This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Fixed Diff B.svg validSVG fixed differential gear system This arrangement has typical ratio of between and The ratio is given by mG frac is the number of teeth on the No Planet gear dark blue on the right The fixed member is the No Ring the input member is the Planet Carrier PC red and the output member is the No Ring selfmade