This is the drive sprocket for a majority of the Case and New Holland track loaders. This drive sprocket has eight bolt holes and seventeen drive teeth. This CNH drive sprocket is guaranteed to fit the following serial breaks:
Case: CT420, CT440, CT445, CT450
Case TV 380, TR270, TR310, TR320, TR340
New Holland: C175, C185, C190
New Holland LT185, LT190
New Holland C227, C232, C238