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Discussion Starter · #1 ·
Hello I have a 212 with the "special" 2 blade mower deck. Anyone know what blades this deck takes, the 2 blades are different lengths and have different serial numbers. When I search the serial numbers they aren't john deere. Any help is appreciated.

Thank you
 

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Walt, Not really a "special deck. From partscatlog.deere.com:
38-INCH MID-MOUNT ROTARY MOWER (210, 212, 214, 216, 316, 318, 322, 330 AND 332 TRACTORS)
1984 MODEL (SERIAL NO. M00663X505001-525000) (210, 212, 214, 216, 316, 318)

I can't make out all of the serial number, but it's greater than 505001 and less than 52xxxx, So it's a 38" deck.
The original blade for that deck was an M82406 and JD changed it to an AM1009466. Here's the parts catalog:
796230

Hope this helps, Bob
 

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How much difference in the lengths of the two blades? Above listing indicates both blades would be the same. Maybe you do have a "special deck" !

tommyhawk
 

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JD Parts no longer gives us the info we need such as length, width, thickness, and hole size for the M82408 blade, which is the standard lift blade listed for both the serial number breaks. Also says sub M82408 for AM1009466. Weird! There are medium and high lift blades that can be used if you desire. Different part numbers of course. Then there are Gator and Predator brand mulching blades. But you will want to know what blade actually fits first.
Anyway, maybe you could take both blades to the dealer and see which, if either matches whatever part number they have for that deck. Take a copy of the serial number along to save trips.
While the blades are still mounted, check how much distance is between the blades when lined up at the closest point. Usually they are about 1/8-1/4" from touching.
I'm going out on a limb and thinking the 19.5" blade would be the correct one. 2 x 19.5=39". The blades usually overlap a total of 1.00" on JD decks I have worked with. That's supposed to keep from leaving uncut strips of grass when turning. On the 2 blade deck, the left spindle is set forward of the right one so the blades cut only a 38" path and don't hit each other. On the 3 blade models, the center spindle is forward of the other two. The decks that use timing belts are different, but I don't think that is what you have.
Keep us posted with what you find. Hopefully the deck isn't bent somehow and a previous owner put on a different blade to make up for it.

tommyhawk
 

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Tommy & Walt, Sometimes Greenspartstores.com gives the old JD specs that we're used too! And in the case of M82408, they show:
John Deere Standard Mower Blade (38-inch cut)
Specification
Length19.575 IN
Width2.520 IN
Thickness0.204 IN
Wing Height0.787 IN
Hole Size0.690 IN
Cut Length4.331 IN
Material10B38F
FinishA
NoteN

Bob
 
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Both blades should be the same size.
 

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Discussion Starter · #9 ·
Thank you for all the replies and help. There is a gap between the blades so I'm guessing previous owner just used what he could find. I'm going to get a pair of 19.5 and see what happens. I'll keep you updated.
 
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