The WA312-2817-000 is a gear set built for 20/30/31 Series power take off (PTO/PTU) units with a 1-3/4 in. specification. This kit supplies the gear components needed to service these PTU applications. Sold by Pro Gear and Transmission.FeaturesGear setPart number WA312-2817-000Fits 20/30/31 Series power take off units1-3/4 in. sizeTech SpecsSize: 1-3/4 in.Application: 20/30/31 Series PTU