Under the Whyte notation for the classification of steam locomotives by wheel arrangement, 2-6-2+2-6-2 is an articulated locomotive using a pair of 2-6-2 power units back to back, with the boiler and
South African Railways Class GB
Sierra Leone Government Railway Garratt locomotive no. 50 of 1926
The Whyte notation is a classification method for locomotives based on wheel arrangement. While the Whyte notation is most commonly used when referring to steam locomotives, it can also be applied to
2-6-2+2-6-2
…Under the Whyte notation for the classification of steam locomotives by wheel arrangement, 2-6-2+2-6-2 is an articulated locomotive using a pair of 2-6-2 power units back to…
Whyte notation from a handbook for railroad industry workers published in 1906