Doosan (Daewoo) Wheeled loading shovel/dozer Mega Mega 300 III Daewoo D2366T (1997-2001)

Which oil should you use for your Doosan (Daewoo) Wheeled loading shovel/dozer Mega Mega 300 III Daewoo D2366T (1997-2001)? Complete advice for all components, such as the engine, gearbox (transaxle), brake system, power steering system and cooling system.