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.