VR Class Dr16

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Class Dr16
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Three Dr16s heading a freight train at Hangas, near Pikkarala, northern Finland, 2001
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Type and origin
Power typeDiesel-electric
BuilderValmet Oy, Tampere (numbers 2801–2809)
Transtech Oy, Otanmäki and Taivalkoski (numbers 2810–2823)
Oy Strömberg Ab, inverters, generator and motors
Serial number2801-2823
Build date1985–1992
Total produced23
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Specifications
Configuration:
 • UICBo′Bo′
Gauge1,524 mm (5 ft)
Wheel diameter1,250 mm (49.21 in)
Length17.60 m (57 ft 9 in)
Width3.2 m (10 ft 6 in)
Height4.73 m (15 ft 6 in)
Axle load20.5 t (20.2 long tons; 22.6 short tons)/21 t (21 long tons; 23 short tons)
Loco weight82 t (81 long tons; 90 short tons)/84 t (83 long tons; 93 short tons)
Fuel typeDiesel
Prime moverPielstick 12PA4-V-200VG
Wärtsilä Vaasa 8V22 (2803/2804)
TransmissionInverter-driven three-phase AC induction motors
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Performance figures
Maximum speed140 km/h (87 mph)
Power output1,677 kW (2,249 hp) (1,500 kW (2,000 hp) 2803/2804)
Tractive effort270 kN (61,000 lbf)
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Career
OperatorsPage Template:Plainlist/styles.css has no content.
ClassDr16
Number in class18
Numbers2805–2823
NicknamesIso Vaalee (Big White)
Localenorthern and eastern Finland
Delivered22 April 1985-30 June 1992
First run1986
Last run7 September 2025
Restored3 April 2024-
Scrapped20 February 2000-
Current ownerArcticrail
DispositionIn service

The Dr16 is a class of diesel-electric locomotives built for VR Group. The 23 locomotives have a single, off-centre cab. Their nickname is "Iso Vaalee" (Big Blonde). They are presently mainly used on heavy freight services in northern Finland; their main passenger duty is the haulage of trains on the non-electrified line between Kemi and Kolari in Lapland.Lua error in package.lua at line 80: module 'Module:Footnotes/anchor_id_list' not found. Dr16 locomotives were also used extensively on the line between Oulu and Rovaniemi, prior to the completion of the electrification of the line in 2004.Lua error in package.lua at line 80: module 'Module:Footnotes/anchor_id_list' not found.

VR plans to retire its Dr16 locomotives by the end of 2025.[1] Dr16 2819 and 2821 are reserve locomotives at Oulu Nokela depot

History

File:VR Dr16 locomotive in Oulu Jul2009 001.jpg
A Dr16 class locomotive at Oulu in 2009.

In the beginning of the 1980s, Valtionrautatiet needed new locomotives to replace its aging Dr12 and Dv12 class diesel locomotives.Lua error in package.lua at line 80: module 'Module:Footnotes/anchor_id_list' not found. The company had installed a bigger engine on a Dr12 (which became the Dr15) and modified one Dv12 to run on electricity instead of diesel.Lua error in package.lua at line 80: module 'Module:Footnotes/anchor_id_list' not found. However, the company wanted a totally new locomotive, and finally chose Valmet's type M in 1983, with Strömberg providing the electrical components.Lua error in package.lua at line 80: module 'Module:Footnotes/anchor_id_list' not found. VR originally ordered 23 locomotives,Lua error in package.lua at line 80: module 'Module:Footnotes/anchor_id_list' not found. with an option of 20 more when the first series were delivered.Lua error in package.lua at line 80: module 'Module:Footnotes/anchor_id_list' not found.

Four prototypes

It was originally planned that two locomotives would be first built as prototypes,Lua error in package.lua at line 80: module 'Module:Footnotes/anchor_id_list' not found. the first of them being fitted with a Wärtsilä engine and the second one with the Pielstick.Lua error in package.lua at line 80: module 'Module:Footnotes/anchor_id_list' not found. When the first prototype ran on its own on 22 April 1985 for the first time,Lua error in package.lua at line 80: module 'Module:Footnotes/anchor_id_list' not found. there was a Pielstick engine under its engine cover, because the Wärtsilä one had proved three tons too heavy.Lua error in package.lua at line 80: module 'Module:Footnotes/anchor_id_list' not found. When completion of the Wärtsilä engine was delayed a second time, the second prototype was also fitted with a Pielstick. Lua error in package.lua at line 80: module 'Module:Footnotes/anchor_id_list' not found. Due to these engine problems, the number of prototypes was extended to four in January 1986.Lua error in package.lua at line 80: module 'Module:Footnotes/anchor_id_list' not found. The locomotives, numbered 2801–2804, were taken into service in 1985–1987:Lua error in package.lua at line 80: module 'Module:Footnotes/anchor_id_list' not found. the first two had a Pielstick engine, the latter two a Wärtsilä.Lua error in package.lua at line 80: module 'Module:Footnotes/anchor_id_list' not found. On 13 March 1989 VR confirmed that Pielstick engines would be fitted on all the upcoming locomotives.Lua error in package.lua at line 80: module 'Module:Footnotes/anchor_id_list' not found. The Wärtsilä engines were kept on the two prototypes, as refitting them would have been too costly.Lua error in package.lua at line 80: module 'Module:Footnotes/anchor_id_list' not found.

