Dim A (1)
29 Teeth Sprocket
Dim B (2)
14 Teeth Gear
Fits the following makes and models:
John Deere COMBINE: 9660STS
John Deere COMBINE: 9670STS
John Deere COMBINE: 9760STS
John Deere COMBINE: 9770STS
John Deere COMBINE: 9860STS
John Deere COMBINE: 9870STS