thumb|The sole 1916 Baldwin Locomotive Works|Baldwin built Virginian Railway Class XA 2-8-8-8-4 Triplex Type locomotive Under the Whyte notation for the classification of steam locomotives, a 2-8-8-8-4 has two leading wheels, three sets of eight driving wheels, and four trailing wheels.
thumb|The sole 1916 Baldwin Locomotive Works|Baldwin built Virginian Railway Class XA 2-8-8-8-4 Triplex Type locomotive Under the Whyte notation for the classification of steam locomotives, a 2-8-8-8-4 has two leading wheels, three sets of eight driving wheels, and four trailing wheels.
Other equivalent classifications are: UIC classification: (1′D)D(D2′) French classification: 140+040+042 Turkish classification: 45+44+46 Swiss classification: 4/5+4/4+4/6
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).