Canadian grain trucks

Model Railroader Prototype information for the modeler
1

Hi,I`m Chritian from Germany,

the grain must deliver by truck to the grain elevator.-right? What´s for trucks are right for a scene in the 1970`? What´s today available in HO?

Thanks for answer me!

2

http://images.google.ca/images?hl=en&q=grain+trucks&btnG=Search+Images&gbv=2