关键词: 汽车发动机；首次保养；机油；台架试验

Abstract: The first maintenance mileage of the engine,is related to the reliability and the performance in the life cycle. Should be integrated engine technical characteristics, use environment and oil quality, through the bench evaluation test, combined with the vehicle road test, according to the performance of the engine and oil, reasonable setting. According to the needs of users in an international market to extend the first maintenance mileage, this paper designs a series of evaluation tests to confirm the feasibility of extending the first maintenance mileage, taking into account the operating environment and aging factors of the engine and oil, as well as the characteristics of regional operating conditions.

Key words: Automobile engine; First maintenance; Oil; Bench test