The parts catalog is available online at jdparts.deere.com
On the home page there is a link John Deere Parts Catalog.
Type in the model in the Model Search dialog box and click the Find button.
Scroll down and click the PC675 - Model A link.
Click the OK button.
When the Download Complete message box appears, click the All files have finished downloading. link.
The parts catalog PDF file is now on your computer in the Downloads folder.
Hope this helps.