2-4-2+2-4-2
Template:Short description Template:Infobox steam wheel arrangement
Under the Whyte notation for the classification of steam locomotives by wheel arrangement, the 2-4-2+2-4-2 is a Garratt locomotive. The wheel arrangement is effectively two 2-4-2 locomotives operating back to back, with the boiler and cab suspended between the two power units. Each power unit has a single pair of leading wheels in a leading truck, followed by two coupled pairs of driving wheels, with a single pair of trailing wheels in a trailing truck.
Overview
This was the rarest of all Garratt types, with only one class of four locomotives constructed to this wheel arrangement.[1] It most likely evolved from the 2-4-0+0-4-2 Double Porter Garratt, with the trailing wheels added on each engine unit to improve stability at speed.
| Gauge | Railway | Numbers | Works no. | Units | Year | Builder |
|---|---|---|---|---|---|---|
| Script error: No such module "sort". | Leopoldina Railway, Brazil | 400-403 | 6976-6979 | 4 | 1943 | Beyer, Peacock |
Usage
Brazil
All four 2-4-2+2-4-2 locomotives were built in 1943 by Beyer, Peacock and Company for the Script error: No such module "Track gauge".Script error: No such module "Check for unknown parameters". Leopoldina Railway in Brazil. The locomotives were allocated engine numbers in the range from 400 to 403 on that system.[1]
References
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