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2015 – 2026
The name above the gate changed: The banked Studebaker record carries the proving ground's modern ownership as "Navistar, 2015" — the truck maker that bought the New Carlisle ground from Bosch that year. The name no longer stands. On October 1, 2024, Navistar, Inc. rebranded itself as International Motors, LLC — announced September 25, 2024, in the company's own words, as a "return to our roots as International." The proving ground remains in the company's facility list under the new name and in work: a trade account of November 2, 2026 describes it still operated as a fee-for-service test facility. The line is re-dated accordingly — International Motors, formerly Navistar, holding the ground Bosch sold in 2015 — and the ground itself reaches its centennial in the same year, established by Studebaker in 1926, the anniversary the museum's Testing Tomorrow exhibition marks through November 30, 2026.
Sources:
- International Motors (news.international.com), company release, September 25, 2024 — Navistar, Inc. to become International Motors, LLC effective October 1, 2024.
- Trade account of the company's test facilities, November 2, 2026 — the New Carlisle proving ground still operated on a fee-for-service basis.
- Studebaker National Museum, Testing Tomorrow: The Proving Ground at 100 (2026) — the ground established 1926 on 840 acres.