{HEAD ~ The power take off unit} 20 may selectively couple to {TAIL ~ the accessory} 16 to deliver the torque output thereto 
selectively couple to
{ HEAD ~ The power take off unit } 20 may selectively couple to { TAIL ~ the accessory } 16 to deliver the torque output thereto
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH