 | | Re: Train compatibility?
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| (...) LEGO trains have a high degree of compatibility. The only real source of incompatibility is the electrical items. This means for example that 9V and 12V track and motors are incompatible, and neither will run on 4.5V track (though 4.5V and (...) (24 years ago, 23-Jul-01, to lugnet.trains)
| |  | | Re: Train compatibility?
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| (...) There is a very slight difference in the overall diameter of the 4.5V wheels versus the 9V wheels.-Harvey (24 years ago, 23-Jul-01, to lugnet.trains)
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