The rear end of the 08-475 Unimat 4 S ballast tamper, seen in Aachen West on 12
July 2001. The tamping device and the operator cab can be seen on the righthand
side. The devices under the two-axled section seem to be intended to reshape
the trackbed after tamping.
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Digital photo by
<a href="http://www-users.rwth-aachen.de/christoph.schmitz2/index.html">Christoph Schmitz</a>