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European Railroad Discussion > Trans Siberian Express Locomotive QuestionDate: 05/28/17 13:37 Trans Siberian Express Locomotive Question Author: CNStratford Just completed the Trans Siberian Express (Rossiya) from Moscow to Vladivostok in seven nights six days of non-stop riding. This locomotive type pulled us much of the way. Does anyone know the advantage of B-B-B wheel arrangement? Certainly not light track. Most freight trains passing us ran to 100 77 metric ton cars.
 Date: 05/29/17 02:27 Re: Trans Siberian Express Locomotive Question Author: spflow As I understand it, the B-B-B arrangement is preferred over two simple 3-axle trucks, as it more suitable for routes with many sharp curves as it generates smaller lateral forces on the wheels. For this reason it has been widely used in Italy, but may be less common now (as are six-axle designs generally) as more power is available from straight Bo-Bos.
Date: 05/29/17 04:30 Re: Trans Siberian Express Locomotive Question Author: GPutz They were common in Switzerland in 2005. Gerry
 Date: 05/29/17 14:53 Re: Trans Siberian Express Locomotive Question Author: 86235 Worth pointing out that all the Eurotunnel locomotives used on the shuttles are B-B-B
Date: 05/29/17 14:55 Re: Trans Siberian Express Locomotive Question Author: exhaustED 86235 Wrote:
------------------------------------------------------- > Worth pointing out that all the Eurotunnel > locomotives used on the shuttles are B-B-B Again, that was to accommodate very tight track curvature. Date: 06/01/17 22:11 Re: Trans Siberian Express Locomotive Question Author: SOO6617 The center pin for the middle truck(bogie) has some amount of transverse movement.
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