JD 445/FD620D Plastic Cam Failure/Replacement

26404 Views 15 Replies 12 Participants Last post by Jcbaker06, Oct 3, 2016

teamteets

Discussion Starter · Jan 30, 2012 (Edited)

I finished replacing the plastic cam gear in my 445. I recorded some youtube video of the replacement. Also below is a spreadsheet of the parts, and some identifying info that came from folks on this list. Hopefully this will make it easier for anyone else that has the plastic gear fail.

Overview Video
http://youtu.be/n8uXu-kB50U

Parts Spreadsheet
https://docs.google.com/spreadsheet/ccc?key=0Aidd3qTmkhp8dHpxanJHRGtBem1zRFhPVTRSNmtJcEE

FD620D Model Reference (sticker below front accessory shaft, although many are missing)
Engines marked FD620D-AS01, BS01 have a plastic cam gear
Engines marked FD620D-CS01, DS01 have a steel cam gear

JD 445 Model Year Serial Numbers for Reference 1998 started steel gear
1993: 010001-020000
1994: 020001-030000
1995: 030001-040000
1996: 040001-050000
1997: 050001-060000
1998: 060001-070000
1999: 070001-080000
2000: 080001-090000
2001: 090001-

Steel cams starting with...
FD620D-CS00 - Beginning serial 153727 - Model F911
FD620D-DS02 - Beginning serial 149283 - Model 425
FD620D-CS01 - Beginning serial 150198 - Model 445
FD620D-ES11 - Beginning serial 152490 - Model 6x4 Gator

Thanks for all the help from this forum! It was not a bad job at all especially knowing I had support here if I needed it.

Mike

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techie1961

· #13 · Dec 17, 2015

I dislike the anxiety of not knowing when something is going to let me down. The first thing I would do is take off the water pump and have a look to see if it is still the plastic gear. If not, put her back together and carry on. If it is, I would schedule a time when it is convenient for you, not the gear.

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