{"product_id":"3-7-tonne-excavator-flail-mower","title":"3–7 Tonne Excavator Flail Mower – 850mm \u0026 1050mm","description":"\u003cp\u003eThe \u003cstrong\u003e3–7 tonne excavator flail mower\u003c\/strong\u003e steps up to heavier-duty hammer blades for thicker growth. It cuts brush, brambles and hedgerow material up to 40mm thick, with an 850mm or 1050mm head for midi excavators.\u003c\/p\u003e\n\n\u003cp\u003eA high-torque direct drive motor spins the rotor, and the hammer blades cut and chop whatever the head passes over. The self-levelling head follows the ground, a height-adjustable roller sets the cutting height, and a pre-set flow control valve with anti-shock and anti-cavitation protection looks after the motor. On the end of an excavator arm, the flail has the reach to cut banks, ditch sides and hedges from the cab.\u003c\/p\u003e\n\n\u003cp\u003eIt's supplied with two hoses for flow and return and needs no drain line. Check your excavator's auxiliary flow against the figures below, then \u003ca href=\"\/pages\/request-a-quote\"\u003esend us your machine and hitch details\u003c\/a\u003e so we can confirm fitment before it's supplied.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\n\u003cul\u003e\n  \u003cli\u003eBuilt for 3–7 tonne excavators\u003c\/li\u003e\n  \u003cli\u003e850mm or 1050mm cutting widths\u003c\/li\u003e\n  \u003cli\u003eHammer rotor that cuts material up to 40mm thick\u003c\/li\u003e\n  \u003cli\u003eHigh-torque direct drive motor\u003c\/li\u003e\n  \u003cli\u003eSelf-levelling head that follows the ground\u003c\/li\u003e\n  \u003cli\u003eHeight-adjustable roller to set the cutting height\u003c\/li\u003e\n  \u003cli\u003ePre-set flow control valve with anti-shock and anti-cavitation protection\u003c\/li\u003e\n  \u003cli\u003eSupplied with two hoses for flow and return, with no drain line needed\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003e3–7 Tonne Flail Mower Specifications\u003c\/h2\u003e\n\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003e850mm head\u003c\/th\u003e\n\u003cth\u003e1050mm head\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003cth\u003eModel \/ SKU\u003c\/th\u003e\n\u003ctd\u003e040-FM-850\u003c\/td\u003e\n\u003ctd\u003e040-FM-1050\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eExcavator size\u003c\/th\u003e\n\u003ctd\u003e3–7 tonnes\u003c\/td\u003e\n\u003ctd\u003e3–7 tonnes\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eCutting width\u003c\/th\u003e\n\u003ctd\u003e850mm\u003c\/td\u003e\n\u003ctd\u003e1050mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eOil flow\u003c\/th\u003e\n\u003ctd\u003e30–50 l\/min\u003c\/td\u003e\n\u003ctd\u003e30–50 l\/min\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eMaximum pressure\u003c\/th\u003e\n\u003ctd\u003e200 bar\u003c\/td\u003e\n\u003ctd\u003e200 bar\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eMaximum cut\u003c\/th\u003e\n\u003ctd\u003e40mm\u003c\/td\u003e\n\u003ctd\u003e40mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd\u003e180kg\u003c\/td\u003e\n\u003ctd\u003e203kg\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eBlade type\u003c\/th\u003e\n\u003ctd\u003eHammer\u003c\/td\u003e\n\u003ctd\u003eHammer\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eNumber of blades\u003c\/th\u003e\n\u003ctd\u003e12\u003c\/td\u003e\n\u003ctd\u003e16\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eHoses\u003c\/th\u003e\n\u003ctd\u003e2 (flow and return), no drain line needed\u003c\/td\u003e\n\u003ctd\u003e2 (flow and return), no drain line needed\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eWhich Width?\u003c\/h2\u003e\n\n\u003cp\u003eBoth heads run on 30–50 l\/min. The 1050mm head covers more ground with each pass and weighs 203kg, against 180kg for the 850mm head, which is easier to place in tight spots.\u003c\/p\u003e\n\n\u003ch2\u003eWhere It Works Best\u003c\/h2\u003e\n\n\u003cp\u003eWith hammer blades, this size handles thicker growth on midi excavators:\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eCutting brambles, brush and gorse\u003c\/li\u003e\n  \u003cli\u003eHedgerow and boundary cutting\u003c\/li\u003e\n  \u003cli\u003eClearing overgrown land before groundworks\u003c\/li\u003e\n  \u003cli\u003eVerge and embankment maintenance\u003c\/li\u003e\n  \u003cli\u003eClearing growth from ditch and watercourse banks\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eY-Blades or Hammer Blades?\u003c\/h2\u003e\n\n\u003cp\u003eThis flail is fitted with heavier-duty hammer blades, which cut thicker brush and hedgerow material up to 40mm. The smaller \u003ca href=\"\/products\/0-8-2-tonne-excavator-flail-mower\"\u003e0.8–2 tonne\u003c\/a\u003e and \u003ca href=\"\/products\/1-5-3-tonne-excavator-flail-mower\"\u003e1.5–3 tonne flail mowers\u003c\/a\u003e use Y-blades, which suit grass and lighter growth up to 20mm.