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Model Railroading > UPP 5769, Which Walthers truck would be correct?


Date: 05/20/13 18:19
UPP 5769, Which Walthers truck would be correct?
Author: EspeeGoldenState

Which Walthers truck would be correct to model this car with?

GSC 41-CNS-11 w/Disc Brakes (silver)
http://www.walthers.com/exec/productinfo/933-1312

GSC 41-N-11 w/Disc Brakes (silver)
http://www.walthers.com/exec/productinfo/933-1311

GSC 41-HR Passenger Trucks w/36" Metal Wheels
http://www.walthers.com/exec/productinfo/933-1068

Or none of the above?




Date: 05/20/13 18:22
Re: UPP 5769, Which Walthers truck would be correct?
Author: nikon1

The truck pictured is a GSC 41 CDO with disc brake. I have a spare set floating around somewhere. PM me if needed.
Charlie
MP 53 on the BNSF Topeka Sub



Date: 05/20/13 19:19
Re: UPP 5769, Which Walthers truck would be correct?
Author: highgreengraphics

There are some smart cookies on here - They all look about the same to me! === === = === JLH



Date: 05/20/13 20:07
Re: UPP 5769, Which Walthers truck would be correct?
Author: 2720

The three model trucks shown are all solid
equalizer bars and the prototype photo has I beam
style equalizer bars.

Any would fill the bill if you're not worried about
Pitnickers!!

Mike



Date: 05/20/13 22:34
Re: UPP 5769, Which Walthers truck would be correct?
Author: MojaveBill

The prototype truck is an outside swing hangar with coil springs...

Bill Deaver
Mojave, CA



Date: 05/20/13 22:42
Re: UPP 5769, Which Walthers truck would be correct?
Author: Notch16

Oh, I don't know if identifying an entirely different kind of truck would qualify as pit-nicking!

The truck under the UP baggage has prominent outside swing hangers, and disk brakes -- meaning no visible brake shoes or hangers like the 41-HR, and no empty brake cylinder cast and drilled mounting plate on the top of the sideframe as on the disk-brake-converted 41-CNS-11 and 41-N-11.

The UP truck also has an entirely different profile to the frame casting. It's a postwar truck, whereas the other trucks listed could be found on prewar cars (in their original clasp-brake configuration). And the UP truck has the I-beam drop equalizers, as 2720 mentions. Actually, the designation should be 41-CUDO, with the 'U' being a unique variant for Union Pacific. (That's '4' for number of axles, '1' for number of bolsters, 'C' for wheelbase code, 'U' for UP, 'D' for disk brake, and 'O' for outside swing hanger.)

Nitpicking would be telling the 41-CNS-11 and 41-N-11 apart. Now that's getting into the weeds. :-)

~ Bob Z.



Date: 05/20/13 23:42
Re: UPP 5769, Which Walthers truck would be correct?
Author: TCnR

swsf Wrote:
-------------------------------------------------------
> This is the one you need:
>
> http://www.walthers.com/exec/productinfo/732-414
>
> http://www.walthers.com/exec/productinfo/933-1061


Yep, outside swing hanger truck is a major spotting feature of later UP passenger cars. No reason not to have them.


What he said, too.



Date: 05/21/13 00:17
Re: UPP 5769, Which Walthers truck would be correct?
Author: Notch16

swsf Wrote:
-------------------------------------------------------
> This is the one you need:
>
> http://www.walthers.com/exec/productinfo/732-414
>
> http://www.walthers.com/exec/productinfo/933-1061

Yes. What they said. Possible edge to the Train Station Products truck for closer-to-UP journal type and pedestal straps; possible edge to Walthers for metal construction; their truck is also a later Amtrak configuration. But who'd notice? :-)

~ BZ



Date: 05/21/13 08:02
Re: UPP 5769, Which Walthers truck would be correct?
Author: Carondelet

UP does run AP-EE Amtrak style rotating end caps on some of the cars, this one still has Timken K box bearings.

I thought someone made a cover for the Walthers trucks to simulate the box bearing look.

Not that it matters, because I'm in N scale, and happy to have trucks that look remotely close to the right style!



Date: 05/21/13 09:53
Re: UPP 5769, Which Walthers truck would be correct?
Author: ATSF3751

If you select a Walthers truck, you will need to add journal covers and decelostats. Train Station Products sells these items.



Date: 05/25/13 15:48
Re: UPP 5769, Which Walthers truck would be correct?
Author: EspeeGoldenState

Unfortunately those wheelsets are sold out at Walthers, does anyone know what cars those would have been on that Walthers sold? Or where a pair or two might be located at a LHS that I could contact.

Chris



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