The Charles Machine Works, Inc. JT2020 Tier 3 — Title

1 JT2020 Tier 3 ISSUE NO. 03PL-05/11 For replacement copy, order P/N 053-1264 This product is covered by one or more of the following patents:

US B1 4,858,704; 4,953,638; 5,148,880; 5,242,026; 5,341,887; 5,490,569; 5,684,466; 5,713,423, 5,794,719; 5,880,680; 5,941,322; 6,085,852; 6,109,371; 6,179,065; 6,216,803; 6,250,403; 6,250,404; 6,290,606; 6,311,790; 6,411,094; 6,543,551; 6,550,547; 6,672,409; 6,739,413; 6,761,231; 6,776,246; 6,808,210; 6,827,158; 6,848,506; 6,871,712; RE37,450; RE37,923; RE37,975; RE38,418 AU 689,533; 706,544; 718,034, 755,862 CA 2,156,398; 2,217,899 DE 694 17 019; 695 29 634; 297 01 406; EP 0683845; 0674093; 0817901; 0927892 FR 674,093 GB 2,309,239; 2,312,006; EP674,093; EP846,841; JP 3,458,247 Other U.S.

and foreign patents pending JT2020 Tier 3 Directional Drilling System This manual contains information concerning the following models: Copyright 2009, 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. ID0234453