Been meaning to post about shunters... I read an article in a mag a couple of months back - might well have been Modern Railways - which said DBS were culling their 08/09 fleet. The exact details I don't recall, but it very definitely suggested pretty much the whole lot were going, with just a couple remaining. That doesn't appear to have happened, as I still see them chugging away at Westbury, Didcot etc, and those weren't among the locations mentioned as retaining them. Was it dodgy info?
Was it dodgy info?
No the information was correct. However, the plan, such that it was immediately fell apart for some of the following reasons;
1) DBS have a traction shortage anyway, so taking a mainline loco out of the revenue earning loop to shunt trains in yards had an immediate impact on services.
2) Shunting with a 'big engine' initially meant that you needed two people to man it (an agreement to single crew was reached with the unions just before the 'experiment' was ended). An 08/09 was
designed for shunting and to be single crewed. They are low geared (15 mph max speed on an 08, 27.5 mph on an 09), so tootling around at 5mph (yard speed limit) is what they do with ease. For their size and weight they are really strong little engines and can put down more tractive effort than a class 67! (35,000 lbf for an 08 against 32,000 lbf for a 67). They are also easy to work on from the maintenance side (loads of access doors in the body side to get to all the greasy parts). They have clear access from one side of the cab to another (unlike a 60/66 with a control pedestal in the way) good visibility (even running 'nose first' you can lean right out of the cab window due to the position of the seat), dual controls (so they can be driven from either side) and a slow release DSD pedal to allow the driver to cross from one side to another without having to rush. A 'big engine' (60/66/67) can only be driven from one side and only has a DSD holdover button on the secondman's side, so you can keep the DSD from activating, but you can't operate any of the controls. So, if you need to perform a shunt move where you
need to see from the second man's side, you are pretty much stuffed.
3) The track in most yards is of low quality and only gets repaired/maintained when needed. 'big engines' put a lot more strain and stress on already knackered track.
There are more reasons, including costs. I think the original idea was to reduce the costs of keeping the shunt engines going, which was eventually circumnavigated by designating those that never go onto the mainline as items of 'plant equipment' and doing away with mainline certification. That reduced the running costs per engine by about 80% straight away!