Württemberg Ts 4

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.

Württemberg Ts 4
DRG Class 99.17
Number(s)Nr. 1–3
99 171–173
Quantity3
ManufacturerMaschinenfabrik Esslingen
Year(s) of manufacture1891, 1899
Retired1931
Axle arrangementD n2t
TypeK 44.8
Track gauge1,000 mm (3 ft 3 3⁄8 in)
Length over buffers8,130 mm
Height3,540 mm
Width2,200 mm
Wheelbase2,250 mm
Overall wheelbase2,250 mm
Empty weight23.65 t
Service weight29.80 t
Adhesive weight29.80 t
Top speed30 km/h
Driving wheel diameter900 mm
Valve gearKlose
No. of cylinders2
Cylinder bore340 mm
Piston stroke500 mm
Boiler Overpressure12 kp/cm2
117.7 N/cm2
Grate area1.02 m2
Evaporative heating area70.2 m2
Water capacity2.4 m3
Fuel0.75 t coal

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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