If the white metal kit you are looking for is Wildfire, then its better to make a direct call and ask for the specific kit. You can get a complete truck, but the kit is easy to build. They actually produce full size vehicles, but the owner is a nice fellow, and is into modeling.

Just primer, then paint parts. Very little simple construction is required. Here are a couple shots my version, using a CXT cab, and Code 3 Oshkosh wheel sets on brass axle tubes for off-road list.







Unpainted kit on painted cab:

I think you're referring to the "Boley" line of trucks?? They made several different types of brush rigs, water tenders, crew transport trucks, etc. Several versions of each in CDF, USFS, and BLM colors. You can still find almost all of them from on-line stores.