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Preserved LocomotivesSteam Locomotive Ex GWR/BR steam locomotive 1442

1935 number 4842, a 1400 Class 0-4-2T tank engine

Heritage & Preserved Steam Locomotive Engines

My Archive Steam Photos from the 1960s

Ex GWR Collett design 1400 CLASS 0-4-2T tank engine locomotive 1442 or 4842 (current number!) built at Swindon Railway Works in 1936. These were push & pull fitted locos.

Technical details of locomotive 1442/4842: Boiler pressure of 1442/4842: 165 lbf/sq.in., Weight of 1442/4842: 41.3 tons, Wheel diameter of 1442/4842: 5' 2'', 3' 8", Valve gear of 1442/4842: Stephenson slide valves, Cylinders of 1442/4842 (diameter x stroke): 16" x 24" (I), Tractive effort of 1442/4842:  lbf., Power classification of  1442/4842: Class Unclassified 1P

Ex GWR Collett design 1400 CLASS 0-4-2T tank engine locomotive 1442 or 4842 (current number!) built at Swindon Railway Works in 1935. These were push & pull fitted locos.

PICTURES NEEDED, but see also

BR 1450 GWR 4850 Class 1400 tank locomotive

BR 1466 Locomotive Ex GWR 4866 1400 Class 0-4-2T tank engine

steam locomotive 1466 4850 1400 class

 

Didcot Railway Centre

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GWR 1400 Class
From Wikipedia, the free encyclopedia
GWR 4800 class (later 1400 class)
4866 Didcot (1).jpg
4866, one of the four preserved 1400 Class 0-4-2T
Type and origin
Power type Steam
Designer Charles Collett
Builder GWR Swindon Works
Order number Lots 279, 287, 288
Build date 19321936
Total produced 75
Specifications
Configuration:

Whyte 0-4-2T
UIC B1 nt
Gauge 4 ft 8 1⁄2 in (1,435 mm) standard gauge
Driver dia. 5 ft 2 in (1.575 m)
Trailing dia. 3 ft 8 in (1.118 m)
Wheelbase 15 ft 6 in (4.72 m)
Length 29 ft 11 in (9.12 m)
Width 8 ft 7 in (2.616 m)
Height 12 ft 6 1⁄4 in (3.816 m)
Axle load 13 long tons 18 cwt (31,100 lb or 14.1 t)
(15.6 short tons) full
Adhesive weight 27 long tons 8 cwt (61,400 lb or 27.8 t)
(30.7 short tons) full
Loco weight 41 long tons 6 cwt (92,500 lb or 42 t)
(46.3 short tons) full
Fuel type Coal
Fuel capacity 2 long tons 13 cwt (5,900 lb or 2.7 t)
(3.0 short tons)
Water cap 800 imp gal (3,600 l; 960 US gal)
Firebox:
Firegrate area 12.8 sq ft (1.19 m2)
Boiler pressure 165 psi (1.14 MPa)
Heating surface:
Tubes 869.8 sq ft (80.81 m2)
Firebox 83.2 sq ft (7.73 m2)
Superheater None
Cylinders Two, inside
Cylinder size 16 in 24 in (406 mm 610 mm)
Valve gear Stephenson
Valve type Slide valves
Train heating Steam
Train brakes Vacuum
Performance figures
Tractive effort 13,900 lbf (62 kN)
Career
Operators GWR BR
Class 4800, later 1400
Power class GWR: Unclassified,
BR: 1P
Numbers 48004874, later 14001474
Axle load class GWR: Unclassified
Withdrawn 19561965
Preserved 1420, 1442, 1450, 1466
Disposition Four preserved, remainder scrapped
The GWR 1400 Class is a class of steam locomotive designed by the Great Western Railway for branch line passenger work. It was originally classified as the 4800 Class when introduced in 1932, and renumbered in 1946.

Although credited to Collett, the design dated back to 1868 with the introduction of the George Armstrong 517 class.
Precursors
Like the 48xx/14xx, the 517 Class was a lightweight loco for branchline work; it was built at Wolverhampton Works between 1868 and 1885.

In this period evolutionary changes included:

side tanks built 1884-1885
Later gradual changes included: Belpaire fireboxes, boilers rated at 165 psi (1.14 MPa) as opposed to 150 psi (1.0 MPa), full cabs, extended bunkers and the progressive conversion of short wheelbase locos to 15 ft 0 in (4.57 m) or 15 ft 6 in (4.72 m). From 1924 onwards, several were converted to run with an autocoach, and in this configuration were the direct ancestors of the 48xx class.

