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OP
Beaux Duke
Silver Member
How much for 3/8 in. grade 70?
OP
Beaux Duke
Silver Member
My tractor weighs 8k lbs.
Could you explain to me how the chain rating works.
I was thinking one chain on one corner is good for either 4700 or 6600. Doesn't appear to be enough to me. Of course the tractor won't be hanging by one chain (I hope). Do you multiply by the number of chains you use to determine whether you're properly covered? Would 2 chains on the rear be 4700 X 2 = 9400? Not a lot of cushion compared to 6600 X 2 = 13200. But then again, I'm not sure if that's how it works as far as how much you're "covered". The price of 3/8 is a lot more that's for sure!
I really don't want an 8k tractor coming through my back window but if 5/16 will work then I'm not opposed to using it.
Thanks
Could you explain to me how the chain rating works.
I was thinking one chain on one corner is good for either 4700 or 6600. Doesn't appear to be enough to me. Of course the tractor won't be hanging by one chain (I hope). Do you multiply by the number of chains you use to determine whether you're properly covered? Would 2 chains on the rear be 4700 X 2 = 9400? Not a lot of cushion compared to 6600 X 2 = 13200. But then again, I'm not sure if that's how it works as far as how much you're "covered". The price of 3/8 is a lot more that's for sure!
I really don't want an 8k tractor coming through my back window but if 5/16 will work then I'm not opposed to using it.
Thanks
Last edited:
JB4310
Super Member
Not positive but pretty sure the sum of the chains has to be equal to or greater than the load. so yeah 4x 5/16 would be enough, but if your tractor weighs 8,000 lbs I wouldn't consider anything but grade 70 3/8.
With the 5/16 you would have to watch it closely for any minor nicks or other imperfections that would down grade the chain, at least with the 3/8 you have a little buffer against minor damage.
I think it has been determined that Lowe's only has the 5/16 in grade 70.
JB.
With the 5/16 you would have to watch it closely for any minor nicks or other imperfections that would down grade the chain, at least with the 3/8 you have a little buffer against minor damage.
I think it has been determined that Lowe's only has the 5/16 in grade 70.
JB.
OP
Beaux Duke
Silver Member
Just got back from Lowes. All they had at my local store was 5/16 in Grade 70.
TSC had Grade 70 in 20 foot lengths so I bought 2 and had them cut it at the middle link. Didn't think they were going to be able to cut it in two for a few minutes.
There'$ a rea$on it come$ in a gold color.
Next time I will plan ahead so I don't have to buy at the last minute.
TSC had Grade 70 in 20 foot lengths so I bought 2 and had them cut it at the middle link. Didn't think they were going to be able to cut it in two for a few minutes.
There'$ a rea$on it come$ in a gold color.
Next time I will plan ahead so I don't have to buy at the last minute.
Yes, it's made by Campbell and at $36.00 is a fantastic buy. Thanks for the heads up!!
Campbell 5/16" X 20' chain @ Lowes
burnetma
Gold Member
This is the way I understand it to work.
The requirement for wheeled vehicles is that the sum of the "weakest link" must be equal to or greater than the load retained. Four chains and four binders are required. So, in the case of Grade 70 5/16" chains and binders used at 1/corner the safe load would be 18,800 lbs (4 x 4700 lbs).
If I am wrong, I would appreciate somebody speaking up.
This is my approach to binding down my 10,200 lb tractor.
The requirement for wheeled vehicles is that the sum of the "weakest link" must be equal to or greater than the load retained. Four chains and four binders are required. So, in the case of Grade 70 5/16" chains and binders used at 1/corner the safe load would be 18,800 lbs (4 x 4700 lbs).
If I am wrong, I would appreciate somebody speaking up.
This is my approach to binding down my 10,200 lb tractor.