The EMD GP33ECO is a 4-axle diesel-electric locomotive built by the Norfolk Southern Railway in its Juniata Locomotive Shop.

The locomotive is a rebuild of the EMD GP50 designed to meet Tier 3 emissions standards.

The rebuild was funded in part by the federal Congestion Mitigation and Air Quality Improvement Program.

[3] This diesel locomotive-related article is a stub.

You can help Wikipedia by expanding it.This United States train or rolling stock-related article is a stub.