For anyone that's looking at this topic, I need help finding parts for a couple of locomotives. The first one is a Williams PRR K4 streamlined. This is one of the Crown Edition models that were built by Samhongsa, and the item number is 5010. I have a picture of what I need; it's some sort of tiny board for the tether to the tender.

The other part I need is for one of Atlas's Erie-Builts in 3-rail. I need new couplers for two different Erie-Built locomotives. I'll post a link to the parts diagram for the trucks on the locomotive.

https://shop.atlasrr.com/parts...truck%20complete.pdf

I've tried to search the parts on the internet, and so far no luck. I imagine the part I need for the K4 is harder to find, but I hope I am wrong!

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Whats wrong with the tether board? It has four connections. One goes to the pickup rollers, one directly to the chassis and the other two to the motor. If there is a crack in one of PC traces you can solder that wire directly to the pin behind the connector housing.

Pete

Last edited by Norton

The Atlas Erie-Built couplers (part # 680805) are available from Atlas.  Those couplers are standard on several of their models.

@Norton posted:

Whats wrong with the tether board? It has four connections. One goes to the pickup rollers, one directly to the chassis and the other two to the motor. If there is a crack in one of PC traces you can solder that wire directly to the pin behind the connector housing.

Pete

@Bob posted:

The Atlas Erie-Built couplers (part # 680805) are available from Atlas.  Those couplers are standard on several of their models.

Norton - The tether board BARELY works. Last time I ran the locomotive, it was struggling to change direction when I tried to cycle through the electronic E-unit. I don't know if it's possible to see in the picture, but the little metal strips look like they are coming up like a worn-out carpet. And you might be right - I could just solder the wires directly to the back of the plug itself, but I guess I'd rather save that method as a last resort. I have no idea why they didn't do that in the first place, but I still don't know too much about electronics, let alone in model trains, haha!

Bob - I actually couldn't find the couplers on the Atlas website, and I even typed in the item number itself. If I have to, maybe I could call up customer service and see if they could help me out if there is no other place that sells spare parts for Atlas locomotives.

They use the PC board as a way to mount the connector the engine as well as provide solder pads for the wires. The pins are only .100" apart. The pads are spaced further apart to keep the wires from shorting together.

Pete

Last edited by Norton
@carnerd3000 posted:

The other part I need is for one of Atlas's Erie-Builts in 3-rail. I need new couplers for two different Erie-Built locomotives.

The rear coupler on my Erie-Built disintegrated so I took the front one off the A unit and put it on the B unit. Then installed the fixed pilot on the front of the A.

I believe the couplers that Atlas uses can be had from Lionel. I put Lionel couplers on my Atlas RS-1 when they broke.

Pete

Believe it or not, all the couplers on my Erie-Builts are damaged from zinc rot apparently, so they need to all be replaced. I'll try checking out Lionel's website.

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