Saxon IX V

The Saxon Class IX Vs were German, eight-coupled, tender locomotives built for the Royal Saxon State Railways (Königlich Sächsische Staatseisenbahnen) for goods train duties.

Saxon IX V, IX HV
DRG Class 56.5–6
Number(s)
  • IX V: KSäStE 750–770 → DRG 56 501–516
  • IX HV: KSäStE 771–800 → DRG 56 601–625
Quantity50
ManufacturerSächsische Maschinenfabrik
Year(s) of manufacture
  • IX V: 1902–1905
  • IX HV:1907–1908
Wheel arrangement2-8-0
Axle arrangement1′D n2v
Length over buffers17,514 mm (57 ft 5 1⁄2 in)
Service weight72 t (71 long tons; 79 short tons)
Adhesive weight60 t (59 long tons; 66 short tons)
Axle load15 t (15 long tons; 17 short tons)
Top speed50 km/h (31 mph)
Indicated Power1,300 PS (956 kW; 1,280 hp)
Driving wheel diameter1,260 mm (4 ft 1 5⁄8 in)
Leading wheel diameter1,065 mm (3 ft 5 7⁄8 in)
LP cylinder bore770 mm (30 3⁄8 in)
HP cylinder bore530 mm (20 7⁄8 in)
Piston stroke630 mm (24 3⁄4 in)
Boiler Overpressure14.0 kg/cm2 (1.37 MPa; 199 psi)
Grate area3.17 m2 (34.1 sq ft)
Evaporative heating area180.56 m2 (1,943.5 sq ft)

History

These steam locomotives were brought into service, after it was clear that the Saxon Class I V (later DRG Class 55) could no longer the demands placed on it. The locomotive had a hollow, Klien-Lindner axle at the back and, initially, a long steam collection pipe above the centre of the boiler which was replaced on later models by two steam domes and a connecting pipe. Twenty machines were delivered by the firm of Hartmann as wet steam engines, a further 30 with a Schmidt smoke tube superheater.

The Deutsche Reichsbahn took over 16 of the first series and gave them the running numbers 56 501–56 516. Of the second batch, 25 were taken on with numbers 56 601–56 625.

The vehicle were coupled with tenders of Saxon classes sä 3 T 9, sä 3 T 12 or sä 3 T 13.

See also
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