Newag 15D/16D is a cargo locomotive (type 15D - PKP ST48 series) or broad gauge (type 16D) diesel locomotive rebuilt by

Newag Newag S.A. ronounced: nevagis a Polish company, based in Nowy Sącz, specialising in the production, maintenance, and modernisation of railway rolling stock. The company's products include the 14WE, 19WE, 35WE types electric multiple units; it ...

in Nowy Sącz in

Poland Poland, officially the Republic of Poland, is a country in Central Europe. It is divided into 16 administrative provinces called voivodeships, covering an area of . Poland has a population of over 38 million and is the fifth-most populou ...

, which is a deeply modernised SM48 (Soviet TEM2) locomotive.

Modernisation

As a result of the modernisation the

Soviet The Soviet Union,. officially the Union of Soviet Socialist Republics. (USSR),. was a transcontinental country that spanned much of Eurasia from 1922 to 1991. A flagship communist state, it was nominally a federal union of fifteen nation ...

-produced internal combustion engine was replaced with a US drive unit that meets the emissions standards for UIC IIIa. The power output has been raised from 0.88 MW (1200 hp) to 1.55 MW (2100 hp), which makes the new version suitable for shunting. The driver cabin has been changed based on Newag 6Dg and, combined with lower height of

prime mover Prime mover may refer to: Philosophy *Unmoved mover, a concept in Aristotle's writings Engineering * Prime mover (engine), motor, a machine that converts various other forms of energy (chemical, electrical, fluid pressure/flow, etc) into energy ...

compartment, visibility from the cab has been improved. Air conditioning (KL20 with a power of 4.3 kW), GPS, and NES microprocessor control system were installed in the driver's cab. The reused components undergone major repairs are: rigid frame and boogies, the brake system, which had been fitted with four cylinders per boogie, spring brake system, and traction motors, which are subjected to pressure-vacuum impregnation. The

power generator Electricity generation is the process of generating electric power from sources of primary energy. For utilities in the electric power industry, it is the stage prior to its delivery (transmission, distribution, etc.) to end users or its storag ...

consists of an internal CAT 3512C engine with main generator and auxiliary generators. The locomotive has a

microprocessor A microprocessor is a computer processor where the data processing logic and control is included on a single integrated circuit, or a small number of integrated circuits. The microprocessor contains the arithmetic, logic, and control circ ...

control, modular braking system array with

rotary-screw compressor A rotary-screw compressor is a type of gas compressor, such as an air compressor, that uses a rotary-type positive-displacement mechanism. These compressors are common in industrial applications and replace more traditional piston compressors ...

, and the AC/DC converters.

Operators

References

* Terczyński, Paweł. ''Lokomotywa spalinowa serii ST48'', "Świat Kolei" Nr. 9/2014, pp. 12–17 {{commons category, Newag 15D/16D, position=left Standard gauge locomotives of Poland Diesel-electric locomotives of Poland 5 ft gauge locomotives Co′Co′ locomotives Railway locomotives introduced in 1974