Prussian G 5.1

Prussian G 5.1 DRG Class 54.0
Number(s)	DRG 54 001–071
Quantity	268
Year(s) of manufacture	1892 - 1902
Retired	1929
Wheel arrangement	2-6-0
Axle arrangement	1'C n2
Length over buffers	15,990 mm
Service weight	48.5 t
Adhesive weight	39.9 t
Axle load	13.7 t
Top speed	65 km/h
Driving wheel diameter	1,350 mm
Leading wheel diameter	1,000 mm
No. of cylinders	2
Cylinder bore	450/480 mm
Piston stroke	630 mm
Boiler Overpressure	10/12 bar
Grate area	2.29 m²
Evaporative heating area	137.00 m²
Tender	pr 3 T 12
Water capacity	12.0 m³

The Prussian Class G 5.1 steam engines were the first 2-6-0 goods locomotives in Europe. They were developed for the Prussian state railways from the Class G 4 and a total of no less than 268 units of this class were placed in service in Prussia between 1892 and 1902. The twin-cylinder G 5.1 had been designed to raise the speed of goods trains on main lines. In addition, more powerful engines were needed for the increasingly heavy train loads. The locomotives, which were equipped with a compressed air brake, were used in charge of fast goods trains (Eilgüterzugdienst) and also passenger trains due to their impressive top speed of 65 km/h. The G 5.1 was fitted with inside Allan valve gear and the carrying wheels were of the Adams axle design.

In 1923 the Reichsbahn listed 169 G 5.1's as nos. 54 001 - 168 and 54 182 as part of their renumbering plan for steam locomotives; in 1925 only 71 examples, with running numbers 54 001 - 54 071 were recorded. The locomotives were all retired by 1930.

During the Second World War, three G 5.1 returend to the Reichsbahn fleet from Poland and were numbered 54 601 - 603.

The engines were coupled with tenders of Class pr 3 T 12.

Classes of Prussian locomotive and railcars

Express train locomotives	S 1 S 2 S 3 S 4 S 5.1 S 5.2 S 6 S 7 S 8 S 9 (Exp.) S 9 S 10 S 10.1 S 10.2 S 11

Passenger and express train locomotives	P 1 P 2 P 3 P 3.1 P 3.2 P 4 P 4.1 P 4.2 P 6 P 7 P 8 P 10

Goods train locomotives	G 1 G 2 G 3 G 4.1 G 4.2 G 4.3 G 5.1 G 5.2 G 5.3 G 5.4 G 5.5 G 7.1 G 7.2 G 7.3 G 8 G 8.1 G 8.2 G 8.3 G 9 (Mallet) G 9 G 10 G 12 (C.F.O.A) G 12 G 12.1

Tank locomotives	T 0 T 1 T 2 T 2/T 4 T 2.1 T 2/T 3/T 4 T 3 T 4 T 4.1 T 4.2 T 4.3 T 5.1 T 5.2 T 6 T 7 T 8 T 9 Elberfeld T 9 Langenschwalbach T 9.1 T 9.2 T 9.3 T 10 T 11 T 12 T 13 Hagans T 13.1 T 14 T 14.1 T 14 (Exp.) T 15 T 16 (Exp.) T 16 T 16.1 T 18 T 20 T 26 T 28

Narrow gauge locomotives	T 31 T 32 T 33 T 34 T 35 T 36 T 37 T 38 T 39 T 40

Electric locomotives	to follow

Railbuses	to follow

Prussian state railways

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Prussian G 5.1

See also