Working rail roads and their tracks.

   / Working rail roads and their tracks.
  • Thread Starter
#3,501  
The lead locomotive is an General Electric ES44C4, which rides on three axle trucks, but only the leading and trailing axles are powered, making it an A1A-A1A wheel arrangement.
Couldn't make out the unit number on the trailing locomotive, but it has a different radiator, so it is probably a different variation of the ES44.
Why would they only have 2 axles driven??
 
   / Working rail roads and their tracks. #3,502  
Lower weight/loading per axle and enough electric motor power from two axle motors per truck. Has been common on diesel passenger locos since way back, often to increase route availability on older lines.
 
   / Working rail roads and their tracks. #3,503  
Not exactly a photo of Railroad tracks, but I picked up a section of rail and some spikes and hardware and made an Anvil.

20240323_123912.jpg



20240324_091932.jpg


20240324_091953.jpg
 
   / Working rail roads and their tracks. #3,505  
Lower weight/loading per axle and enough electric motor power from two axle motors per truck. Has been common on diesel passenger locos since way back, often to increase route availability on older lines.
I'm not sure how far back the arrangement was used, but the EMD E series of locomotives also used A1A-A1A wheel arrangements, as the were basically the power trains of two F series units on one longer chassis. Advancements in the power ratings of traction motors using AC technology has allowed a 4,400HP prime mover power four traction motors.
 
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   / Working rail roads and their tracks. #3,507  
I guess nothing dangerous on board, or it would have caught fire ?? :cool:
What a statement.
 
   / Working rail roads and their tracks. #3,509  
SEPTA, Philadelphias mass transit company just cancelled or suspended it’s order of like $180 million dollars worth of Chinese railcars because they’re junk.

 

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