John Deere Original Equipment Extension Spring - TCU20773 End Type: 02/03 Wire Diameter: 3.429 MM Outside Diameter: 29.490 MM Free Length: 179.970 MM Spring Rate (LBF/in or N/mm): 2.570 N/MM Initial Tension (LBF or N): 50.710 N Number of Coils: 30.000 UNITY Material: A15-7 Finish: K Fits the following John Deere models: 647, 647A, 657, 657A, 667, 667A, 717, 717A, 717E, 727, 727A. This is an O.E.M. John Deere Part.
John Deere Original Equipment Extension Spring - TCU20773 End Type: 02/03 Wire Diameter: 3.429 MM Outside Diameter: 29.490 MM Free Length: 179.970 MM Spring Rate (LBF/in or N/mm): 2.570 N/MM Initial Tension (LBF or N): 50.710 N Number of Coils: 30.000 UNITY Material: A15-7 Finish: K Fits the following John Deere models: 647, 647A, 657, 657A, 667, 667A, 717, 717A, 717E, 727, 727A. This is an O.E.M. John Deere Part.