Broken loco driver spokes

[NW Mailing List]

I don’t have the date that each J got the solid front wheels.  The date of the mechanical drawing was 1948 listing the new solid wheels for the J’s, and 1949 for the K2’s.  The 611 to 613 were built with the solid wheels and the first eleven J’s got them when shopped beginning at about the time the last three J’s were being built.  When the K2’s received the solid wheels, they also got roller bearing axles on the lead and trailer trucks.

Bud Jeffries

From: NW Mailing List 
Sent: Tuesday, January 29, 2019 8:51 PM
To: NW Mailing List 
Subject: Re: Broken loco driver spokes

The lead truck wheels on 600-610 were not replaced until after the 611-613 were built. 611 was the first streamlined engine with the solid wheels. Shortly after, all J's K2's and K2a's got the sold wheels.

Jim Nichols

On ‎Tuesday‎, ‎January‎ ‎29‎, ‎2019‎ ‎12‎:‎04‎:‎16‎ ‎PM‎ ‎CST, NW Mailing List <nw-mailing-list at nwhs.org> wrote: 




    I can't remember where I read this, but an incident in the late

1940's with a K2 locomotive in passenger service prompted the change

from spoke lead truck wheels to solid wheels. A broken wheel derailed

the lead truck, but not the locomotive.


    Referring to the K2's, page 151 of Colonel Jeffries book states

"Beginning in 1949, rolled steel wheels replaced the spoked engine

truck wheels."

    In the chapter on the J class, page 246, he states "In 1948 the spoke

engine truck wheels were replaced by solid steel wheels." Although

Prince's book has a photo of 607 in 1950 with spoke lead truck wheels

p.179). I believe the photo's date is correct because 607 is coupled

to a P-1 Powhatan Arrow coach/crew car.


--Rick Morrison


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