Foreword - 8 SK800 Operator’s Manual p SK800 Operator’s Manual Kubota® D1105 Issue number 2.0/OM-7/20 Part number 053-2976 by The Charles Machine Works, Inc. Copyright 2017, 2020 and Ditch Witch are registered trademarks of The Charles Machine Works, Inc. This product and its use may be covered by one or more patents at http://patents.charlesmachine.works.