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German Federal Railway class 65
Germany | 1951 | 18 produced
65 018 in use at Stoom Stichting Nederland in October 2015
65 018 in use at Stoom Stichting Nederland in October 2015
Frans Berkelaar

The second tank locomotive within the new construction program of the Federal Railways was a locomotive with the 2-8-4T wheel arrangement, which was intended for passenger and freight trains on shorter distances within urban areas. The maximum speed of 85 km/h was sufficient for this area of application and with an axle load of almost 17 tonnes, it could also be used on many secondary routes. Production comprised 13 engines in 1951 and five more between 1955 and 1956. The last seven units were factory-equipped with multiple controls and were intended for the Ruhr Valley Railway between Düsseldorf and Essen.

Technically, they corresponded to the other new-build locomotives of the Bundesbahn, i.e. they had a welded high-performance boiler and a fully enclosed driver's cab. During the construction period there were some adjustments to the design. A surface preheater was used on the engines of the 1951 series and a mixing preheater on the later ones. Improvements were also made to the chassis in terms of running characteristics and the water tank on the later engines was no longer welded to the cab, as this had led to problems.

If you compare the reserves with the somewhat heavier 6510 of the Reichsbahn, it is noticeable that the coal reserve here was only 4.8 tonnes compared to nine tonnes for the Reichsbahn locomotive. This limited the operational area of the locomotives from the Bundesbahn, since the range was too small for many applications. As with all new build steam locomotives, the service life was very short. As early as 1966 the first ones were retired and road number 65 018 was the last in 1972. This is kept operational in the Netherlands today.

General
Built1951, 1955-1956
ManufacturerKrauss-Maffei
Axle config2-8-4T (Berkshire) 
Gauge4 ft 8 1/2 in (Standard gauge)
Dimensions and Weights
Length50 ft 9 1/4 in
Wheelbase39 ft 3 1/4 in
Fixed wheelbase17 ft 2 11/16 in
Empty weight179,015 lbs
Service weight237,217 lbs
Adhesive weight149,032 lbs
Axle load37,258 lbs
Water capacity3,778 us gal
Fuel capacity10,582 lbs (coal)
Power
Power sourcesteam
Indicated power1,462 hp (1,090 kW)
Optimal speed24 mph
Top speed53 mph
Starting effort38,253 lbf
Power Plant
Driver diameter59.1 in
Boiler pressure203 psi
Expansion typesimple
Cylinderstwo, 22 7/16 x 26 in
Boiler
Grate area28.7 sq ft
Firebox area159.3 sq ft
Tube heating area1,346.9 sq ft
Evaporative heating area1,506.2 sq ft
Superheater area677 sq ft
Total heating area2,183.2 sq ft
Calculated Values
steam locomotive
passenger
freight
suburban
tank locomotive
last changed: 01/2022
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