2-4-0+0-4-2

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A 2-4-0+0-4-2, in the Whyte notation for the classification of steam locomotives by wheel arrangement, is a Garratt articulated locomotive. The wheel arrangement is effectively two 2-4-0 "Atlantic" locomotives operating back to back.

Other equivalent classifications are:
UIC classification: 1B+B1 (also known as German classification and Italian classification)
French classification: 120+021
Turkish classification: 23+23
Swiss classification: 2/3+2/3

This was the second rarest Garratt arrangement; five locomotives to this arrangement were constructed, four of which were built by Beyer, Peacock and one by the 5 ft 3 in (1,600 mm)-gauge Sao Paulo Railway of Brazil in 1919 for its own use. The four Beyer, Peacock locomotives comprised three for the Sao Paulo Railway in 1915, and one in 1929 for the 2 ft 6 in (762 mm) gauge Ceylon Government Railway.^[1]^[2]

[edit] References

^ Gavin Hamilton. Garratt Locomotives produced by Beyer Peacock. The Garratt Locomotive. Retrieved on 2008-01-12.
^ Gavin Hamilton. Garratt Locomotives from other builders. The Garratt Locomotive. Retrieved on 2008-01-12.

v • d • e Steam locomotive types

Single engine types	0-2-2 • 2-2-0 • 2-2-2 • 2-2-4 • 4-2-0 • 4-2-2 • 4-2-4 • 6-2-0 0-3-0 0-4-0 • 0-4-2 • 0-4-4 • 2-4-0 • 2-4-2 • 2-4-4 • 4-4-0 • 4-4-2 • 4-4-4 • 4-4-6 0-6-0 • 0-6-2 • 0-6-4 • 2-6-0 • 2-6-2 • 2-6-4 • 2-6-6 • 4-6-0 • 4-6-2 • 4-6-4 0-8-0 • 0-8-2 • 0-8-4 • 2-8-0 • 2-8-2 • 2-8-4 • 2-8-6 • 4-8-0 • 4-8-2 • 4-8-4 • 4-8-6 • 6-8-6 0-10-0 • 0-10-2 • 2-10-0 • 2-10-2 • 2-10-4 • 4-10-0 • 4-10-2 0-12-0 • 2-12-0 • 2-12-2 • 2-12-4 • 4-12-2 • 4-14-4

Duplex engine types	4-4-4-4 • 6-4-4-6 • 4-4-6-4 • 4-6-4-4

Garratt (articulated) types	0-4-0+0-4-0 • 2-4-0+0-4-2 • 2-4-2+2-4-2 • 4-4-2+2-4-4 • 0-6-0+0-6-0 • 2-6-0+0-6-2 • 2-6-2+2-6-2 4-6-2+2-6-4 • 4-6-4+4-6-4 • 2-8-0+0-8-2 • 2-8-2+2-8-2 • 4-8-0+0-8-4 • 4-8-2+2-8-4 • 4-8-4+4-8-4

Mallet (articulated) types (includes Triplex)	0-4-4-0 • 0-4-4-2 • 2-4-4-2 0-6-6-0 • 2-6-6-0 • 2-6-6-2 • 2-6-6-4 • 2-6-6-6 • 2-6-8-0 • 4-6-6-2 • 4-6-6-4 0-8-8-0 • 2-8-8-0 • 2-8-8-2 • 2-8-8-4 • 4-8-8-2 • 4-8-8-4 2-10-10-2 • 2-8-8-8-2 • 2-8-8-8-4

Engerth (articulated) types	0-4-4 • 0-4-6 2-6-2 • 0-6-4 • 0-6-4-0 0-8-4 • 0-8-6