The AFI 1000 heavy duty wiper motor is fully waterproof with a thermoplastic cover and power wiper arm and blade combinations up to 450mm (18") length. 2 drive shaft lengths are available.
AFI 1000 Motor
RWB5806: 12 volt 40mm shaft length (plus knurled arm nut)
RWB5807: 12 volt 63mm shaft length (plus knurled arm nut)