Sir William Stanier's London, Midland and Scottish Railway (LMS) Class 4P 2-Cylinder 2-6-4T was a class of 206 steam locomotive built between 1935 and 1943. They were based on his LMS 3-Cylinder 2-6-4T.
Accidents and incidents[]
- On 15 August 1953, locomotive No. 42474 was hauling a passenger train which collided with an electric multiple unit that overran signals at Irk Valley Junction, Manchester, Lancashire. The junction is on a viaduct, and one of the carriages of the electric multiple unit plunged 40 feet (12 m) into the River Irk. Ten people were killed and 58 were injured.
Numbering[]
| Number (LMS) | Number (BR) | Lot No. | Built | Builder |
|---|---|---|---|---|
| 2425–75 | 42425–75 | 128 | 1937 | Derby |
| 2476–94 | 42476–94 | 128 | 1936 | Derby |
| 2537–44 | 42537–44 | 127 | 1935 | Derby |
| 2545–2609 | 42545–609 | 133 | 1936 | North British |
| 2545–2609 | 42610–17 | 133 | 1937 | North British |
| 2618–51 | 42618–51 | 144 | 1938 | Derby |
| 2652 | 42652 | 144 | 1939 | Derby |
| 2653 | 42653 | 148 | 1940 | Derby |
| 2654–62 | 42654–62 | 148 | 1941 | Derby |
| 2663–70 | 42663–70 | 148 | 1942 | Derby |
| 2671/2 | 42671/2 | 148 | 1943 | Derby |
Trivia[]
- A Thomas YouTuber dcg12b in his mini spin-off series called "Jimmy the Jinty" used this to be the basis for William the Big Grumpy Stanier Tank Engine, with William being a mixed between a 2-cylindered and 3-cylindered Stanier 2-6-4T.
- They were based on LMS 3-Cylinder 2-6-4T.
- They were the basis for the LMS Fairburn 2-6-4T.




