日本土崎铁路工厂是一个有88年历史的老厂，1987年划归东日本客运铁路公司管理，是检修从内燃机车到内燃动车，特别是集中检修发动机和液力传动装置的基地；是目前东日本地区最大的柴油机和液力传动装置修理厂。该厂采用了状态监视、机油分析等一系列非解体检查技术，并组建了发动机和液力传动装置技术中心，研究开发了检修新技术。该中心研制成功的发动机部件尺寸自动测量装置具有很高的精度和效率。 Japan’s Tsuzaki railway plant is an 88-year-old factory, under the management of the East Japan Railway Passenger Transport Company in 1987, is the maintenance of diesel locomotives to internal combustion motor vehicles, in particular, focus on overhaul of the engine and hydraulic transmission device base; is the East Japan’s largest diesel engine and hydraulic transmission repair shop. The plant adopted a series of non-disintegration inspection technologies such as condition monitoring and oil analysis, and set up technical centers of engines and hydraulic transmission devices to research and develop new maintenance technologies. The center has developed a successful engine part size automatic measurement device with high accuracy and efficiency.