"2025-11-28T10:04:37","modified_gmt":"2025-11-28T09:04:37","slug":"sp-661-lf-technical-data","status":"publish","type":"page","link":"https:\/\/spmaskiner.com\/en\/harvester-heads\/harvester-heads-lf\/harvester-head-sp-661-lf\/sp-661-lf-technical-data\/","title":{"rendered":"Technical data"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"4802\" class=\"elementor elementor-4802 elementor-2794\" data-elementor-post-type=\"page\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-57b8d95 elementor-section-height-min-height elementor-section-items-top elementor-section-boxed elementor-section-height-default\" data-id=\"57b8d95\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-6a511eee\" data-id=\"6a511eee\" data-element_type=\"column\" data-e-type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-52c71bb0 elementor-widget__width-auto elementor-widget elementor-widget-heading\" data-id=\"52c71bb0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">SP 661 LF<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div 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menu-item-type-post_type menu-item-object-page menu-item-4821\"><a href=\"https:\/\/spmaskiner.com\/en\/harvester-heads\/harvester-heads-lf\/harvester-head-sp-661-lf\/sp-661-lf-control-and-measurement-systems\/\" class=\"elementor-item menu-link\" tabindex=\"-1\">Control- and measurement systems<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-4822\"><a href=\"https:\/\/spmaskiner.com\/en\/harvester-heads\/harvester-heads-lf\/harvester-head-sp-661-lf\/sp-661-lf-accessories-and-equipment\/\" class=\"elementor-item menu-link\" tabindex=\"-1\">Accessories and Equipment<\/a><\/li>\n<\/ul>\t\t\t<\/nav>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-5192a99e elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"5192a99e\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-511b7df5\" data-id=\"511b7df5\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-2d36d1ca elementor-widget elementor-widget-heading\" data-id=\"2d36d1ca\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">Harvester head SP 661 LF - Technical data<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-665dd063 elementor-widget elementor-widget-text-editor\" data-id=\"665dd063\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Learn more about the technology behind our various harvester heads. Here you will find everything from information about cutting and delimbing to weights and dimensions.<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1b801d0 tech-data elementor-widget elementor-widget-text-editor\" data-id=\"1b801d0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"col-md-12\">\r\n<div class=\"\">\r\n<h4>Hydraulics<\/h4>\r\n<table class=\"table table-condensed\">\r\n<thead><\/thead>\r\n<tbody>\r\n<tr>\r\n<td><\/td>\r\n<td><strong>Metric<\/strong><\/td>\r\n<td><strong>US<\/strong><\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr class=\"table-color\">\r\n<td width=\"30%\">Min. pump capacity:<\/td>\r\n<td width=\"30%\">200 l\/min<\/td>\r\n<td width=\"40%\">52 gpm<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Rec. working pressure:<\/td>\r\n<td>26-30 MPa<\/td>\r\n<td>3770-4350 psi<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<\/div><br><div class=\"\">\r\n<h4>Feeding<\/h4>\r\n<table class=\"table table-condensed\">\r\n<thead><\/thead>\r\n<tbody>\r\n<tr>\r\n<td colspan=\"4\">Proportional clamping pressure of the feed rollers in relation to trunk diameter, individual settings for different species for optimum performance.<\/td>\r\n<\/tr>\r\n<tr class=\"table-color\">\r\n<td width=\"30%\">Roller motors:<\/td>\r\n<td width=\"30%\">750, 820 cc<\/td>\r\n<td width=\"40%\">45.8, 50.0 cui<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td width=\"30%\">Multi-speed feed:<\/td>\r\n<td width=\"30%\">613-920 cc<\/td>\r\n<td width=\"40%\">37.4 &#8211; 56.1 cui<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Max. opening:<\/td>\r\n<td>630 mm<\/td>\r\n<td>24.8\u201d<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr class=\"table-color\">\r\n<td>Feed speed:<\/td>\r\n<td>4,7-7 m\/s *<\/td>\r\n<td>15-22 ft\/s *<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Feeding force:<\/td>\r\n<td>38 kN<\/td>\r\n<td>8543 lbf<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr class=\"table-color\">\r\n<td>Proportional pressure::<\/td>\r\n<td>Yes<\/td>\r\n<td>Yes<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n* Depending on feed motor choice\r\n\r\n<\/div><br><div class=\"\">\r\n<h4>Cutting<\/h4>\r\n<table class=\"table table-condensed\">\r\n<thead><\/thead>\r\n<tbody>\r\n<tr>\r\n<td colspan=\"4\">The SuperCut 150 is a very powerful saw unit with integrated chain lubrication and hydraulic tensioning of the chain. Together with SP\u2019s QuickCut, this optimises cutting time and minimizes the risk of cutting cracks.