Ditch Witch 7520 ISSUE NO. 04PL-06/95 For Replacement Copy Order P/N 053-408 This manual contains information concerning the following models: 7520 Tractor Copyright 1991, 1995 The Charles Machine Works, Inc. AutoCrowd, Ditch Witch, Jet Trac, Modularmatic, Perma Soil, ProTech, Roto Witch, Sidekick, Subsite and El are registered trademarks of The Charles Machine Works, Inc.