Württemberg Ts 4

Württemberg Ts 4
DRG Class 99.17
Number(s) Nr. 1–3
99 171–173
Quantity 3
Manufacturer Maschinenfabrik Esslingen
Year(s) of manufacture 1891, 1899
Retired 1931
Axle arrangement D n2t
Type K 44.8
Gauge 1,000 mm (3 ft 3 3⁄8 in)
Length over buffers 8,130 mm
Height 3,540 mm
Width 2,200 mm
Overall wheelbase 2,250 mm
Empty weight 23.65 t
Service weight 29.80 t
Adhesive weight 29.80 t
Top speed 30 km/h
Driving wheel diameter 900 mm
Valve gear Klose
No. of cylinders 2
Cylinder bore 340 mm
Piston stroke 500 mm
Boiler Overpressure 12 kp/cm²
117.7 N/cm²
Grate area 1.02 m²
Evaporative heating area 70.2 m²
Water capacity 2.4 m³
Fuel 0.75 t coal

The DRG Class 99.17, formerly the Württemberg Ts 4 of the Royal Württemberg State Railways were German narrow gauge steam locomotives bought for working the 15.11 kilometre long route between the towns of Altensteig and Nagold. The three tank locomotives had an outer frame and a Klose drive. The first and third axles were steered by the third, radially-sliding axle by means of a system of levers. The second axle was driven by the inside cylinder and had no wheel flanges. Overall the system was very reliable, but nevertheless also very maintenance-intensive.

The engines were delivered in 1891, 1892 and 1899, and later all taken over by the Reichsbahn. There they were given numbers 99 171–99 173. They also had the names Altensteig, Berneck and Ebhausen

See also

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