David Minarik posted:MTH HO engines need DC. They do make an AC HO board for the 3rail HO
**AHEM** From an earlier post:
- 1:87 Scale Proportions
- Onboard DCC Receiver
Which means it will operate on a track with the DCC signal present, which is not a DC voltage.
While an MTH Proto3.0 locomotive will operate on DC, it doesn't need straight DC.
Rusty