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<br />1000 <br /> <br />900 <br /> <br />800 <br /> <br />700 <br /> <br />600 <br /> <br />- <br />C1l <br />~ <br /> <br />en <br />:;) <br />o <br /><( <br />a: 500 <br /><-' <br />z <br />Z <br />a: <br />:;) <br />f- <br /> <br />400 <br /> <br />300 <br /> <br />200 <br /> <br />100 <br /> <br />o <br /> <br />~10 AI <br />D it-' <br />. 0 ()() <br />2 I~ -J 1-11i:j- <br />I I /' <br /> <br />50 <br /> <br />40 <br /> <br />:1 <br />I <br />00 <br />--14r- <br /> <br />33 <br /> <br />Off Tracking Characteristics of a Tractor- <br />Semitrailer Unit-Maximum Off Track <br /> <br />Maximum Off Track = " wb2 + (Vtr2. wb2 . ht)2 . '\J ko2 + (Vtr2 . wb2 . ht)2 . ka2 <br /> <br />where: wb <br />tr <br />ht <br />ko <br />ka <br /> <br />1 1 % = tractor wheelbase <br />50 to 1000 = turning radius <br />3.21 = front wheel track 7 2 <br />1 = kingpin offset <br />33 = Semitrailer wheelbase <br /> <br />Maximum Offtrack + Maximum Vehicle Width <br />Maximum Track Width <br /> <br /> <br />2.5 <br /> <br />5 <br /> <br />7.5 <br />OFF-TRACK (feet) <br /> <br />10 <br /> <br />15 <br />