{"product_id":"vortex-skid-steer-stump-grinder-attachment","title":"Eterra Vortex Stump Grinder for Skid Steer, Mini Skid Steer \u0026 Excavator","description":"\u003ch2\u003eEterra Vortex Stump Grinder for Skid Steer, Mini Skid Steer \u0026amp; Excavator\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eEterra Vortex stump grinder\u003c\/strong\u003e is built around a heavy cutting wheel that carries rotational energy through the cut instead of stalling in it. Three sizes cover three classes of machine — \u003cstrong\u003e20\" for mini skid steers\u003c\/strong\u003e, \u003cstrong\u003e27\" standard flow\u003c\/strong\u003e and \u003cstrong\u003e31\" high flow\u003c\/strong\u003e for full-size skid steers and excavators. Available from \u003cstrong\u003eSkid Steer Store\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eBuilt for Efficiency and Capacity\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeavy cutting wheel\u003c\/strong\u003e — stored rotational energy keeps wheel speed up through hardwood, so you grind instead of bog down.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThree sizes, three machine classes\u003c\/strong\u003e — 20\" mini, 27\" standard flow, 31\" high flow.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide 12–45 GPM coverage\u003c\/strong\u003e — a Vortex fits nearly any hydraulic package.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReplaceable carbide teeth\u003c\/strong\u003e — swap teeth rather than replacing the wheel.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMini universal mount standard\u003c\/strong\u003e on 20\" models, with Bobcat MT and ASV plates available.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eModel Comparison\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth scope=\"col\"\u003eModel\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eCutting Wheel\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eFlow\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eWheel Speed\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eCarrier\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e20\" Mini\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20\"\u003c\/td\u003e\n\u003ctd\u003e12–20 GPM\u003c\/td\u003e\n\u003ctd\u003e350–600 RPM\u003c\/td\u003e\n\u003ctd\u003eMini skid steer\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e27\" Standard Flow\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e27\"\u003c\/td\u003e\n\u003ctd\u003e18–30 GPM\u003c\/td\u003e\n\u003ctd\u003e450–735 RPM\u003c\/td\u003e\n\u003ctd\u003eSkid steer or excavator\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e31\" High Flow\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e31\"\u003c\/td\u003e\n\u003ctd\u003e30–45 GPM\u003c\/td\u003e\n\u003ctd\u003e450–700 RPM\u003c\/td\u003e\n\u003ctd\u003eSkid steer or excavator\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eA Case Drain Is Required\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eEvery Vortex model requires a case drain line.\u003c\/strong\u003e Running a high-torque hydraulic motor without one builds back-pressure on the shaft seal and will destroy the motor. Case drain and coupler specifications are matched to your machine at order time — \u003cstrong\u003econtact Skid Steer Store\u003c\/strong\u003e with your make and model and we will confirm both before your order ships. If your machine has no case drain port, tell us before ordering.\u003c\/p\u003e\n\n\u003ch3\u003eMini Skid Steer Mounting\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth scope=\"col\"\u003eMount\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eFits\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eCost\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eMini Universal\u003c\/td\u003e\n\u003ctd\u003eMost mini skid steers and mini track loaders\u003c\/td\u003e\n\u003ctd\u003eInstalled standard\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBobcat MT\u003c\/td\u003e\n\u003ctd\u003eBobcat MT-series mini track loaders\u003c\/td\u003e\n\u003ctd\u003ePlate included in variant price\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eMini ASV\u003c\/td\u003e\n\u003ctd\u003eASV and Terex mini loaders\u003c\/td\u003e\n\u003ctd\u003ePlate included in variant price\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCommon Applications\u003c\/h3\u003e\n\u003cp\u003eStump removal for landscaping and site prep, tree service cleanup, storm damage recovery, fence line and pasture clearing, lot preparation, and municipal park and right-of-way maintenance.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhich Vortex fits my machine?\u003c\/strong\u003e\u003cbr\u003eMini skid steers take the 20\" on 12–20 GPM. Standard-flow skid steers and excavators take the 27\" on 18–30 GPM. High-flow machines take the 31\" on 30–45 GPM.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo I really need a case drain?\u003c\/strong\u003e\u003cbr\u003eYes, on every model without exception. Running without one builds back-pressure on the motor's shaft seal and causes failure.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I run the Vortex on an excavator?\u003c\/strong\u003e\u003cbr\u003eYes. Both the 27\" standard flow and 31\" high flow are available in excavator configurations.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I specify couplers and case drain fittings?\u003c\/strong\u003e\u003cbr\u003eThey are matched to your machine at order time rather than selected above. Contact Skid Steer Store with your make and model.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo the mini models need a separate mounting plate?\u003c\/strong\u003e\u003cbr\u003eOnly if your machine is not mini universal. Bobcat MT and Mini ASV variants already include the correct plate in the listed price.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the difference between the 27\" and 31\"?\u003c\/strong\u003e\u003cbr\u003eWheel size and flow requirement. The 27\" runs on standard-flow hydraulics; the 31\" needs a high-flow machine but takes larger stumps in fewer passes.\u003c\/p\u003e\n\n\u003ch3\u003eOrder From Skid Steer Store\u003c\/h3\u003e\n\u003cp\u003eSelect your model and carrier above. Unsure about your flow rating or case drain port? \u003cstrong\u003eContact Skid Steer Store\u003c\/strong\u003e with your make and model and we will confirm the full configuration before your order ships.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@graph\": [\n    {\n      \"@type\": \"Product\",\n      \"name\": \"Eterra Vortex Stump Grinder for Skid Steer, Mini Skid Steer and Excavator\",\n      \"sku\": \"ET-22V027-A001\",\n      \"mpn\": \"ET-22V027-A001\",\n      \"category\": \"Skid Steer Attachments \u003e Stump Grinders\",\n      \"description\": \"Eterra Vortex stump grinder in 20 inch mini skid steer, 27 inch standard flow and 31 inch high flow models for skid steers and excavators. 12-45 GPM. 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