The pcmech.zip file you have requested: Add Ons / Vehicles / PC Mechs - 1.02mb is not available. Perhaps try browsing all files for the game ARMA: Cold War Assault and upload any files you want to share or are missing. This is the only information we could locate:
For more information on Operation Flashpoint Resistance, visit Operationflashpoint.filefront.com Philcommando made 2 mech units. 1 for east and 1 for west.