<\/td>\r\n<\/tr>\r\n<tr class=\"table-color\">\r\n<td width=\"30%\">Cutting diameter standard:<\/td>\r\n<td width=\"30%\">700 mm<\/td>\r\n<td width=\"40%\">27.6\u201d<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Cutting diameter option EC saw box:<\/td>\r\n<td>810 mm<\/td>\r\n<td>32\u201d<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr class=\"table-color\">\r\n<td>Chain speed:<\/td>\r\n<td>40 m\/s<\/td>\r\n<td>131 ft\/s<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Saw motor:<\/td>\r\n<td>32 cc<\/td>\r\n<td>1.9 cui<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr class=\"table-color\">\r\n<td>Saw unit:<\/td>\r\n<td>SuperCut 150<\/td>\r\n<td>SuperCut 150<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>QuickCut:<\/td>\r\n<td>Yes<\/td>\r\n<td>Yes<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<\/div><br><div class=\"\">\r\n<h4>Topping saw (option)<\/h4>\r\n<table class=\"table table-condensed\">\r\n<thead><\/thead>\r\n<tbody>\r\n<tr>\r\n<td colspan=\"4\"><\/td>\r\n<\/tr>\r\n<tr class=\"table-color\">\r\n<td width=\"30%\">Cutting diameter:<\/td>\r\n<td width=\"30%\">350 mm<\/td>\r\n<td width=\"40%\">13.8\u201d<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Chain speed:<\/td>\r\n<td>40 m\/s<\/td>\r\n<td>131 ft\/s<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr class=\"table-color\">\r\n<td>Saw motor:<\/td>\r\n<td>20 cc<\/td>\r\n<td>1.22 cui<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<\/div><br><div class=\"\">\r\n<h4>Delimbing<\/h4>\r\n<table class=\"table table-condensed\">\r\n<thead><\/thead>\r\n<tbody>\r\n<tr>\r\n<td colspan=\"4\">Delimbing knives with proportional pressure. Individual settings for different species for optimum performance.<\/td>\r\n<\/tr>\r\n<tr class=\"table-color\">\r\n<td width=\"30%\">Movable knives:<\/td>\r\n<td width=\"30%\">4<\/td>\r\n<td width=\"40%\">4<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Fixed knives:<\/td>\r\n<td>1<\/td>\r\n<td>1<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr class=\"table-color\">\r\n<td>Delimbing diameter tip to tip:<\/td>\r\n<td>510 mm<\/td>\r\n<td>20\u201d<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Minimum delimbing diameter:<\/td>\r\n<td>30 mm<\/td>\r\n<td>1.18\u201d<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr class=\"table-color\">\r\n<td>Proportional pressure<\/td>\r\n<td>Yes<\/td>\r\n<td>Yes<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>LogHold:<\/td>\r\n<td>Yes<\/td>\r\n<td>Yes<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<\/div><br><div class=\"\">\r\n<h4>Weight and dimensions<\/h4>\r\n<table class=\"table table-condensed\">\r\n<thead><\/thead>\r\n<tbody>\r\n<tr>\r\n<td colspan=\"4\">Despite its capacity to handle large diameter trees the SP 661 LF is, thanks to its compact measurements, also capable to efficiently harvest small tree sizes.<\/td>\r\n<\/tr>\r\n<tr class=\"table-color\">\r\n<td width=\"30%\">Width closed:<\/td>\r\n<td width=\"30%\">1360 mm<\/td>\r\n<td width=\"40%\">53.5\u201d<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Width open:<\/td>\r\n<td>1820 mm<\/td>\r\n<td>71.6\u201d<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr class=\"table-color\">\r\n<td>Height, excl. tilt frame:<\/td>\r\n<td>1730 mm<\/td>\r\n<td>68\u201d<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Weight, excl. rotator:<\/td>\r\n<td>1480 kg<\/td>\r\n<td>3262 lb<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr class=\"table-color\">\r\n<td>Weight with top saw, excl. rotator:<\/td>\r\n<td>1595 kg<\/td>\r\n<td>3516 lb<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<\/div><br><h3 class=\"text-center\">Recommendations<\/h3><br><div class=\"\">\r\n<h4>Carriers<\/h4>\r\n<table class=\"table table-condensed\">\r\n<thead><\/thead>\r\n<tbody>\r\n<tr>\r\n<td colspan=\"4\">The SP 661 LF is an excellent choice for use on both wheeled harvesters, tracked harvesters as well as excavators. To inquiry about the suitability of a specific machine brand\/model, please contact your SP dealer.<\/td>\r\n<\/tr>\r\n<tr class=\"table-color\">\r\n<td width=\"30%\">Optimum tree size (DBH) for highest productivity*:<\/td>\r\n<td width=\"30%\">160-510 mm<\/td>\r\n<td width=\"40%\">6-20\u201d<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td colspan=\"4\">* Diameter at breast height, measured 1.3 m up the trunk.<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<\/div><br>We reserve the right to change specifications and design. Harvester heads pictured may have some extra equipment. All stated measurements\/values are approximate and refer to standard equipment.<br><br><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>SP 661 LF Harvester head SP 661 LF &#8211; Technical data Learn more about the technology behind our various harvester heads. Here you will find everything from information about cutting and delimbing to weights and dimensions. Hydraulics Metric US Min. pump capacity: 200 l\/min 52 gpm Rec. working pressure: 26-30 MPa 3770-4350 psi Feeding Proportional [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":4797,"menu_order":333,"comment_status":"closed","ping_status":"closed","template":"elementor_header_footer","meta":{"_acf_changed":false,"site-sidebar-layout":"no-sidebar","site-content-layout":"page-builder","ast-site-content-layout":"full-width-container","site-content-style":"unboxed","site-sidebar-style":"unboxed","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"disabled","ast-breadcrumbs-content":"","ast-featured-img":"disabled","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"class_list":["post-4802","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Technical data - SP Maskiner<\/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:\/\/spmaskiner.com\/en\/harvester-heads\/harvester-heads-lf\/harvester-head-sp-661-lf\/sp-661-lf-technical-data\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Technical data - SP Maskiner\" \/>\n<meta property=\"og:description\" content=\"SP 661 LF Harvester head SP 661 LF &#8211; Technical data Learn more about the technology behind our various harvester heads. Here you will find everything from information about cutting and delimbing to weights and dimensions. 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