Brake assembly

In a tractor, the combination comprising:

• a differential housing;
• a transmission including a transmission housing secured immediately forwardly of the differential housing, said transmission housing having a rear wall, and a drive shaft extending rearwardly from said rear wall and disposed within the differential housing;
• brake discs mounted on the drive shaft;
• a disc brake construction adapted to engage said disc brakes and hold them from rotation, said disc brake construction also including a shiftable brake applying link;
• a mounting structure secured to the rear wall of said transmission housing and supporting said disc brake construction;
• a lever having an intermediate portion engaged by said link, one end of said lever being pivotally connected to said mounting structure and the other end being provided with a cam follower surface;
• a cam;
• means rotatably supporting the cam in engagement with the cam follower surface;
• and
• means operable to rotate said cam and capable of causing said drive shaft to be braked, said means including a rotatable shaft passing through an aperture in the differential housing.