4030 posted here previously by John e.c.MI http://talk.newagtalk.com/forums/thread-view.asp?tid=234809 The 4040 parts book shows a roll-a-matic narrow or single front wheel option was available Common parts catalog for the 4040, 4240, and 4440 but the narrow fronts are only check marked for the 4040.
 (4030 n.jpg)
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 4030 n.jpg (80KB - 283 downloads)
4040single.gif (56KB - 246 downloads)
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John Deere 4030 narrow front
