Union Pacific and Wabtec Corporation have signed a $1.2 billion agreement to modernize Union Pacific's AC4400 locomotive fleet. The deal, which represents the largest locomotive modernization investment in rail industry history, aims to enhance operational efficiency, service reliability, and network performance. The upgraded locomotives are expected to provide over a 5% reduction in fuel consumption, a 14% increase in tractive effort, and an 80% improvement in reliability. Upgrades will include the FDL Advantage engine, LOCOTROL® Expanded Architecture, and Modular Control Architecture. Production will take place at Wabtec’s U.S. facilities, with deliveries scheduled to begin in 2027. This marks Union Pacific's fourth major modernization order from Wabtec since 2018.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. Wabtec Corporation - Westinghouse Air Brake Technologies Corporation published the original content used to generate this news brief via Business Wire (Ref. ID: 20260204005826) on February 04, 2026, and is solely responsible for the information contained therein.