What does 4-14-4 mean?

Definitions for 4-14-4

Here are all the possible meanings and translations of the word 4-14-4.

Wiktionary

  1. 4-14-4(Noun)

    Under the Whyte notation system, a steam locomotive with four leading wheels in a leading truck, fourteen driving wheels (seven axles) in a rigid frame, and four trailing wheels in a trailing truck.

Freebase

  1. 4-14-4

    A 4-14-4, in the Whyte notation for the classification of steam locomotives by wheel arrangement, is a locomotive with four leading wheels, fourteen coupled driving wheels in a rigid frame, and four trailing wheels. Other equivalent classifications are: UIC classification: 2G2 French classification: 272 Turkish classification: 711 Swiss classification: 7/11 Russian classification: 2-7-2 A single example of this type, called the AA20-1, was built by the Soviet Union. The designation stands for Andrey Andreev, 20 ton axle load. While some builders had produced twelve-coupled designs, no one had ever built a fourteen-coupled engine. The AA20-1 holds two records: the largest number of coupled axles on a locomotive, and being the longest rigid frame locomotive in Europe. It was the largest rigid frame locomotive in the world until 1939, when the PRR S1 was unveiled. The large number of driving axles were meant to spread out the locomotive's weight, reducing the axle load and the resulting stress on the track. A group of Soviet locomotive engineers had visited the United States, and presumably they had seen the 4-12-2 locomotives being used by the Union Pacific. The 4-14-4 could be viewed as an expansion of that type. Unlike the successful Union Pacific locomotives, however, the AA20-1 was a complete disaster.

Numerology

  1. Chaldean Numerology

    The numerical value of 4-14-4 in Chaldean Numerology is: 0

  2. Pythagorean Numerology

    The numerical value of 4-14-4 in Pythagorean Numerology is: 0

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