DF4D series Diesel Locomotives designed and manufactured by Dalian Locomotive Works, are a group of locomotives that utilize 240/275ZJD series diesel engines.

大连机车车辆厂研制的东风4D系列内燃机车，是以240/275ZJD系列柴油机为动力的一组机车的统称。

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Steyr series generator set is matched by WD615/WD618/WP12 series diesel engines made by Weichai, with famous brand alternators such as Stamford, Marathon and other optional alternators.

斯太尔系列柴油发电机组，由潍柴生产WD615/WD618/WP12系列柴油机，配套斯坦福、马拉松等名牌发电机，以及客户指定的其他发电机组装而成。

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Many cases that damper locking nuts of CY6102 series diesel engines loosened and lubricating oil leaked from the dampers, which caused the engine fail to operate and even damaged happened many times.

CY 6102型柴油机减振器锁紧螺母发生多次失效、漏机油等故障，造成柴油机无法正常工作，甚至导致柴油机损坏。

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