4-2-2
From TrainSpottingWorld, for Rail fans everywhere
Under the Whyte notation for the classification of steam locomotives, a 4-2-2 locomotive has four leading wheels arranged in a leading truck, two driving wheels and two trailing wheels. The equivalent UIC classification is 2'A1'.
Examples from the UK
- The Iron Duke of Great Western Railway, built by Daniel Gooch. This broad gauge express locomotives were first built in 1847 and had an 8 ft diameter leading wheel size.
- The later examples of the GWR 3031 Class by William Dean, 1893-1899, built for standard gauge. No 3065 Duke of Connaught made a record-breaking run with the Ocean Mail express train on 9 May 1904, covering the distance from Plymouth to Paddington in 227 minutes.
- The GNR Stirling 4-2-2 of the Great Northern Railway, which ran an average speed of more than 60 mph during the race to the north, built first in 1870. They were called eight-footer because of the big leading wheel, that was more than 8 ft. in diameter.
- The Midland Railway 4-2-2 No 673 (Spinner) from 1899, still to be seen at the National Railway Museum, York.
- Southern Railway T7
- A further notable UK class 4-2-2 is the Holden P43, which was an early oil-burning engine, developed by the pioneer of oil-boilers, James Holden
Examples from Germany
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 0-4-0 • 0-4-2 • 0-4-4 • 2-4-0 • 2-4-2 • 2-4-4 • 4-4-0 • 4-4-2 • 4-4-4 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 • 2-6-0+0-6-2 • 4-6-2+2-6-4 • 2-8-0+0-8-2 • 4-8-2+2-8-4 • 4-8-4+4-8-4 |
Mallet (articulated) types | 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 |