The Muncie 14T65653 is an SAE “A” 2-bolt output flange for Muncie A20 and A30 series power take-off units. Identified in Muncie’s own service parts documentation, this flange is the output interface component that mates hydraulic pump drives to the PTO. The A20 and A30 series are medium-duty, clutch-shift PTOs designed for Allison 3000 and 4000 Series transmissions. Muncie’s service documentation also references an associated O-ring (12T34003) used with this flange assembly. Pro Gear and Transmission carries genuine Muncie components. Call us to confirm this part fits your specific PTO configuration.FeaturesSAE “A” 2-bolt output flange configurationDesigned for Muncie A20 and A30 series PTO unitsCompatible with PTOs built for Allison 3000 and 4000 Series transmissionsIdentified in Muncie service parts documents SP21-01 and SP25-01Used with O-ring 12T34003 per Muncie service documentationGenuine Muncie part sold by Pro Gear and TransmissionTech SpecsPart Number: 14T65653Component Type: SAE “A” 2-Bolt Output FlangeCompatible PTO Series: Muncie A20, A30Transmission Application: Allison 3000 Series, Allison 4000 SeriesAssociated O-Ring: 12T34003PTO Type: Medium-duty, clutch-shiftUsed in these Muncie PTO modelsA20 SeriesZ21 Series