Foreword - 8 XT855 Operator’s Manual p XT855 Operator’s Manual Issue number 1.0/OM-10/09 Part number 053-1985 Copyright 2009 by The Charles Machine Works, Inc. , Ditch Witch, CMW, AutoCrowd, Modularmatic, Jet Trac, Roto Witch, Subsite, Fluid Miser, Perma-Soil, Power Pipe, Super Witch, Super Witch II, Pierce Airrow, The Underground, and The Underground Authority Worldwide are registered trademarks of The Charles Machine Works, Inc. This product is covered by one or more of the following patents: U.S. D511, 531; Community Design : 000205117-0001; other U.S. and foreign patents pending. CMW