Jim,
This link is a discussion, with pictures, of the Bachmann 10-Wheelers. Both the standard Big Hauler and Anniversary locomotives are covered.
http://www.grblogs.com/index.php/2007/11/08/bachmann-10-wheelers?blog=4
This should clear the differences between the two up for you.
One of the "Enthusiastic Children"
JD
This link is a discussion, with pictures, of the Bachmann 10-Wheelers. Both the standard Big Hauler and Anniversary locomotives are covered.
http://www.grblogs.com/index.php/2007/11/08/bachmann-10-wheelers?blog=4
This should clear the differences between the two up for you.
One of the "Enthusiastic Children"
JD