Pennsylvania Business Report

Pittsburgh’s Wabtec signs $1.2B deal with Union Pacific to modernize locomotives

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By Liz Carey  |  February 6, 2026

Pittsburgh-based Wabtec announced it has signed an historic agreement with Union Pacific to modernize the railroad’s AC4400 locomotives. The $1.2 billion agreement represents the largest locomotive modernization agreement in rail industry history, building on Union Pacific’s previous 2022 order that is scheduled to be completed in 2026. The upgraded fleet will enhance the railroad’s operational efficiency, officials said, as well as its service reliability and network performance. ...

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