350 mower drive head

Fudd · Sep 15, 2017

A friend has a 350 mower and the shaft in the drive head is bent which breaks the cutterbar. Boy, are they
pricey. Does anyone know where we might get the complete drive head? TIA

Roger in Iowa · Sep 15, 2017

Reference some part number so we can see what is bent. go to JDparts.com and enter model number.

Really doubt a bent shaft is breaking "cutterbar". Maybe the sickle or knife is breaking or is it the knife head. Cutterbar is the heavy 7' or 9' bar the guards are bolted onto.

ET · Sep 15, 2017

There is a needle bearing under the wobble arm on those mowers. If you don't know about the grease fitting for it you probably won't find it. When that bearing goes drive heads break.

James Howell · Sep 15, 2017

"[b:654c4848f0][i:654c4848f0]<font color="#6699ff">Reference some part number so we can see what is bent.[/i:654c4848f0][/b:654c4848f0]</font>"

Take a look at the [b:654c4848f0]Drive Head[/b:654c4848f0] diagram below.

Hope this helps.

James Howell · Sep 15, 2017

"[b:654c4848f0][i:654c4848f0]<font color="#6699ff">If you don't know about the grease fitting for it you probably won't find it.[/i:654c4848f0][/b:654c4848f0]</font>"

Take a look at the photo below of the location of the grease fitting for the ball bushing with needle bearing and seal.

Hope this helps.

Fudd · Sep 15, 2017

Shaft #11 is bent as the flywheel wobbles and yoke #37 can be moved forward and backward. When the mower runs the cutterbar goes back and forth as well as forward and backward so more than one thing is wrong.

Bob · Sep 15, 2017

Typically, pin #31 gets loose in casting # 16, or the casting breaks when the pin gets clamped in place by bolt #23.

If you actually need the shaft #11, I have several good ones in wobbleboxes that have failed in the manner I previously stated.

Fudd · Sep 15, 2017

I would definitely need a shaft if you have a known good one. Can I call you sometime?

Bob · Sep 15, 2017

Email me, [email protected].

WOW, I just looked at the DEERE parts site, shaft lists for $626, the housing/casting for $1130!

Fudd · Sep 15, 2017

If I could figure out how to turn on my email, you could email me.

Fudd · Sep 15, 2017

Yeah, I about choked on my coffee when I saw that.

James Howell · Sep 16, 2017

Pure speculation on my part, but sounds like several of the bearings need to be replaced.

You might consider removing the shaft and inspecting all the bearings.

The [b:654c4848f0]<a href="https://www.ebay.com/sch/i.html?_from=R40&_trksid=p2380057.m570.l1313.TR0.TRC0.H0.XTM-1076.TRS0&_nkw=TM-1076&_sacat=0">John Deere 50,250,350, and 3700 Mower Drive Case Technical Manual TM-1076</a>[/b:654c4848f0] has all the necessary information.

Hope this helps.

350 mower drive head

Fudd

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Roger in Iowa

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ET

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James Howell

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James Howell

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Fudd

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Bob

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Fudd

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Bob

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Fudd

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James Howell

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