Saxon III DRG Class 34.76
Manufacturer:	Hartmann Sächsische Maschinenfabrik The Sächsische Maschinenfabrik in Chemnitz was one of the most important engineering companies in Saxony in the second half of the 19th century and the first two decades of the 20th century. Including its various predecessor businesses, the firm existed from 1837 until its liquidation in 1930, and...	Esslingen Maschinenfabrik Esslingen Maschinenfabrik Esslingen , was a German engineering firm that manufactured locomotives, tramways, railway wagons, roll-blocks, technical equipment for the railways, , bridges, steel structures, pumps and boilers.-Founding:...
Quantity:	66	21
Numbers:	sä III 201-266 ab 1916: 243-280 DRG 34 7611	sä III 267-273 ab 1916: 281-284
Years of manufacture:	1871 / 1873	1872
Retired:	n.k.
Axle arrangement UIC classification The UIC classification of locomotive axle arrangements describes the wheel arrangement of locomotives, multiple units and trams. It is set out in the International Union of Railways "Leaflet 650 - Standard designation of axle arrangement on locomotives and multiple-unit sets". It is used in much... :	1'B n2
Length over buffers Buffer (rail transport) A buffer is a part of the buffers-and-chain coupling system used on the railway systems of many countries, among them most of those in Europe, for attaching railway vehicles to one another.... :	13.035 mm
Top speed:	70 km/h
Driving wheel Driving wheel On a steam locomotive, a driving wheel is a powered wheel which is driven by the locomotive's pistons...  diameter:	1,560 mm
Carrying wheel diameter:	1,035 mm
Adhesive weight:	25.76 t
Service weight:	37.17 t
Axle load:	n.k.
Indicated power:	n.k.
Boiler overpressure:	8 bar
Cylinder bore:	406 mm
Piston stroke:	560 mm
Grate area:	1.60 m2
Evaporative heating area:	91.93 m2
Tender class:	sä 3 T 5.56

The Saxon Class III were early, four-coupled, tender locomotives operated by the Royal Saxon State Railways

Royal Saxon State Railways

The Royal Saxon State Railways were the state-owned railways operating in the Kingdom of Saxony from 1869 to 1918...

 for express services. The Deutsche Reichsbahn

Deutsche Reichsbahn

Deutsche Reichsbahn was the name of the following two companies:* Deutsche Reichsbahn, the German Imperial Railways during the Weimar Republic, the Third Reich and the immediate aftermath...

 grouped these engines in 1925 into their DRG Class 34.76.

History

The Saxon III was built in 1871 and 1872 by the Hartmann

Sächsische Maschinenfabrik

The Sächsische Maschinenfabrik in Chemnitz was one of the most important engineering companies in Saxony in the second half of the 19th century and the first two decades of the 20th century. Including its various predecessor businesses, the firm existed from 1837 until its liquidation in 1930, and...

 (66 examples) and the Maschinenfabrik Esslingen

Maschinenfabrik Esslingen

Maschinenfabrik Esslingen , was a German engineering firm that manufactured locomotives, tramways, railway wagons, roll-blocks, technical equipment for the railways, , bridges, steel structures, pumps and boilers.-Founding:...

 (21 examples). Fourteen of the Esslingen engines were subsequently given a Nowotny-Klien bogie instead of the original fixed leading wheels and were then reclassified as the IIIb

Saxon IIIb

The Saxon Class III b were German steam locomotives built for the Royal Saxon State Railways in the late 19th century as tender locomotives for express train duties...

.

The Reichsbahn only took over one of the unmodified engines - no. 274 BRÜNN and number her as locomotive 34 7611.

Source

External links

• Technical data and photographs of historic locomotives
• There is a relevant English-language forum at Railways of Germany