He wants a Dozer and Dumptruck. Sure the dump could pull the dozer on a trailer, but how's he going to be able to feed the dump? That little Sandloader it was pulling isn't going to work for much unless we dig a road under it.
Nylint ford 9000 tandem dump
Doepke barber-greene loader
Bruder little Cat dozer
Yes, the dozer having the same width blade as the feed area on my Barber-Greene bucket elevator allegedly could have had something to do with why he got this toy back again as a kickstarted project.