sprinterguy
Veteran Member
No they didn't: Class 91s worked with HST Mk3 stock with a HST power car at the other end, with the HST power car providing train supply to the coaching stock (and, after a short while, traction power as well).43s ran with Mk4 stick with a 91 at the other end for a time, before DVT stock was available. Those 43s have buffers and are now GC's power cars
HST power cars have only worked with mark 4 stock on a limited number of test trains, where train supply wasn't an issue.
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Mark 4 coaches are run off a conventional 1000V train supply, rather than the three phase 415V system provided by HST power cars. I've no idea how difficult it would be to convert the former to the latter, but I also can't work out why you'd want to pair comparatively modern coaches with much older power cars when far more modern diesel locomotives are available.So what I was asking are the MK4's wired such that they could work with the class 43's?
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As Domh245 says, the majority (two thirds) of the class 143 Pacers are operated by Arriva Trains Wales, which aren't being replaced any time soon. I can see GWRs' eight being taken on by ATW to replace 142s, with a bit if a reshuffle between TOCs towards the end of the decade releasing sufficient 150s to ATW to replace the remainder of their 142s.The 143's and 153's for that matter will get replaced by class 158's in the near future in Devon & Cornwall with the class 165/166's replacing the class 158's at Bristol so I do not see them staying around.
However, ten years is quite a broad window of time to be looking through, and I can see the 143s being gone by the end of that period: I'd expect the ATW 143s to receive a derogation to continue operating in their current condition rather than an ePacer refurbishment, given that Valley lines electrification is still set to take place in the early 2020s, and ATW can't afford the drop in capacity that would be realised by converting their Pacers to be fully disabled compliant.
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