4-8-8-4 UP "Big Boy" vs. 4-6-6-4 UP Challanger in N scale

[TomDiehl]

I am going to build a N scale MR and didnt know which loco was better as far as the pros and cons.  Let me know that would help.  Thanks.

You might do better posting this under the "Model Railroader" heading. This section is for the discussion of REAL trains, not models.

[Anonymous]

I am going to build a N scale MR and didnt know which loco was better as far as the pros and cons.  Let me know that would help.  Thanks.