Lionel The Polar Express Train Set "locomotive unit" Questions

Locomotive #1225 will only go in reverse No doubt the transistor in the motor controller inside the engine is shorted TIP31C Q6 If you have the skills you can repair the unit. Parts are cheap, like 50

...locomotive Check to be sure that the reverse unit is on. This may be a lever on the top of the locomotive or a slide switch under the engine. If that doesn't solve the problem, you will need to take ...

I have three older marklin locomotives that are experiencing the same problem. As power is applied they start to chatter more and more loudly and will not run at full power. Sometimes they do this ...

...mainline speed. In addition, I will frequently get a quiet squeeling sound eminating from the lead locomotive. I tried switching out the lead and follower locomotives but the noise and undulating ...

...locomotive will not smoke with smoke fluid in stack and smoke switch on. You may have to check if there is power to the heating element. You can also check to see if there is too much fluid. You can ...

I am using a standard 80 watt transformer (not command control), but the rail sounds do not work on this unit at all. I have checked the on/off switch and played with the volume, but still no sounds. ...

...locomotive. Yellow and black in color. The set came with a coal car, box car, and cabose. If the smoke unit was working, and no longer does, it may be burned out. Did you turn the unit off after ...

wiring diagram Need wiring diagram for an older Williams U-33c. Want to replace the E-unit with new Universal E-unit Try searching OGR Forum. Those guys have an answer for things like this.

...locomotive will only go in one direction or sits in neutral. If that is the case, the direction unit will need to be serviced (mechanical type) or replaced (electronic type). Go to Lionel.com for ...