I need help on how to carve and construct an excavator cake for a guy 49th b-day. Any help would be appreciated.

Anyone?????

Found some photos for you... 2D, 3D, cartoon and realistic.
http://cakecentral.com/modules.php?name=gallery&file=displayimage&pid=1152851
http://cakecentral.com/modules.php?name=gallery&file=displayimage&pid=1250131
http://cakecentral.com/modules.php?name=gallery&file=displayimage&pid=1540339
http://cakecentral.com/modules.php?name=gallery&file=displayimage&pid=1735142
http://cakecentral.com/modules.php?name=gallery&file=displayimage&pid=1320341 (Has link to photo instructions for a cartoon style cake.)
http://cakecentral.com/modules.php?name=gallery&file=displayimage&pid=1455977
http://www.cakecentral.com/cake-photo_28209.html

Thanks 7yyrt

You're welcome.
It looks like the arm on the various cakes was made from RKT, dowels, or gumpaste.