The main series

After an extensive testing programme, the 19 series locomotives were delivered between 1990 and 1992.Lua error in package.lua at line 80: module 'Module:Footnotes/anchor_id_list' not found. The manufacturer had anticipated a larger series to be ordered to replace old heavy line diesels (Dr12 and Dr13); however, the rapid progress of the electrification of Finnish main lines decreased the need for new heavy diesel locomotives and thus no further orders materialized.Lua error in package.lua at line 80: module 'Module:Footnotes/anchor_id_list' not found. The locomotives were designed and assembled in Finland, either by Valmet Oy at Tampere (numbers 2801–2809) or by Transtech Oy at Otanmäki and Taivalkoski (numbers 2810–2823).Lua error in package.lua at line 80: module 'Module:Footnotes/anchor_id_list' not found.

Technical information

Originally the engines were planned to be of Finnish design (Wärtsilä Vaasa 8R22), but after tests with two prototype locos, the engine type was changed into French Pielstick 12PA4-V-200VG.Lua error in package.lua at line 80: module 'Module:Footnotes/anchor_id_list' not found. The Pielsticks produced originally 1,660 kilowatts (2,230 hp), but in 1997 they were limited to an output of 1,500 kilowatts (2,000 hp) to increase durability.Lua error in package.lua at line 80: module 'Module:Footnotes/anchor_id_list' not found.

The locomotive was very modern at its time and it was among the firstLua error in package.lua at line 80: module 'Module:Footnotes/anchor_id_list' not found. to use microprocessor-controlled GTO thyristor inverter-driven three-phase asychronous AC motors.Lua error in package.lua at line 80: module 'Module:Footnotes/anchor_id_list' not found. The construction is modular,Lua error in package.lua at line 80: module 'Module:Footnotes/anchor_id_list' not found. and data is transmitted via optical fiber cables between modules.[citation needed] The maximum speed is 140 kilometres per hour (87 mph).Lua error in package.lua at line 80: module 'Module:Footnotes/anchor_id_list' not found. The maximum frequency of the inverters corresponds to 156 kilometres per hour (97 mph), and the locomotive has reached that in test runs.[citation needed] The locomotive provides 400 kW 1500 V electricity for heating of passenger cars.[2]

Livery

The first two prototypes were painted in a white/red livery to go with VR's recent InterCity brand, showcasing the VR logo next to the cab.[3][4] The final livery (starting from number 2803) added some grey on the side of the engine covers.Lua error in package.lua at line 80: module 'Module:Footnotes/anchor_id_list' not found. Two of the locomotives (numbers 2816[5] and 2819[6]) have been repainted in a new white/green livery in 2010 and 2011. These have been called Iso Kalpee (Finnish for "Big Pale") by railroad enthusiasts.[citation needed]

Fleet details

File:Shunting accident in Vartius, Finland 2006-08-22 2.jpg
Six locomotives were involved in a shunting accident in Vartius in 2006. All were returned to service.
File:ArcticRail Dr16 2811 Tampere 2025-09-30.jpg
Dr16 in ArcticRail's livery

Of a total of 23 built locomotives, five Dr16:s have been withdrawn from service and/or scrapped. This includes all of the prototype locomotives (numbers 2801–2804), which were withdrawn between 2004 and 2009.Lua error in package.lua at line 80: module 'Module:Footnotes/anchor_id_list' not found.[7]

In addition to the prototypes, one series locomotive, number 2814, was scrapped in 2000 after sustaining serious damage in a level crossing accident near the municipality of Ii.Lua error in package.lua at line 80: module 'Module:Footnotes/anchor_id_list' not found.[8] After the accident, the obstruction clearing device of the Dr16 was redesigned and strengthened according to the recommendation of the accident investigation board.Lua error in package.lua at line 80: module 'Module:Footnotes/anchor_id_list' not found.[8]

Private railway company ArcticRail acquired a single Dr16 locomotive from VR Group in 2024.[9]

