My NX6010

[GManBart]

Maybe. About 20 degrees today. I see that all the pockets are peening.

20 degrees F is about 25 degrees too warm for typical carbon steel to become brittle....have to see what EA says they use to make them to have a better idea.

 

[fieldman12]

It's probably better that the shank broke instead of a weld or something else on the box. Eric should get a job testing out equipment to find all the "weak" spots lol. The road looks nice.

 

[MinnesotaEric]

The worst of it is yet to come. Smoothing out the soil where the road/driveway/whatever-it-becomes is easy. My soil is a combo of spagmun peat and sand. I occasionally have a rock. What I do have is roots. The box blade is engaging he scarifiers about 1/2" - 1-1/2" into the top soil and the blade is doing the work. I'm amazed at the peening and the broken scarifier and wondering just how well this tool will hold up as I hoped to use it to not only smooth out 30 acres but also to use on other people's lands and driveways. From my perspective, I wasn't using this tool very hard. Low gear. In this configuration, the tractor is blasted around 7800 pounds and in 4x4.

I got the heavier CAT 2 box blade assuming it to be tough enough to do the work I intended to do and a good value to the Gannon/Woods 80" box blade.

I have on video when the scarifier broke the trouble being that I didn't point the camera down far enough to video the actual break. I'm more interested to learn if I should concerned about the pockets peening than a broken scarifier which could have been a manufacturing defect.

At any-rate, we're all learning and I have confidence that the guys at Everything Attachments know what they're doing. What I do need to know, with everybody seeing how I'm using the attachment, is if I should get a heavier box blade or continue using this blade and the peening is normal and expected and should not impact the use of the tool.

That said, I put Mr. Grapple away for the winter.

With six below temperatures forecasted this evening, the tractor is now rigged for winter and filled with number 2 diesel cut with number 1 diesel, which should be good down to 20 below fahrenheit before fogging up.

 

[s219]

Take a picture of the fracture (both pieces) of that ripper and post here. Might have some clues. I doubt 20F is cold enough to be a factor. It was either cheap metal, or had a defect, or maybe you just exceeded the design load.

 

[MinnesotaEric]

Take a picture of the fracture (both pieces) of that ripper and post here. Might have some clues. I doubt 20F is cold enough to be a factor. It was either cheap metal, or had a defect, or maybe you just exceeded the design load.

All I have in the back of my truck at the Nevis Muni is the bottom part.

 

[s219]

If you can get a closeup of the fracture surface, please post, otherwise no big deal. There will be some sort of story told by that surface....

 

[k0ua]

Interesting that it did not break at the hole.

 

[oldpilgrim]

it's not a close enough pic to be sure, but that looks like a casting to me.

 

[milkman636]

It looked to me like the piece of steel backing the scarifier up was split, right on the back slide of the slot. If that is a split, it needs to get fixed. The tine is a simple drop in replacement. A sideways load could break it, especially if turning while its in the ground.

 

[TSO]

I think it was a design or manufacturing flaw in the shank personally.

I have used my 7ft box blade like crazy this year, snagging stumps, roots, bricks, boulders, etc. I've never broken a shank.

Today I graded about an acre size parking lot that was paved with asphalt millings. I used the shanks to break up the asphalt, much of it being solid patches. That's pulling in Med gear with 48 HP, up to around 7-8 mph.

I really doubt it was the cold...