北美铁路机务段只管机车检修,机车运用及乘务员统一由车站管理。机车检修段也是车站的一个部门。机车发生架修、大修和部件大修时都由铁路总公司(铁路局)管辖的铁路工厂承担。机车使用15～20年需要翻新时,由铁路工厂或机车制造厂承担(有的机车厂也做部件大修),这种检修体制有利于实行专业化集中修的开展,可以节省大型设备的投资,设备利用系数 North American Railway locomotive depot only locomotive maintenance, locomotive use and flight attendants unified by the station management. Locomotive repair section is also a department of the station. Locomotive repair, overhaul and parts overhaul by the railway Corporation (Railway Bureau) under the jurisdiction of the railway factory. Locomotives need to be refurbished 15 to 20 years, by the railway factory or locomotive manufacturer (and some locomotive manufacturers also do parts overhaul) This maintenance system is conducive to the implementation of specialized intensive repair, you can save large-scale investment in equipment, Equipment utilization factor