The Muncie 04T39180 is a Reverse Idler Gear used in Muncie FR63, FR64, and FR67 Series Power Takeoff units. This part is identified as item 39 in Muncie’s official illustrated parts lists for all three series, with a quantity of one per assembly. It is the gear responsible for enabling reverse rotation within the PTO drivetrain. This gear is a genuine Muncie component sold by Pro Gear and Transmission. Call us to confirm proper fit for your specific unit before ordering.FeaturesGenuine Muncie Power Products Reverse Idler GearPart number 04T39180, item 39 in the FR-Series illustrated parts listFits Muncie FR63, FR64, and FR67 Series PTO assembliesQty 1 per PTO unit per Muncie service documentationSold by Pro Gear and TransmissionTech SpecsPart Number: 04T39180Description: Reverse Idler GearItem Reference: 39 (Muncie FR-Series illustrated parts list)Qty Per Assembly: 1Applicable PTO Series: FR63, FR64, FR67Used in these Muncie PTO modelsFR63 SeriesFR64 SeriesFR67 Series