In this form, the updated 517's were but a small step away from the 48xx. The wheelbase was still 15 ft 6 in (4.72 m), the boiler still rated at only 165 psi (1.14 MPa), and the wheels 5 ft 2 in (1,575 mm) and 3 ft 8 in (1,118 mm). New was the Collett-style cab and bunker and the boiler nominally to a new design. A three bar crosshead was added to the motion. This was a 1924 innovation introduced with the GWR 5600 Class and also seen in the 1930s-built 5400, 6400 and 7400 classes of pannier tanks.

Into service
The 4800 Class was designed as a more modern version of the 517 Class, which were by then beginning to show their relative age. The first locomotive, No 4800, was built by Swindon Works and entered service in 1932, with a further seventy-four engines of this type following up to 1936. During this period, Swindon also built twenty 5800 Class engines, which were broadly similar but which were not fitted with autotrain equipment or the Swindon top feed as later fitted to a number of 4800 class engines.

The 4800 Class locomotives retained their original numbers until the GWR decided to experimentally convert twelve 2800 Class 2-8-0s for oil-firing. It was decided that the converted engines would be reclassified as the 4800 Class and so the 75 tank locomotives already carrying this designation were reclassified as the 1400 Class with running numbers 1400-1474. The engines did not revert to their original classification after the experiment ended in 1948.

The 1400 Class was designed to work with the GWR design of autocoach, a specialist coach designed for push-pull working and which could also be used with engines of other classes such as the 517's, the GWR 5400 Class, the GWR 6400 Class and the older GWR 2021 Class. This lack of auto gear was the cause of earlier scrapping of the 5800 Class as there was no work for them. The last, no. 5815, was withdrawn from Swindon shed in April 1961. GWR 4800 Class 1442 1 GWR 4800 Class 4842

The auto-fitted locos fared little better; scrapping commenced in 1956 and all were withdrawn by early 1965. Nos. 1442 and 1450 were withdrawn from Exmouth Junction shed in May 1965. GWR 4800 Class 1442 2 GWR 4800 Class 4842 By the early 1960s several had been 'in store' (parked in an out-of-the-way siding with a tarpaulin over the chimney) for some time, being occasionally steamed to replace failed diesels.


 

 

Preserved LocomotivesHOMEPAGE for all of Phil and Molly's PicsMy Archive Steam Photos from the 1960s

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Good trainspotting 'TRAINSPOTS' Good trainspotting and photographic locations  Barnetby Station, North Lincolnshire  *  Carlisle Station  *  Clapham Junction Station, London  *  Colton Junction, south of York  *  Crewe Station  *  Doncaster Station, South Yorkshire  * Hellifield station - Carlisle to Settle line * Lancaster station  * Newcastle Station  *  Northallerton Station  *  Nuneaton Station  *  Sheffield Station  *  Stratford Station, East London * Warrington Bank Quay station * Wigan North Western - WCML York Station

See Also * Class 01 * Class 02 * Class 03 * Class 04 * Class 08 * Class 09 * Class 10 * Class 11 * Class 14 * Class 20 * Class 24 * Class 25 * Class 26 * Class 27 * Class 31 * Class 33 * Class 35 * Class 37 * Class 40 * Class 43 * Class 44 * Class 45 * Class 47 * Class 50 * Class 52 * Class 55 * Class 56 * Class 57 * Class 58 Class 60 * Class 66 * Class 67 * Class 68 * Class 70 * Class 71 * Class 73 * Class 76 * Class 77 * Class 86 * Class 87 * Class 88 * Class 90 * Class 91 * Class 92 * Derby Lightweight * Class 101 * Class 108 * Class 114 * Class 117 * Class 121 * Class 122 * Class 127 * Class 141 * Class 142 * Class 144 * Class 150 * Class 153 * Class 155 * Class 156 * Class 158 * Class 159 * Class 165 * Class 166 * Class 170 * Class 175 * Class 180 * Class 185 * Class 220 * Class 221 * Class 222 * Class 252 * Class 313 * Class 315 * Class 317 * Class 319 * Class 320 * Class 321 * Class 322 * Class 323 * Class 325 * Class 332 * Class 333 * Class 334 * Class 350 * Class 357 * Class 360 * Class 365 * Class 373 * Class 375 * Class 376 * Class 377 * Class 378 * Class 379 * Class 380 * Class 387 * Class 390 * Class 395 * Class 414 * Class 423 * Class 442 * Class 444 * Class 450 * Class 455 * Class 458 * Class 460 * Class 465 * Class 466 * Class 507/508 * Class 3000 *

IMAGES OF PRESERVED STEAM LOCOMOTIVES

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