Caterpillar Forklift trucks, gas/LPG/petrol GP35K Mitsubishi 4G64 (1999-2007)

Which oil should you use for your Caterpillar Forklift trucks, gas/LPG/petrol GP35K Mitsubishi 4G64 (1999-2007)? Complete advice for all components, such as the engine, gearbox (transaxle), brake system, power steering system and cooling system.