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Siemens Eurorunner
ER20 CF[2]
Co'Co' ER20 CF of Lithuanian Railways
Type and origin
Power type Diesel
 • UIC ER20 :Bo'Bo'[1]
ER20 CF, ER 30 :Co'Co'[2]
Gauge ER20, ER20 CF, ER30 :
1,435 mm (4 ft 8 12 in)
Standard gauge[1]
ER20 CF, ER 30 :
1,520 mm (4 ft 11 2732 in)
Russian gauge[2]
Wheelbase 10.362 m (34 ft 0 in) between bogie pivots
Length 19.275 m (63 ft 2.9 in)
Width 2.870 m (9 ft 4.99 in)
Loco weight ER20 :80t
ER20 CF :135.7 t (133.6 long tons; 149.6 short tons)[3]
Fuel type Diesel fuel
Fuel capacity ER20 :2,500–4,000 L (550–880 imp gal; 660–1,060 US gal)
ER20 CF :7,000 L (1,500 imp gal; 1,800 US gal)
ER 30 :5,000–7,000 L (1,100–1,500 imp gal; 1,300–1,800 US gal)[2]
Engine type MTU 16 V 4000 R41
Train brakes pneumatic and dynamic brakes
Performance figures
Maximum speed ER 20 :140 km/h (87 mph)[2]
ER20 CF :120 km/h (75 mph)[2]
ER 30 :120–160 km/h (75–99 mph)[2]
Power output ER20 , ER20 CF :2,000 kW (2,700 hp)[1][2]
ER 30 :2,700–3,500 kW (3,600–4,700 hp)[2]
ER 20 (ÖBB Rh 2016):1,600–1,750 kW (2,150–2,350 hp) available for traction[4]
Tractive effort ER20 :235 kN (53,000 lbf) starting[1]
ER20 CF, ER 30 :450 kN (100,000 lbf)[2]
Locale Germany, Austria, Hong Kong, Lithuania

The Eurorunner family of locomotives are a series of medium- to high-power diesel-electric locomotives built by Siemens for the European market. Introduced from 2002 onwards, they share design characteristics with the successful Eurosprinter range of electric locomotives, also built by Siemens.

The main initial order for these locomotives was for 100 of the four-axle ER20 for the Austrian Federal Railways (ÖBB) and designated ÖBB type 2016, and commonly called Hercules; further smaller orders from smaller railway companies have also been fulfilled. Later six-axle versions ER20CF were produced for Lithuanian Railways. A higher-power version ER30 is also offered but has not resulted in any orders as of 2010.

Production of the Eurorunner ceased by 2012, replaced by Siemens Vectron diesel-engined versions.[5]


The locomotive is designed to be made of as few parts as possible, and is of modular construction, with separate components (engine, electronics etc.) kept in separately fabricated units and are designed to be easily replaceable.[6]

Marketing by Siemens has heavily emphasised the locomotive's energy-saving characteristics, as well as the technology used to reduce particulate emissions.

The locomotives have a supercharged 16-cylinder diesel engine of the MTU 4000 series developing 2,000 kW of power which drive a three-phase brushless alternator. At idle 8 of the 16 cylinders can be turned off, reducing fuel consumption and emissions.

The three-phase electrical supply is rectified to DC to supply a pulse width modulator, which in turn generates a three-phase electrical supply to the traction motors (which are of the induction type) – the four traction motors are connected in parallel.

Electrical taps from the main DC power supply also provide power to other electronically controlled power supplies, including those that power the cooling fans (also known as 'blowers') at 440 V 3-phase 60 Hz. The power supply for passenger operations (coach heating, lighting etc.) is optional and is located separately under the main frame whereas the rest of the electronic equipment is mounted in the body of the vehicle.

In addition the electrodynamic brakes can charge both a battery pack, as well as high capacity capacitors – meaning that energy absorbed on deceleration can be reused later on. This feature saves emissions and fuel consumption[7] – if the batteries and capacitors are full, a roof-mounted set of resistors provides the remainder or additional rheostatic braking. The maximum electrical braking effort is 100 kN (22,000 lbf). For additional braking a pneumatic braking system is included.

The locomotives are equipped for Push-Pull operation (with Driving van trailer for instance) and for multiple-unit operation (see Multiple-unit train control.)

Eurorunner ER20 C[edit]

The six-axled locomotives have a number of changes in addition to the change of bogie type: both mass, tractive effort and braking effort are increased. The modularity concept used in the 4-axle versions remains unchanged. One notable difference between the two is that the ER20 C models have one pulse width modulator (electronic power supply: generic term 'inverter') per bogie (i.e. 2 ), whereas the ER 20B models have only one pulse width modulator in total. In addition the arrangement of modular components is changed from the Bo'Bo' versions.[8] This model also sports a water closet.

Eurorunner ER30[edit]

Siemens technical documentation mentions an ER30, which appears to be a variant of the ER20 CF model, with the possibility of a higher operating speed – it is described as being suitable for passenger and freight operations.

