Someone check me on this: I think the front screw is 257-46N and the rear screw 257-39.
You may be able to fix the loose wheel by slightly upsetting the end of the axle. One way to do this is to make a few diagonal grooves with a pair of wire cutters, but don't go overboard--make a few and try the wheel on.
Bob Nelson
Thanks all, I'll check and see if I can find this baby now that I have a starting point. Thanks Bob for the wheel advice. Respectfully, Jake
Make sure the side rails are installed correctly or the wheels may bind up. The 259E is like the 249E it has gears to connect the two wheels on the locomotive and side rods(for show), one set of rods is down and the other set is up when parked. If one set of wheels turns freely you may have a broken or missing gear somewhere, NOT 100% certain on the 259E, I suspect that you have a faulty 259E!
I have a 249E and both wheels have gears on them and turn from the motor.
Lee F.
Bob, I guess I didn't read it correctly the first time. Any way that is something that I have not encountered with any of my post war or pre war locomotives. I have a 249E and two 224's, one post war and one pre war but never had a wheel get loose on the axle. Have experianced bad traction and dirty wheels.
Maybe ruffing up the axle will work. I don't recommend soldering as this is a moving part.
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