Metropolitan Railway H Class
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| Power type | Steam |
|---|---|
| Designer | Charles Jones |
| Builder | Kerr Stuart |
| Build date | 1920–1921 |
| Total production | 8 |
| Configuration | 4-4-4T |
| UIC classification | 2'B2'ht |
| Gauge | 4 ft 8½ in (1,435 mm) |
| Leading wheel size | 36 in (910 mm) |
| Driver size | 69 in (1,800 mm) |
| Trailing wheel size | 36 in (910 mm) |
| Wheelbase | 33.5 ft (10,200 mm) |
| Length | 41ft 10½ in |
| Locomotive weight | 78.25 long tons (79.5 t) |
| Fuel type | Coal |
| Fuel capacity | 4.00 long tons (4.1 t) |
| Water capacity | 2,000 imp gal (9,100 l) |
| Boiler pressure | 160 psi (1.1 MPa) |
| Fire grate area | 21.4 sq ft (1.99 m²) |
| Heating surface: Tubes | 744 sq ft (69.1 m²) |
| Heating surface: Flues | 281 sq ft (26.1 m²) |
| Heating surface: Firebox | 132 sq ft (12.3 m²) |
| Superheater area | 164 sq ft (15.2 m²) |
| Cylinders | Two, outside |
| Cylinder size | 19×26 in (487×660 mm) |
| Tractive effort | 18,500 lbf (82 kN) |
| Career | Metropolitan Railway London and North Eastern Railway |
| Class | MET: H LNER: H2 |
| Number | MET: 103–110 LNER: 6415–6422 |
| Disposition | All scrapped |
The Metropolitan Railway H class consisted of eight 4-4-4T steam locomotives, numbered 103 to 110. They were built by Kerr Stuart in 1920.
The H Class were intended for the Express passenger trains on the Metropolitan Railway mainline from Harrow (later Rickmansworth), where they swapped with the electric locomotives, to Aylesbury or Verney Junction. They were considered to be good engines well suited to the express trains they worked.
When the steam hauled services were handed to the LNER in 1937, all eight H class locomotives were transferred to the LNER to continue on the same trains. The LNER numbered them 6415–6422 and classified them as H2 class.
In the 1940s, they were moved away from Neasden (LNER) shed to the Nottingham area and worked over other parts of the former Great Central Railway system.
All were withdrawn and scrapped between 1942 and 1947.
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