Product Catalog Catalog Contractor Floor Care Grinder View as: Display items as thumbnails Display items as a list DUAL-HEAD SURFACE GRINDER Manufacturer: Gehl Model Number: SG25/GH Request Availability Description Welded, unitized frame. Dual counter rotating multi-accessory discs with elastomeric-type gimbal heads; twin V-belt and spur gear reduction system; adjustable operator handle and wheel heights.