Inside of 4449's firebox

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Bob

Forum Host
Staff member
#1
A rarely seen view of SP 4449

Southern Pacific GS-4 4449, known as "The Daylight", may well be the most photographed locomotive in the world. Even so, this one is different than most. This shot shows the inside of the firebox. 4449 is currently undergoing extensive boiler work, as mandated by the FRA regulations. Part of that work can be seen here. While visiting the ORHC, I found they they had disassembled a bit of the firebox, and the resulting opening allowed you to poke your head in and get photos. Showing what a great place the museum is, they even placed a sign telling folks about it, along with a small stepladder for a better look inside. Certainly a unique view of an area that is typically only seen by the crew.

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#2
A definite advantage to a diesel locomotive is you don't have to install each one of those staybolts(those are the bumps that look like rivets, because they are like rivets). That firebox would make a great railfan man cave.
 

Bill Anderson

Well-Known Member
#3
I recall that during past FRA mandated boiler rebuilds, improvements (such as insulation) were made utilizing new technology and materials not available in the late 40's when the Daylight was constructed. Will similar improvements will be made this time around?

Stories have been written about how many people could fit inside the boilers of the largest steam locomotives. Photos of the inside of 4014's boiler are sure to surface once work begins on its restoration.
 

Bob

Forum Host
Staff member
#4
I recall that during past FRA mandated boiler rebuilds, improvements (such as insulation) were made utilizing new technology and materials not available in the late 40's when the Daylight was constructed. Will similar improvements will be made this time around?

Stories have been written about how many people could fit inside the boilers of the largest steam locomotives. Photos of the inside of 4014's boiler are sure to surface once work begins on its restoration.
Bill, while I'm friends with some of the 4449 crew, I'm not at all involved in the work, and so I can't comment on what changes, if any, they plan. I know that many of the insulation changes were driven by the fact that in the 1940's "state of the art" insulation was made with asbestos. That material is long gone on operational steam these days.
 
#5
I recall a Lempor exhaust system was added to the 4449; what were the results of this modification?


And I retract that statement. It was the UP3985 which had a dual Lempor installed. My aging memory, my bad.
 
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