{"id":463729,"date":"2026-08-28T11:12:06","date_gmt":"2026-08-28T09:12:06","guid":{"rendered":"https:\/\/lucacastelli.com\/prodotto\/ms-261-c-m-45cm-cutting-length-rs-pro\/"},"modified":"2026-08-31T08:45:41","modified_gmt":"2026-08-31T06:45:41","slug":"ms-261-c-m-45cm-cutting-length-rs-pro","status":"publish","type":"product","link":"https:\/\/lucacastelli.com\/en\/product\/ms-261-c-m-45cm-cutting-length-rs-pro\/","title":{"rendered":"STIHL MS 261 C-M, cutting length 45cm, RS Pro"},"content":{"rendered":"<p>With fully electronic engine management M-Tronic<br \/>\nLightweight, manoeuvrable and powerful professional chainsaw. Fuel metering is electronically controlled and automatically adapts to weather conditions. Equipped with HD2 filter, adjustable-flow oil pump and special features such as stainless steel muffler, captive nuts on the sprocket cover and one-piece cover with three quick-release fasteners. Up to 20% lower fuel consumption and up to 50% fewer harmful emissions compared to STIHL two-stroke engines of equal power without 2-MIX technology.   <\/p>\n<p>&nbsp;<\/p>\n<table data-test-id=\"pdp-spec-tech-table\">\n<tbody>\n<tr>\n<td>Displacement<\/td>\n<td>50.2 cm\u00b3<\/td>\n<\/tr>\n<tr>\n<td>Power<\/td>\n<td>3 kW<\/td>\n<\/tr>\n<tr>\n<td>Power<\/td>\n<td>4.10 PS<\/td>\n<\/tr>\n<tr>\n<td>Power<\/td>\n<td>4 bhp<\/td>\n<\/tr>\n<tr>\n<td>CO2<\/td>\n<td>705 g\/kWh<\/td>\n<\/tr>\n<tr>\n<td>Unit weight without fuel<\/td>\n<td>4.9 kg<\/td>\n<\/tr>\n<tr>\n<td>System weight<\/td>\n<td>5.80 \/ 5.92 kg<\/td>\n<\/tr>\n<tr>\n<td>Power-to-weight ratio<\/td>\n<td>1.60 kg\/kW<\/td>\n<\/tr>\n<tr>\n<td>Bar length<\/td>\n<td>40 \/ 45 cm<\/td>\n<\/tr>\n<tr>\n<td>Groove width<\/td>\n<td>1.30 mm<\/td>\n<\/tr>\n<tr>\n<td>Chain pitch<\/td>\n<td>.325&#8243;<\/td>\n<\/tr>\n<tr>\n<td>Device length with bumper spike<\/td>\n<td>448 mm<\/td>\n<\/tr>\n<tr>\n<td>Sound pressure level<\/td>\n<td>105 dB(A)<\/td>\n<\/tr>\n<tr>\n<td>Sound power level<\/td>\n<td>114 dB(A)<\/td>\n<\/tr>\n<tr>\n<td>Vibration level, left<\/td>\n<td>3.5 m\/s\u00b2<\/td>\n<\/tr>\n<tr>\n<td>Vibration value right<\/td>\n<td>3.5 m\/s\u00b2<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p>MS 261 C-M, cutting length 45cm, RS Pro<\/p>\n","protected":false},"featured_media":644678,"template":"","meta":{"_seopress_robots_primary_cat":"none","_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":""},"product_brand":[3556],"product_cat":[165,1600],"product_tag":[3268],"class_list":{"0":"post-463729","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_brand-stihl-en","7":"product_cat-machinery","8":"product_cat-motor-chainsaws","9":"product_tag-import-stihl-en","10":"sws-gruppo-macchinari","11":"sws-conto-ricavi-merci-rivendita-macchinari","12":"sws-gruppo-iva-iva81","14":"first","15":"onbackorder","16":"sale","17":"purchasable","18":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/lucacastelli.com\/en\/wp-json\/wp\/v2\/product\/463729","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lucacastelli.com\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/lucacastelli.com\/en\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/lucacastelli.com\/en\/wp-json\/wp\/v2\/media\/644678"}],"wp:attachment":[{"href":"https:\/\/lucacastelli.com\/en\/wp-json\/wp\/v2\/media?parent=463729"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/lucacastelli.com\/en\/wp-json\/wp\/v2\/product_brand?post=463729"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/lucacastelli.com\/en\/wp-json\/wp\/v2\/product_cat?post=463729"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/lucacastelli.com\/en\/wp-json\/wp\/v2\/product_tag?post=463729"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}