The Muncie 12T36879 is an NBR O-ring used in Muncie FR63, FR64, and FR67 Series power takeoff units. Manufactured to a 70 Shore A hardness rating with a 0.070-inch cross-section and 0.739-inch inside diameter (1.78 x 18.77 mm), this O-ring appears in the illustrated parts lists for all three FR-Series PTOs, with up to two required per assembly depending on the position. Fitment is documented in Muncie's own service parts literature for the FR63, FR64, and FR67 Series. Call us to confirm the correct quantity needed for your specific repair or rebuild.
Features
NBR (nitrile) material, 70 Shore A hardness
Cross-section: 0.070 in. (1.78 mm); inside diameter: 0.739 in. (18.77 mm)
Fits Muncie FR63, FR64, and FR67 Series PTO units
Listed in Muncie's own illustrated parts manuals for all three FR-Series models
Up to 2 required per assembly depending on position
Genuine Muncie part number 12T36879
Tech Specs
- Material: NBR (nitrile rubber)
- Hardness: 70 Shore A
- Cross-section diameter: 0.070 in. (1.78 mm)
- Inside diameter: 0.739 in. (18.77 mm)
- Metric dimensions: 1.78 x 18.77 mm
- Applicable PTO Series: Muncie FR63, FR64, FR67
- Quantity per assembly: 1-2 (position-dependent)
