Invention and Engineering

4-8-4+4-8-4

Under the Whyte notation for the classification of steam locomotives by wheel arrangement, the 4-8-4+4-8-4 is a Garratt locomotive. The wheel arrangement is effectively two 4-8-4 locomotives operating back to back, with the boiler and cab suspended between the two engine units. Each engine unit has two pairs of leading wheels in a leading bogie, followed by four coupled pairs of driving wheels and two pairs of trailing wheels in a trailing bogie.

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See also

• ▸Electronics industry in Bangladesh
• ▸Hilbert Museum of California Art
• ▸Engine house

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