Doosan (Daewoo) Forklift trucks, diesel D/GXD D55SC-2 DHIM DB58S (2004-2007)

Which oil should you use for your Doosan (Daewoo) Forklift trucks, diesel D/GXD D55SC-2 DHIM DB58S (2004-2007)? Complete advice for all components, such as the engine, gearbox (transaxle), brake system, power steering system and cooling system.