965 發表於 2014-5-29 06:21
Brushless is ok, make it faster and more efficiency ... however, for a Crawler/Trailer all weathe ...
Yes, I have read thur other forums, it seems Dewalt drill motor is a good choice for upgrading the Summit, it brings much for torque. But it costs $800 for a brand new Dewalt motor in HK which is more expensive comparing to US or Canada.