Motor body size:52.7mmx35.6mm/2inx1.4in
D-shaft size:3.1mmx16.3mm/0.125inx0.64in
The white connect cord:55cm/21.6in
The black connect cord:20cm/7.8in
Rotation direction: the motor looks down at the top of the blade.
Usage method:Just connect the fan to the motor switch, then connect the switch to RV, make sure the wires are black to black and connect the other wires together, pull the central part of the blade down the shaft and push the blade central hub back to the new motor shaft.