New here sayin hello. Be rooten around for awhile. Well the tqi reciver or sv2 esc craped out today.Steering but no throttle. Went to Lhs picked up a duratrax 3900 combo and new rx. Changed out esc no luck, changed rx no luck ,New ecs + rx did the trick. So the cc 4600 does well on a 18/83 2s. Would the 3900 be a upgrade with same gears on a 5 lb rustler. Runing grass and gravel no road use.
Should be a little slower and have a little more torque
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Are both motors 4-pole? That would also help decide which is more powerful.
My Black & Blue Rally is faster than your color...
Not sure what pole. I sure would like to know.There is no marking on case solid green just a yellow sticker on rear 4600. It came on truck used. When i spin the shat it's smooth unlike the 3900 4-pole. Thanks for the replies