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BR standard class 2 2-6-2T
Crewe Works, British Railways (BR) 84002
Type and origin Power type Steam Designer R. A. Riddles Builder Crewe Works (20) Darlington Works (10) Build date July 1953 – June 1957 Total produced 30
Specifications Configuration: ​  • Whyte 2-6-2T  • UIC 1′C1′ h2t Gauge 4 ft 8+1⁄2 in (1,435 mm) Leading dia. 3 ft 0 in (0.914 m) Driver dia. 5 ft 0 in (1.524 m) Trailing dia. 3 ft 0 in (0.914 m) Length 38 ft9+1⁄2 in (11.82 m) Width 8 ft7+1⁄2 in (2.63 m) Height 12 ft9+1⁄2 in (3.90 m) Axle load 14 long tons (14 t; 16 short tons) Adhesive weight 41.25 long tons (41.91 t; 46.20 short tons) Loco weight 66.05 long tons (67.11 t; 73.98 short tons) Fuel type Coal Fuel capacity 3 long tons (3.0 t; 3.4 short tons) Water cap. 1,350 imp gal (6,100 L; 1,620 US gal) Firebox: ​  • Grate area 17.5 sq ft (1.63 m2) Boiler BR8 Boiler pressure 200 psi (1.38 MPa) Heating surface: ​  • Firebox 101 sq ft (9.4 m2)  • Tubes and flues 924 sq ft (85.8 m2) Superheater: ​  • Heating area 124 sq ft (11.5 m2) Cylinders Two, outside Cylinder size 16.5 in × 24 in (419 mm × 610 mm)
Performance figures Tractive effort 18,513 lbf (82.35 kN) Factor of adh. 5.0
Career Operators British Railways Power class 2MT Numbers 84000–84029 Axle load class Route availability 3 Withdrawn November 1963 – January 1966 Disposition All original locomotives scrapped; one being converted fromtender version

TheBritish Railways standard class 22-6-2T was a class of steam locomotive, one of thestandard classes of the 1950s.

The class was designed atDerby Works and introduced in 1953. The design derived from theLMS Ivatt Class 2 2-6-2T which BR had built after nationalisation. Modifications were made to the Ivatt design including a reduced cab to reduce theloading gauge and some standard fittings. BR classified them 2MT, emphasising a mixed-traffic role.

As most services which required 2MT 2-6-2Ts were already served by the 130 Ivatt engines, B.R. only ordered 30 engines, which eliminated pre-grouping steam locomotives as much as possible on local services.

The first 20 engines were outshopped atCrewe Works, and intended for use on ex-London Midland and Scottish Railway routes, then known as the London Midland Region.The second batch, this time built atDarlington Works, and were also the final steam locomotives built at Darlington were numbered 84020–84029, and intended for Southern Region lines.

Only two liveries were carried by the 2MTs- British Railway lined black with theearlier and later emblems. Although all locomotives received the latter, only 84000–84019 received the early emblem as the Darlington built locomotives were constructed in 1957, following the 1956 changeover to the late crest. The Darlington engines carried large 10-inch (25.4 cm) high cab-side numerals, whilst the Crewe engines carried standard 8-inch (20.3 cm) high numerals.

The LMR locomotives were used on push-pull routes, and were often allocated alongside the Ivatt 2MT 2-6-2T engines with which they shared most of their origins. Numbers 84021–84029, the Southern Region locomotives were all allocated to the Eastern Section depot atAshford for use on the lines over Romney Marsh and local trains on the Margate via Canterbury West route. Most were transferred away to the North Eastern Region in the early 1960s following electrification, but several locomotives (including some of the LMR allocation) were re-allocated to Eastleigh in 1965 for possible use on theIsle of Wight, replacing life-expiredLSWRO2 class engines, which were all over 70 years old by then. However, this plan did not cover a coaching stock replacement, and thus the locomotives were ultimately scrapped.

None of the class was preserved, although their size and configuration would have made them an ideal choice for use onheritage railways. However, fourBR Standard Class 2 2-6-0 locomotives – the tender-equipped equivalent – did survive, and one of these, 78059, is being rebuilt into 2-6-2T "84030". This takes the next number in the original series. 78059 was chosen primarily because it lost its tender, one of several sold off while atWoodham Brothers scrapyard. Further reasons cited by theBluebell Railway (where 78059 is based) are the suitability of the locomotive class for the railway's service trains, and because the tender version of the class was never allocated to theSouthern Region, while the tank engine verson is more appropriate for the Bluebell's Southern location.

As of 2013 78059 was considered no longer existent, as the fitting of the hind engine frame extensions thus turned it into 84030.^[1][2]

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