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[quote user="peahrens"] On the potential of cracked gears, the cracks can be hard to see.  If you remove the axles you should not be able to twist the wheels opposite directions with moderate force, as the axle to gear force fit is pretty tight.  A crack is often along the longitudinal cylinder of the gear where the axle fits in.   I had a P2K E unit with bad gears and when I pulled the wheels from the gears I could see the crack when I twisted a gear and shined a light into the axle hole. Note the number of gear teeth as they can be different on different locos or different release dates.  I could not use the Athearn gears readily available for my E6 as the teeth number was different and it would not run well with the Athearn.  Walthers did not have the correct gears but had some front trucks from which I used the wheelsets. The Walthers tech guys can advise on details and options. <div style="clear:both;"> </div> [/quote] I'm not familiar with that particular model, but I've some experience where a unit will stop running at slow speed. You may want to try something that's worked for me. Take a wire that's bare at both ends. Hold one end on one rail, then take the other end and, if you can, touch it against the pickup for that side of the motor. If the unit starts, you have a break in the circuit somewhere betwenn the rail and the motor. As an earlier poster said, most likely a pickup. They can get ozidized over time and make intermittent contact. You could try to clean it, but depending on the way things are done, you could also try hard wiring from another location to the motor contact, bypassing the pickup. Again, without being familiar with that engine I'm not sure what's possible. I hope this helps.
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