Most powerplants get taken out, stripped and rebuilt. I know that's certainly the case with EMU traction motors, and some of those are getting pretty ancient now. The Cl455's use traction motors reclaimed from the second-batch of 4SUB EMU's that were rolling off the production lines during the late 1940's.
O L Leigh
Most powerplants get taken out, stripped and rebuilt. I know that's certainly the case with EMU traction motors, and some of those are getting pretty ancient now. The Cl455's use traction motors reclaimed from the second-batch of 4SUB EMU's that were rolling off the production lines during the late 1940's.
O L Leigh
Slightly OT but I'd guess some of the first generation DMUs clocked up astronomical mileages on the same power plant, repairs not withstanding.
Reliable old lumps under them - although badged "BUT" I think they were based on the Leyland O680 bus engine or a similar AEC one.
Close - BUT - British United Traction, the former joint venture between AEC & Leyland, and as time grew on, Leyland took over AEC - Thus rebadging it simply as The Leyland 680! As for the engine itself - it use was rather widespread - anything from widespread bus use (Leyland Olympians, Bristol RE's, Leyland National 2s etc) to the early 1st
the 680 was never in production olympians! It is very similar to the L/TL11 though
Close - BUT - British United Traction, the former joint venture between AEC & Leyland, and as time grew on, Leyland took over AEC - Thus rebadging it simply as The Leyland 680! As for the engine itself - it use was rather widespread - anything from widespread bus use (Leyland Olympians, Bristol RE's, Leyland National 2s etc) to the early 1st
the 680 was never in production olympians! It is very similar to the L/TL11 though
The TL11 is really just a Turbocharged 680. As well as the Olympians (along with Gardeners and later Cummins) they were also used in the Tiger, some National 2s, the Lynx and Leyland Lorries. They were also used originally in the Pacers, but later replaced with Cummins engines.
680s were also used in Leopards, Atlanteans and as an option on Fleetlines after Leyland bought out Daimler.
The NIR 450 class DEMUs contain the EE 4SRKT power units, generators and traction motors from the UTA 70 class units built in 1966. I doubt anything remaining in daily service is older (or more characterful) than this.
The few remaining NIR 80 class DEMUs also have 4SRKT engines, but were built between 1974 and 1977. They do however have BR mk II bodyshells, rather than the mk III class 455 derivative of the 450 class.
The power equipment (4SRKT 550hp) fitted to the NIR 450 Class Demu's was salvaged from the former 70 Class units, except for 8457 whose power equipment (4SRKT 560hp) was salvaged from NIR 80 Class No.88 which was written off after being involved a fatal accident at Hilden 25-03-1983
http://www.railphotoarchive.org/search_engine_2.php?_format=4&img=0681021557000&_PAGE=1
K9-70
K9-70
Are the Class 313's the Oldest EMU's on the network?
It also depends on whether you count the reused traction on the 442s as making them earlierDepends on if you count the Class 483 or not. If you do then no the 313s are most certainly not the oldest EMUs otherwise I believe they might be.
Straying from the EMU/DMU path here, but do the class 08 shunters not have the oldest engines in operation? They may or may not be technically mainline stock, does this disqualify it?
If you consider that most units are fired up in the early hours, run all day and then only get put to bed late at night, that gives you an idea of the wear and tear levels. Plus the long periods of idling apparently do a diesel lump no good as the fuel doesn't burn properly and sits in the cylinders ( I'm reliably informed!) which doesn't help matters.
Oh, youre so wrong, it does indeed HELP matters. How else does one expect to get such wonderfull CLAG when accelerating away .
Tho it isn't such a great effect on a 158
It also depends on whether you count the reused traction on the 442s as making them earlier