Prototype locomotives
Built First test runs Official delivery Withdrawn and Scrapped Notes
2801 22 April 1985 25 June 1986 28 June 1989 20 January 2004 and scrapped Pielstick engine.
2802 16 February 1986 16 March 1987 28 June 1989 July 2009 and scrapped Pielstick engine. Closest to the series locomotives.
2803 31 October 1986 30 December 1986 28 June 1989 20 January 2004 and scrapped Wärtsilä engine.
2804 23 January 1987 30 September 1987 28 June 1989 30 November 2004 and scrapped Wärtsilä engine.
Series locomotives
Delivered Withdrawn and Scrapped
2805 28 December 1990 March 2023 and scrapped
2806 28 December 1990 24 July 2025 and scrapped
2807 28 December 1990 September 2014 and scrapped
2808 28 December 1990 September 2014 and scrapped
2809 11 February 1991 7 September 2025 and scrapped
2810 4 March 1991 7 July 2020 and scrapped
2811 10 April 1991 3 April 2024 Withdrawn, 2024-present Arcticrail, not scrapped
2812 20 May 1991 24 February 2018 and scrapped
2813 25 June 1991 2026-present to museum, not withdrawn and not scrapped
2814 30 August 1991 20 February 2000 and scrapped
2815 27 September 1991 7 September 2025 withdrawn, not scrapped
2816 25 October 1991 7 September 2025 and scrapped
2817 22 November 1991 7 September 2025 and scrapped
2818 20 December 1991 7 September 2025 and scrapped
2819 23 January 1992 March 2026
2820 21 February 1992 7 July 2020 and scrapped
2821 26 March 1992 March 2026
2822 24 April 1992 November 2023 and scrapped
2823 30 June 1992 November 2023 and scrapped

Sources: Lua error in package.lua at line 80: module 'Module:Footnotes/anchor_id_list' not found.; Isovaalee.info

Variants

Ttm1

File:Ttm1 N-veturi.jpg
The Ttm1 at Valtimo.

Also known as type N locomotive (Template:Langx) or Dv13. It is a smaller work locomotive that implements some of the components of the Dr16.Lua error in package.lua at line 80: module 'Module:Footnotes/anchor_id_list' not found. The two locomotives share also the same computer system.Lua error in package.lua at line 80: module 'Module:Footnotes/anchor_id_list' not found. It is owned nowadays by Maansiirto Veli Hyyryläinen Oy (part of Destia group).[citation needed]

Sx prototype

Valmet originally prepared the Dr12 to be modified as a full electric locomotive while building it, designing it for speeds up to 180 km/h (110 mph).Lua error in package.lua at line 80: module 'Module:Footnotes/anchor_id_list' not found. It was estimated that the electric and diesel variants would share 80% of their parts.Lua error in package.lua at line 80: module 'Module:Footnotes/anchor_id_list' not found. However, VR finally ordered the Sr2 locomotives from SLM and ABB.

References

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  1. ^ Page Module:Citation/CS1/styles.css has no content.Rytkönen, Eelis (July 29, 2025). "Onko tässä Suomen kovaonnisin veturi? Palanut jo neljä kertaa". Yle Uutiset (in suomi). Retrieved 2025-10-05.
  2. ^ Page Module:Citation/CS1/styles.css has no content."Dr16-veturi maailman huipulta". Resiina (in suomi): 67–71. February 1989.
  3. ^ Page Module:Citation/CS1/styles.css has no content.Maasalo, Esko (12 June 1986). "Vaunut.org - Kuva". Retrieved 15 June 2011.
  4. ^ Page Module:Citation/CS1/styles.css has no content.Muurinen, Tapio (April 1988). "Vaunut.org - Kuva". Retrieved 15 June 2011.
  5. ^ Page Module:Citation/CS1/styles.css has no content.Pentikäinen, Petri P (28 February 2011). "2816 vihrein kuvioin liikenteessä" (in suomi). Petrin Viestintä. Retrieved 10 May 2011.
  6. ^ Page Module:Citation/CS1/styles.css has no content.Pentikäinen, Petri P (22 August 2010). "2819 valmis" (in suomi). Petrin Viestintä. Retrieved 10 May 2011.
  7. ^ Page Module:Citation/CS1/styles.css has no content.Pentikäinen, Petri P. "2802" (in suomi). Petrin Viestintä. Retrieved 10 May 2011.
  8. ^ a b Page Module:Citation/CS1/styles.css has no content."B1/2000R Onnettomuus Iissä Akolan vartioimattomassa tasoristeyksessä 9.2.2000". Accident investigation board of Finland. 11 September 2000. Retrieved 12 May 2011.
  9. ^ Page Module:Citation/CS1/styles.css has no content.Oinaala, Sampsa (2025-04-13). "Suomessa aloittaa pian uusi junaoperaattori – "Kilpailusta hyötyvät kaikki"". Helsingin Sanomat (in suomi). Retrieved 2025-05-18.

Literature

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