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Implement Alley Discussion Forum

John Deere 350 sickle mower

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Author  [Modern View]

05-28-2009 11:50:36

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I am considering a JD 350 7" sickle bar mower for use with my JD 830 tractor. What do I need to look for when giving it the once over ? How reliable piece of equipment is this model? I have not seen it in person, but it looks good in the picture. What is a reasonable price for this implement if in good condition? Thanks for your comments.CDM

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James Howell

05-28-2009 20:21:47

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 Re: John Deere 350 sickle mower in reply to Chris830, 05-28-2009 11:50:36  
The 350 mower is still a popular mower and parts are readily available from Deere - at a price.

I always ask the owner to "run" the mower, why he wants to sell the mower, and when was the last time the mower was used.

In the photo below notice the very large spring on one of the mowers we bought last June.


Check the ends of the spring to see if they have been broken and/or welded.

This spring was good but the spring on the other mower (no picture available) had been broken on one end and had been welded.

In the photo below, notice that there is no spring on "Nelson" the mower that we bought this month.


Springs cost $125 from Deere.

Notice in the photo below the non-clog guard.


These cost less than $15 from Deere and eliminate clogs at the inner shoe.

Notice that "Nelson" does not have a non-clog guard.


You can see in both of the two above photos, that I was in the process of removing the knife.

After removing the knife, it is easy to "inspect" the drive head as Roger Iowa suggested.

He also stated "Make sure all zerks in the drive head have been greased and all components in head are tight."

The zerks are shown in the photo below.


Check for any damage to the knife sections.

The damage on "Nelson" was probably caused by a loose knife hold-down clip.

The ledger plate on the outer shoe was also knocked off when the damage occurred.


Check the cutter bar where it is bolted to the drive head.

Since you are looking at a 7' cutter bar, it will probably be OK.

The 9' cutter bar, because of the extra length, had a lot of stress where it was bolted to the head and was prone to break.

In the photo below notice a "new" 9' cutter bar replacement.


Seller told me it cost him $450 over 5 years ago.

The earlier model 350 had a yellow cutter bar.


The serial number on the early model started with the letter E; later models ended with the letter E.

Our 350 got us through some thick Coastal Bermuda last year with no problem behind "Big John" our '55 model 70 diesel.


Easy mowing with a 350 mower behind a 50hp tractor.


Price range varies: paid $600 for the two we bought in June; paid $750 for "Nelson" this month.

None of our three were "field ready".

Obviously "field" ready has a different meaning for everyone.

Hope this helps and sorry I didn't have a video of the 350 in operation.

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05-29-2009 10:06:10

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 Re: John Deere 350 sickle mower in reply to James Howell, 05-28-2009 20:21:47  
Thanks much for the pictures and info.CDM

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Roger Iowa

05-28-2009 12:47:28

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 Re: John Deere 350 sickle mower in reply to Chris830, 05-28-2009 11:50:36  
I am assuming you are going to use on your 830 three cylinder.

Make sure all zerks in the drive head have been greased and all components in head are tight. Move driven sheave back and forth in several places of the stroke. Slack indicates worn parts. There will be "dead zones" at each end of the stroke and not a concern, unless excessive.

In good condition $750 and up. I would like to have one for grader ditches but don't want to spend the money.

Roger in Iowa

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