1 RT80 ISSUE NO. 03PL-05/11 For Replacement Copy Order P/N 053-1271 This manual contains information concerning the following models: RT80 Tractor Copyright 2009, 2010, 2011 by The Charles Machine Works, Inc. , Ditch Witch, CMW, AutoCrowd, Jet Trac, Roto Witch, Subsite, Fluid Miser, Power Pipe, Super Witch, Pierce Arrow, Zahn, The Underground, and The Underground Authority Worldwide are registered trademarks of The Charles Machine Works, Inc. ID0233496