Doosan (Daewoo) Wheeled loading shovel/dozer Mega Mega 250 V Daewoo D1146T (2002-2005)

Which oil should you use for your Doosan (Daewoo) Wheeled loading shovel/dozer Mega Mega 250 V Daewoo D1146T (2002-2005)? Complete advice for all components, such as the engine, gearbox (transaxle), brake system, power steering system and cooling system.