ADtranz DE-AC33C

Blue Tiger

German Blue Tiger in Vacha, Germany (1997)
Type and origin
Power type Diesel-electric
Designer Adtranz / GE[1]
Model DE-AC33C
Build date 1996–2004
Total produced Pakistan: 30
Malaysia: 20
Germany: 11
Total: 61
Specifications
UIC class Co'Co'
Gauge Pakistan: 1,676 mm (5 ft 6 in)
Malaysia: 1,000 mm (3 ft 3 3⁄8 in)
Germany: 1,435 mm (4 ft 8 1⁄2 in)
Length Pakistan:
Malaysia: 23,700 mm (77 ft 9.1 in)[2]
Germany: 23,410 mm (76 ft 9.7 in)[3]
Axle load Pakistan:
Malaysia: 20 t (19.7 long tons; 22.0 short tons)[2]
Germany: 21 t (20.7 long tons; 23.1 short tons)[3]
Loco weight Pakistan:
Malaysia: 120 t (120 long tons; 130 short tons)[2]
Germany: 126 t (124 long tons; 139 short tons)[1][3]
Fuel capacity Pakistan:
Malaysia: 5,500 L (1,200 imp gal; 1,500 US gal)[2]
Germany: 6,000 L (1,300 imp gal; 1,600 US gal)[3]
Prime mover Pakistan: General Electric 7FDL16
Malaysia/Germany: General Electric 7FDL12[2][3]
Loco brake Pneumatic and Dynamic
Train brakes Pneumatic
Performance figures
Maximum speed 120 km/h (75 mph)[3]
Power output German models: 2,460 kW (3,300 hp)[3]
Tractive effort starting: 517 kN (116,000 lbf)[3]
Career
Numbers Pakistan: ? to 6004 to ?
Malaysia: 26101 to 26120[2]
Germany: 250 001 to 250 011

The Blue Tiger (manufacturer designation: DE-AC33C) is a type of high powered diesel-electric locomotive developed by ADtranz in association with General Electric.

History and design

The prototype was unveiled in 1996.

Initially the axle load was expected to be a light 18 tonnes (17.7 long tons; 19.8 short tons) and the power at ~2,500 kW (3,400 hp).[4] In practice, the German locomotives had an axle load of 21 tonnes (20.7 long tons; 23.1 short tons) (which is normal for this type of diesel locomotive).

General Electric supplied diesel engines and electrical transmission system (which utilised IGBT-based inverters driving AC traction motors). The rest of the locomotive was built by AdTranz in Kassel.

For the Pakistani export models a 16-cylinder engine was used.

Bombardier took over AdTranz in 2001, subsequently the Blue Tiger locomotive was shown at InnoTrans in 2002[5] with a view to European orders. The German production models had a mass of 126 tonnes (124.0 long tons; 138.9 short tons) (axle load 21 tonnes or 20.7 long tons or 23.1 short tons) and an engine power of 2,430 kW (3,260 hp).

As of 2009, the class is no longer listed as a production model by Bombardier; GE lists also lists the family as a former production type.[6] For the European market, Bombardier produces the less powerful diesel variants of the TRAXX family, whilst GE offers variants of its Evolution series for export.

Operators

Pakistan

The first orders for the locomotives came from Pakistan Railways in the late 1990s.[7] The locomotives were being built to a gauge of 1,676 mm (5 ft 6 in) and powered by a 16-cylinder engine of 3,300 horsepower (2,500 kW) instead of the 12-cylinder engine used in the prototype and other production models. The first ten were shipped out, the remainder assembled under license in Pakistan.[8] Pakistan Locomotive Series Start From 6001 to 6030. Specifications;. 1.Class Of Locomotive {Age30} 2.Locomotive Model {DE-DC33-CA} 3.Locomotive in number {30} 4.Locomotive Grouping {6001 to 6030} 5.Manufacturer of Locomotive {ADTRANZ, GDR & PR Locomotive Factory, Risalpur} 6.Date of 1st Locomotive in Service {September 1996} 7.Length of Locomotive {58’-4”} 8.Number of Wheels {12} 9.Number of Traction Motors {6} 10.Speed of the Locomotive (Km/h) {122(Km/h)} 11.Weight of Locomotive in working Time {103Tones} 12.Axle load {17.5} 13.Model of diesel engine {GE-7FDL 16(B-11)} 14.Diesel Engine manufacturer {GENERAL ELECTRIC USA} 15.Diesel Engine Horsepower {3300} 16.Fuel Capacity {1600 Imp. gallons} 17.Max. Tractive Effort {68000 lbs}.

Malaysia

See also: KTM Class 26

Twenty locomotives were built to 1,000 mm (3 ft 3 3⁄8 in) gauge in 2003–2004 for KTM.[2][9] They were designated as "Class 26" (Numbers: 26101 - 26120).[2]

All the locomotives were named after capes in Malaysia. In the first decade of operations the locomotives proved more reliable than the Malaysian Class 29 locomotives bought at around the same time.[10]

Germany

10 Locomotives were built to 1,435 mm (4 ft 8 1⁄2 in) gauge with a view to leasing or orders.

Various companies have used the locomotives. Initially Karsdorfer Eisenbahngesellschaft GmbH (KEG)[11] was to use 8 units, but went bankrupt in 2005. In 2006, the distribution was:[12]

Models

A working scale model of this locomotive has been produced by the Slovenian company Mehano in N, TT and HO scale.

References

External links

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