LNWR 19in Express Goods Class

LNWR 19-inch Goods
Type and origin
Power type Steam
Designer George Whale
Builder Crewe Works
Serial number 4600–19, 4640–59, 4690–4769, 4790–4819, 4870–89
Build date 1906–1909
Total produced 170
Specifications
Configuration 4-6-0
UIC classification 2′C n2
Gauge 4 ft 8 1⁄2 in (1,435 mm)
Leading wheel
diameter		 3 ft 3 in (0.991 m)
Driver diameter 5 ft 2 1⁄2 in (1.588 m)
Locomotive weight 63 long tons (64 t)
Fuel type Coal
Heating surface:
– Total		 1,984.8 sq ft (184.39 m2)
Cylinders Two
Cylinder size 19 in × 26 in (483 mm × 660 mm)
Valve gear Joy
Valve type Balanced slide valves
Career
Operator(s) London and North Western Railway
→ London, Midland and Scottish Railway
Power class LMS: 4F
Nicknames Experiment Goods
Withdrawn 1931–1950
Disposition All scrapped

The London and North Western Railway (LNWR) 19in Express Goods Class, otherwise known as the Experiment Goods Class was a class of 4-6-0 steam locomotives. They were essentially a smaller wheeled version of the Whale's Experiment Class and were an early attempt at a mixed traffic engine.

Crewe built 170 engines between 1906 and 1909. The LNWR reused numbers from withdrawn locomotives, so the numbering was haphazard. All passed onto LMS ownership in 1923. The LMS gave them the power classification 4F. The LMS renumbered them into the more logical series 8700–8869. Withdrawals started in 1931. British Railways acquired three 8801/24/34 in 1948, but all were withdrawn by 1950 before they could receive their allocated numbers 48801/24/34. None was preserved.

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