Mecklenburg T 7

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Mecklenburg T 7
DRG Class 99.30
Number(s) MFFE 1005–1007
99 301–303
Quantity 3
Manufacturer Henschel
Year(s) of manufacture 1910–14
Retired 1948
Wheel arrangement 0-6-0
Axle arrangement C n2t
Type K.33.6
Track gauge 900 mm (2 ft 11 716 in)
Length over buffers 5,650 mm (18 ft 6 in)
Height 3,330 mm (10 ft 11 in)
Overall wheelbase 1,800 mm (5 ft 11 in)
Empty weight 13 t
Service weight 16.2 t
Adhesive weight 16.2 t
Top speed 30 km/h (19 mph)
Indicated Power 125 PS / 92 kW
Starting tractive effort 22.95 kN
Driving wheel diameter 700 mm (28 in)
Valve gear Stephenson
No. of cylinders 2
Cylinder bore 260 mm (10 in)
Piston stroke 400 mm (16 in)
Boiler Overpressure 12 bar
Grate area 0.56 m2 (6.0 sq ft)
Radiative heating area 2.64 m2 (28.4 sq ft)
Evaporative heating area 30.05 m2 (323.5 sq ft)
Water capacity 1.7 m3 (370 imp gal)
Fuel 0.75 t coal

The Mecklenburg T 7 engines were German, six-coupled, narrow gauge, steam locomotives with the Grand Duchy of Mecklenburg Friedrich-Franz Railway (Großherzoglich Mecklenburgische Friedrich-Franz-Eisenbahn). They were employed on the Bäderbahn between Bad Doberan and Heiligendamm. They replaced the existing vehicles after the line had been extended to 15.4 kilometres to Arendsee. The three engines, which were later given the numbers 99 301 - 99 303 in the 1920s by the Deutsche Reichsbahn, were delivered in 1910, 1911 and 1914. The design of these locomotives was heavily based on those of the Class T 3 from Prussia. Later, two units went to the so-called Rübenbahn ('Turnip Railway'), the branch line from Tangermünde to Lüderitz. No. 99 302 was retired in 1932, the other two were given to the USSR in 1945 as reparations.

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Literature[edit]

  • Obermayer, Horst J. (1971). Taschenbuch Deutsche Schmalspur-Dampflokomotiven (in German). Stuttgart: Franckh. ISBN 3-440-03818-1. [page needed]