In September 2013, Direct Rail Services placed on order for ten type UK DUAL electro-diesels with Vossloh via Beacon Rail Leasing. Designated as Class 88, the locomotives are suitable for electric operation under 25kV overhead power systems and for diesel operation thanks to a 708kW Caterpillar C27 diesel engine. Maximum speed of the Class 88 is 160km/h, making it suitable for both freight and passenger services. Its diesel engine enables the loco to operate the last mile at unelectrified terminals and sidings. Additionally, DRS expects the locomotive to be suitable to operate as light mainline diesel locomotive.
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Technical Details
| Dimensions | |
| Total length (over couplings) | 20500 mm |
| Axle characteristics | |
| Wheel diameter | 1067 mm |
| Axle arrangement | Bo'Bo' |
| Track gauge | 1435 mm |
| Weight | |
| Total weight | 86 ton |
| Axle load | 21.5 ton |
| Traction performance | |
| Top speed | 100 mph / 160 km/h |
| Starting tractive effort | 290 kN |
| Propulsion characteristics | |
| Fuel tank capacity | 3200 L |
| Number of traction motors | 4 |
| Diesel engine manufacturer | Caterpillar |
| Diesel engine type | C27 |
| Number of cylinders | 12 |
| Power rating electric mode (25 kV 50 Hz) | 4000 kW |
| Power rating diesel mode | 708 kW |
| Emission standards | EU 97/68 Stage IIIB |
| Electrical equipment manufacturer | ABB |
| Electrical transmission | AC / AC |
| Multiple working | |
| System | UIC |
| Combinations | UKLIGHT / UK DUAL |
| Number of units | 2 |
Production List
| Manufacturer: | Works number: | Year of construction: | Type: | Axle configuration: | Company | Locomotive number | ||||
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| Stadler | 2851 | 2016 | UK DUAL | Bo'Bo'-el/de | Beacon Rail | 88001 |
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| Stadler | 2852 | 2016 | UK DUAL | Bo'Bo'-el/de | Beacon Rail | 88002 |
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| Stadler | 2853 | 2016 | UK DUAL | Bo'Bo'-el/de | Beacon Rail | 88003 |
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| Stadler | 2854 | 2016 | UK DUAL | Bo'Bo'-el/de | Beacon Rail | 88004 |
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| Stadler | 2855 | 2016 | UK DUAL | Bo'Bo'-el/de | Beacon Rail | 88005 |
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| Stadler | 2856 | 2016 | UK DUAL | Bo'Bo'-el/de | Beacon Rail | 88006 |
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| Stadler | 2857 | 2016 | UK DUAL | Bo'Bo'-el/de | Beacon Rail | 88007 |
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| Stadler | 2858 | 2016 | UK DUAL | Bo'Bo'-el/de | Beacon Rail | 88008 |
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| Stadler | 2859 | 2016 | UK DUAL | Bo'Bo'-el/de | Beacon Rail | 88009 |
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| Stadler | 2860 | 2016 | UK DUAL | Bo'Bo'-el/de | Beacon Rail | 88010 |
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