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LNWR Class G2A
Class G2A No. 9376 at Crewe, 2 May 1948
Type and origin
Power type
Steam
Designer
Charles Bowen Cooke
Number rebuilt
327 (from G1)
Specifications
Configuration:
• Whyte
0-8-0
• UIC
D h2
Gauge
4 ft 8+1⁄2 in (1,435 mm)
Driver dia.
4 ft 5+1⁄2 in (1.359 m)
Loco weight
62 long tons 0 cwt (138,900 lb or 63 t)
Fuel type
Coal
Boiler pressure
175 psi (1.21 MPa)
Cylinders
Two, inside
Cylinder size
20+1⁄2 in × 24 in (521 mm × 610 mm)
Valve type
Joy
Performance figures
Tractive effort
28,045 lbf (124.8 kN)
Career
Operators
LNWR » LMS » BR
Power class
BR: 7F
Nicknames
Super D
The London and North Western Railway (LNWR) Class G2A was a class of 0-8-0 steam locomotives. They were upgraded from LNWR Class G1 principally by the fitting of a higher pressure boiler. Some of the G2As subsequently received lower pressure boilers on overhaul, taking them back into Class G1.
London and North Western Railway (LNWR) ClassG2A was a class of 0-8-0 steam locomotives. They were upgraded from LNWRClass G1 principally by the fitting...
engines, they were not rebuilt from or into other classes. Somewhat confusingly, the LNWRClassG2a is sometimes considered a subclass, but not in this...
North Western Railway (LNWR) Class G1 was a class of 0-8-0 steam locomotives. It was a superheated version of the LNWRClass G with 8 inch piston valves...
and 1912. All Class D locomotives were later rebuilt to Class G1. Some of them, rebuilt to ClassG2a, were still running in 1962. The LNWR letter classification...
series. They had four ex-LNWR Special Tanks, Numbers 3, 6, 7 and 8. For completeness, Irish locomotives will be given here. Class WT locomotives were built...
design used extensively on the L&YR and LNWR in England, and elsewhere. A preserved example is LNWRG2aClass number 49395. Marshall valve gear - a modified...
over by London, Midland and Scottish Railway which was the successor to the LNWR. It was during this period that the works reached its zenith in size and...
remain in service with British Railways were the LNWR G2 and G2AClasses, of which one of the former class is preserved. There is a modified Joy gear designed...
design used extensively on the L&YR and LNWR in England, and elsewhere. A preserved example is LNWRG2aClass number 49395. Marshall valve gear - a modified...
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