Prussian T 16
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| Number(s) | DR 94 201–464, 468–490, 501 |
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| Year(s) of manufacture | 1905–1913 |
| Retired | 1968 |
| Axle arrangement | E h2t |
| Type | Gt 55.17 |
| Track gauge | 1,435 mm (4 ft 8 1⁄2 in) |
| Length over buffers | 12,500 mm (41 ft 1⁄4 in) |
| Service weight | 75.6 tonnes (74.4 long tons; 83.3 short tons) |
| Adhesive weight | 75.6 tonnes (74.4 long tons; 83.3 short tons) |
| Axle load | 16.5 tonnes (16.2 long tons; 18.2 short tons) |
| Top speed | 40 km/h (25 mph) |
| Indicated Power | 787 kW (1,070 PS; 1,055 hp) (1070 PSi) |
| Driving wheel diameter | 1,350 mm (4 ft 5 1⁄8 in) |
| No. of cylinders | 2 |
| Cylinder bore | 610 mm (24 in) |
| Piston stroke | 660 mm (26 in) |
| Boiler Overpressure | 12 bar (1.20 MPa; 174 psi) |
| Grate area | 2.22 m2 (23.9 sq ft) |
| Superheater area | 41.40 m2 (445.6 sq ft) |
| Evaporative heating area | 134.14 m2 (1,443.9 sq ft) |
The Prussian T16 locomotives were ten-coupled superheated freight tank locomotives of the Prussian State Railways. They were later renumbered in the 94.2–4 by Deutsche Reichsbahn
The development of the T16 locomotives was influenced by the ideas of Karl Gölsdorf. The design included three Gölsdorf axles – the first, third, and fifth – and enabled to elimination of the articulated frame that had been used on the Prussian T 15. While mainly bought for getting trains up steep gradients, they were also used for freight trains and shunting. They proved to be more powerful and more economic than the T 15 class.
Between 1905 and 1913, 343 T 16 locomotives were built by Berliner Maschinenbau for the Prussian State Railways, and 12 by Elsässische Maschinenbau-Gesellschaft Grafenstaden for the Imperial Railways in Alsace-Lorraine. During construction, some design changes were made; for example the drive was moved from the fourth axle to the third in order to reduce the length and weight of the connecting rod and therefore to reduce hammer blow. These early locomotives were sometimes referred to as "T 16.0".
After the World War I, 65 locomotives were surrendered, including 57 to Poland, and three to the Free City of Danzig. The PKP classified its T 16 and T 16.1 as TKw1 (the T 16.1s were not split out into TKw2 until 1949).
The Deutsche Reichsbahn renumbered the T 16s 94 201–467, although the last three were actually T 16.1s – this error was corrected in 1934. In addition one T 16 locomotive had been renumbered as a T 16.1 in error, but 94 501 was withdrawn in 1931 before the error was corrected. Locomotives 94 462–464 came from Alsace-Lorraine. Eight T 16s remained in Alsace-Lorraine and eventually became SNCF 1-050.TA.101 to 112. In addition the SNCF inherited five T 16s from the Chemins de fer du Nord (2-050.TB.1 to 5) and twelve from the Chemins de fer de Paris à Lyon et à la Méditerranée (5-050.TA.1 to 12) that the two railway companies had received as war reparations.
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