WA312-8215-100 is a 31 Series gear housing, a power take off (PTO) housing cover sized for the 1 1/2 in. gear housing bore. It mounts to the 31 Series PTO gear train to enclose and support the internal gearing.Features31 Series PTO gear housing cover1 1/2 inch housing sizePart number WA312-8215-100Fits 31 Series PTO gear housing assembliesTech Specs31 Series gear housing1 1/2 inch size