Why did 0-6-6-0 locomotives have no pilot wheels?

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R

Robert Gift

OL Presenter
Not needed to gethrough switches? (The tender wheels would act as guides when backing.)
Did they ever derail other than from track problems?
Thank you.
 
Low speed, and more weight on drivers.

If it had pilot wheels, it would no longer be an 0-6-6-0. :)

Bruce
 
bcp said:
Low speed, and more weight on drivers.
If it had pilot wheels, it would no longer be an 0-6-6-0.
Bruce
Click to expand...
Never knew of an articulated locomotive without pilot wheels.
Wondered how much weight was taken fromy great uncle's 4-6-2 and 4-8-4 locomotive's drivers by the pilot wheels.
 


Robert Gift said:
Never knew of an articulated locomotive without pilot wheels.
Wondered how much weight was taken fromy great uncle's 4-6-2 and 4-8-4 locomotive's drivers by the pilot wheels.
Click to expand...
Leading and trailing trucks support a lot of weight, not just act as guide wheels.

An example, after a quick search, from https://www.steamlocomotive.com/

Erie K4 4-6-2, locomotive only, not including tender

1729894628208.png


Union Pacific FEF-1 4-8-4, locomotive only, not including tender

1729894811418.png


Western Maryland 4-6-6-4, locomotive only, not including tender

1729896207890.png


Bruce
 
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