美国诺福克南方铁路尽管已有540台剩余和备用机车,但1985年仍订购了100台新机车(向GM公司和GE公司各订购50台)。该铁路副总经理和机务总负责人声称,订购的新的大功率、高粘着、采用微电脑实行控制的六轴机车将代替两种GP-38系列机车。这在节油和节省维修费用方面具有重大意义。 Although there were 540 remaining and backup locomotives in the US Norfolk Southern Railway, 100 new locomotives were ordered in 1985 (50 for each of GM and GE). The railway’s deputy general manager and chief maintenance officer claimed that the ordered new high-power, high-adhesion, microcomputer-controlled six-axle will replace two GP-38 series locomotives. This is of great significance in terms of fuel economy and maintenance costs.