\u003c\/p\u003e\n\n\u003ch2\u003eHydraulic Requirements\u003c\/h2\u003e\n\n\u003cp\u003eBoth heads need 30–50 l\/min of oil flow, at a maximum pressure of 200 bar. The flail is supplied with two hoses for flow and return and needs no drain line. If your machine's auxiliary flow is below the range, the rotor won't reach full speed and the cut will suffer, so check your manual or spec sheet before ordering. Don't assume couplings or installation parts are included unless they are listed on your quote.\u003c\/p\u003e\n\n\u003ch2\u003eBefore You Start\u003c\/h2\u003e\n\n\u003cp\u003eA flail mower can throw stones and debris, so keep everyone well clear of the working area, and walk the ground first for wire, fencing, stones and other hidden objects. Check hedges, scrub and long grass for nesting birds. In England, hedgerows on or next to farmland can't be cut or trimmed from 1 March to 31 August unless an exception applies. Our guide on \u003ca href=\"\/blogs\/news\/how-to-use-an-excavator-flail-mower\"\u003ehow to use an excavator flail mower\u003c\/a\u003e covers set-up, cutting technique and the rules.\u003c\/p\u003e\n\n\u003ch2\u003eExcavator and Quick-Hitch Compatibility\u003c\/h2\u003e\n\n\u003cp\u003eMachine weight is only a starting point. Excavators in the same weight class can use different pin sizes, linkage widths, quick hitches and auxiliary hydraulics, so please send us the following when you order:\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eExcavator make and model\u003c\/li\u003e\n  \u003cli\u003eMachine operating weight\u003c\/li\u003e\n  \u003cli\u003eQuick hitch make and model, if you run one\u003c\/li\u003e\n  \u003cli\u003ePin diameter and pin centres\u003c\/li\u003e\n  \u003cli\u003eDipper width\u003c\/li\u003e\n  \u003cli\u003eAuxiliary hydraulic flow and pressure, from your manual or spec sheet\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eOur guide on \u003ca href=\"\/blogs\/news\/how-to-measure-an-excavator-for-a-new-bucket\"\u003ehow to measure an excavator for a new bucket\u003c\/a\u003e shows how to take the pin measurements. If you can't measure, \u003ca href=\"\/pages\/request-a-quote\"\u003esend us photos of your hitch\u003c\/a\u003e and we'll help.\u003c\/p\u003e\n\n\u003ch2\u003eDelivery and Ordering\u003c\/h2\u003e\n\n\u003cp\u003eEach flail mower is confirmed to suit your machine before it's supplied. Delivery is usually within 7 to 10 working days, although factory lead times can change this. If you need it for a fixed date, \u003ca href=\"\/pages\/request-a-quote\"\u003econtact us before ordering\u003c\/a\u003e so we can confirm the current lead time.\u003c\/p\u003e\n\n\u003ch2\u003e3–7 Tonne Flail Mower FAQs\u003c\/h2\u003e\n\n\u003ch3\u003eWhat can it cut?\u003c\/h3\u003e\n\u003cp\u003eIts hammer blades cut grass, brush and hedgerow growth up to 40mm thick. For thicker material, step up to the \u003ca href=\"\/products\/5-10-tonne-excavator-flail-mower\"\u003e5–10 tonne flail mower\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eWhat oil flow does it need?\u003c\/h3\u003e\n\u003cp\u003eBoth heads need 30–50 l\/min of oil flow, at a maximum pressure of 200 bar. Check your excavator's auxiliary flow in its manual or spec sheet, or send us your machine details and we'll check it for you.\u003c\/p\u003e\n\n\u003ch3\u003eDoes it need a drain line?\u003c\/h3\u003e\n\u003cp\u003eNo. It comes with two hoses for flow and return and doesn't need a case drain.\u003c\/p\u003e\n\n\u003ch3\u003eWill it fit my 3–7 tonne excavator?\u003c\/h3\u003e\n\u003cp\u003eMachine weight is the starting point, but excavators in the same class can use different pins, linkage widths, quick hitches and hydraulic flows. Send us your machine model, hitch details and auxiliary flow, and we'll confirm fitment before the flail is supplied.\u003c\/p\u003e\n\n\u003ch2\u003eOther Sizes\u003c\/h2\u003e\n\n\u003cp\u003eFor a smaller or larger machine, see the \u003ca href=\"\/products\/1-5-3-tonne-excavator-flail-mower\"\u003e1.5–3 tonne flail mower\u003c\/a\u003e or the \u003ca href=\"\/products\/5-10-tonne-excavator-flail-mower\"\u003e5–10 tonne flail mower\u003c\/a\u003e. Compare every size in our \u003ca href=\"\/collections\/excavator-flail-mowers\"\u003eexcavator flail mowers\u003c\/a\u003e range. Got trees to clear as well? Our \u003ca href=\"\/collections\/excavator-tree-shears\"\u003eexcavator tree shears\u003c\/a\u003e cut stems up to 450mm.\u003c\/p\u003e","brand":"Hardlife","offers":[{"title":"850mm","offer_id":66095413395805,"sku":"040-FM-850","price":3948.0,"currency_code":"GBP","in_stock":true},{"title":"1050mm","offer_id":66095413428573,"sku":"040-FM-1050","price":4188.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1019\/9049\/8653\/files\/3-7-tonne-excavator-flail-mower.webp?v=1790846279","url":"https:\/\/mammothattachments.com\/products\/3-7-tonne-excavator-flail-mower","provider":"Mammoth Attachments","version":"1.0","type":"link"}