I think it looks close enough for an Averling-Barford unknown designation
http://imcdb.org/vehicle_74901.html
rollers are the worst to ID and I think out of nearly 4 unknown pages , a little over 2 are rollers
and what do about this ?? total fictional !!!! Made FOr Movie, put in the comments ???
http://imcdb.org/vehicle_686658.html
no real crawler loader so many wheels and is totally misproportioned
counted no less than 19 spacer wheels
the closest thing in real life to that is the Panzer 4 tank who had "only" 12 and let's not forget this is a fully armored vehicle
http://upload.wikimedia.org/wikipedia/commons/d/da/Panzer_IV_Ausf_J_Parola_2.jpg