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   Diesel-mechanic transmission  evaluated  
Diesel-electric and diesel-hydromechanic transmission are dominant in modern diesel stock. However technological progress in mechanical transmission has increased interest in diesel-mechanic stock in recent times.
Technology field: Optimisation of traction technologies
open main section General information
open main section General criteria
open main section Environmental criteria
close main section Economic criteria
  close sub-section Vehicle - fix costs: low
    Diesel-mechanic transmission is roughly three times cheaper than hydro-mechanic transmission.
  Vehicle - running costs: significant reduction
    Compared to other transmission systems, mechanic transmission substantially reduces energy costs but increases maintenance costs. No figures are available, but it is expected that there is still an overall reduction running costs.
  Infrastructure - fix costs: none
    (no details available)
  Infrastructure - running costs: unchanged
    (no details available)
  Scale effects: high
    In many cases, scale effects can be exploited by using "off-the-shelf" solutions from automotive mass markets (busses and trucks).
  Amortisation: (no data)
    According to DSB, diesel-mechanic stock has equal or lower LCC than diesel-hydraulic stock.
open main section Application outside railway sector
open main section Overall rating
References / Links:
Attachments:
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 date created: 2002-11-10
 
 
© UIC - International Union of Railways 2003
 
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