History and operators[edit]

The initial order of the Eurorunner was of 100 units for Austrian Federal Railways ÖBB as locomotive type 2016.

Further locomotives were purchased by various companies:[9]

organisation location number
of units
date comments
MTR Corporation (as Kowloon-Canton Railway Corporation) Hong Kong 5 2003 named 8000 series
MRCE Dispolok Europe 15 2003–2006 leasing company
StLB (Steiermärkische Landesbahnen)[10] Austria 2 2004/5 as 2016 series
LTE (LTE Logistik- und Transport- GmbH)[11] Austria 2 2004/5 as 2016 series
PRESS (Pressnitztalbahn)[12] Germany 2 2004/5 as 253 series
Eisenbahnen und Verkehrsbetriebe Elbe-Weser (EVB)[13] Germany 4 2005/7 as 420 series
CBrail[14] Luxembourg 3 2006 leasing company
WLE (Westfälische Landes Eisenbahn)[15] Germany 2 2007/9
RTS Austria[16] Austria 2 2007/9 as class 2016
Osthannoversche Eisenbahnen (OHE)[17] Germany 3 2007 as 27000 series
Stern & Hafferl[18] Austria 1 2008 as Rh 2016
Angel Trains cargo 12[19] leasing company
Lithuanian Railways (LG) Lithuania 44 2007–2009 as ER20 series
A Siemens Eurorunner loco, fleet number 8002 operated by the MTR Corporation of Hong Kong

Kowloon-Canton Railway Corporation of Hong Kong were an early customer, ordering five locomotives in 2001 for use hauling freight services on the Kowloon-Canton Railway.[20] Nord-Ostsee-Bahn also operate ER20s as 'DE 2000'.[21] These original locomotives were available in a passenger version; the equipment (such as electric train heat etc.) required for passenger operation was carried under the locomotives frame between the bogies and necessitated a reduction in the size of the fuel tank. Alternatively, it may be said that the freight version has a larger fuel tank.[12]

Locomotives based in Germany have been called 'Class 253', but that code has been given to the Vossloh G2000, and the locomotives now answer to the name 'Class 223';[citation needed] in Austria the designation is often 'Class 2016' since the original Austrian order for ÖBB had that number, the name 'Hercules' is also commonly used for this class since the original Austrian locomotive carried that name.[22]

In 2007 Siemens announced variants available as a six-axle Co'Co' locomotive. The first order for this type came from Lithuanian Railways (Lietuvos Geležinkeliai or LG) for 34 of a 1,520 mm (4 ft 11 2732 in) gauge freight-specific version; the new variant was given the reporting name ER 20 CF[23] Higher-powered versions are also offered, designated ER30.

The passenger version is labelled ER 20 CU (U is for universal), and retrospectively the two-axle variants have been relabelled ER 20 BU or ER 20 BF for the universal (passenger) and freight versions respectively. (Originally the Bo'Bo' freight version reported as ER 20 F)

See also[edit]


  1. ^ a b c d e Diesel-Electric Universal Locomotive ER20, Germany, Austria and Hong Kong
  2. ^ a b c d e f g h i j k The Eurorunner – International attractive (ARCHIVE)
  3. ^ Diesel-Electric Freight Locomotive ER20, Lithuanian (for Lithuanian Railways LG)
  4. ^ Diesel-Electric Universal Locomotive Rh 2016, Austria
  5. ^ "Eurorunner reaches the finish line",, 26 July 2012 
  6. ^ ER 20 BU/BF technical data sheet - includes block diagrams, locomotive schematic image, tractive effort and braking curves etc.
  7. ^ Locomotives from Siemens. A clean solution. p. 11
  8. ^ Diesel-electric freight locomotive Eurorunner ER20 CF for Lithuanian Railways (LG)
  9. ^ EuroRunner classic
  10. ^ Triebfahrzeuge der STLB, Landesbahn Gleisdorf - Weiz
  11. ^ LTE 2016 Eurorunner
  12. ^ a b Pressnitztalbahn 253 series
  13. ^ "Get an overview of our locomotives that are used for railway goods transport"
  14. ^ Fleet details
  15. ^ WLE locomotives data sheet
  17. ^ OHE 270080 series
  18. ^ Stern & Hafferl 2016: Introduction
  19. ^ Data Sheets : Siemens ER20
  20. ^ "Kowloon-Canton Railway, China". Retrieved 28 September 2009. 
  21. ^ ER20 (DE 2000)
  22. ^ Diesel hauling with integral transmission in alternating current (article dealing with electrical transmission systems - with special reference to the Siemens ER20); includes block diagrams and tractive effort curves plus additional info.
  23. ^ 2007-10-05 Diesel freight locomotive with most powerful traction : ER 20 CF for Lithuanian Railways officially unveiled at the Central station in Vilnius


  • Bückle, Alexander (2008), Die Lokomotiven der Hercules-Familie moderne Diesellokomotiven aus dem Hause Siemens (in German), EK-Verlag, Freiburg, ISBN 978-3882553697 

External links[edit]