Replace the Stockpile.txt file in game\User\Compaigns\Campaign Template\Warehouse with
the enclosed Stockpile.txt, and you'll have 1000 of pretty much every vehicle or weapon in the game. You need to create a new campaign for it to work.
-from Sveinung Kristiansen AKA Odin download the file: soldnersave.zip
(to unpack archives use: WinZip,WinAce, WinRar)