Wikimedia Commons has media related to B′B n4v locomotives.
Unsuperheated Mallet articulated compound steam locomotives classified B′B under the UIC classification of locomotive axle arrangements.
- The equivalent Whyte notation of locomotive axle arrangements is 0-4-4-0.
Pages in category "B′B n4v locomotives"
The following 2 pages are in this category, out of 2 total. This list may not reflect recent changes.