London and North Eastern Railway, Doncaster
Mallard
LNER A4
England · 1938
1938 · Golden-age steam · Steam
Mallard
LNER 4468 · A4
Preserved · 4-6-2 · Whyte 4-6-2
Specification
| Class | LNER A4 |
|---|---|
| Nicknames | LNER 4468, A4 |
| Builder | London and North Eastern Railway, Doncaster |
| Year introduced | 1938 |
| Country built | England |
| Region | Britain |
| Operators | London and North Eastern Railway, British Railways |
| Era | Golden-age steam |
| Motive power | Steam |
| Role | Express |
| Whyte | 4-6-2 |
| UIC | 2′C1′ |
| Wheel arrangement | 4-6-2 |
| Gauge | 1,435 mm — standard gauge |
| Quantity built | 35 |
| Power | Three cylinders; well over 2,000 drawbar horsepower at speed |
| Tractive effort | 35,455 lbf |
| Top speed | 203 km/h · 126 mph |
| Weight | 102 long tons 19 cwt engine |
| Length | 71 ft over the buffers with corridor tender |
| Status | Preserved |