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Reply to "Older New-In-The-Box MTH Proto-2 Engines"

2003-2004.  Check the item number on the MTH site and the manual will tell you what kind of battery it uses.  If it's the 9V battery, that's the older 5V board.

OGR Publishing, Inc., 1310 Eastside Centre Ct, Suite 6, Mountain Home, AR 72653
800-980-OGRR (6477)
www.ogaugerr.com

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