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from obiyan
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Unless I'm missing something, these are rated at 2 tons a pair, so 1 ton (2000 lbs) each. If you get 4 jacks, they're rated to handle a car weighing 8000 lbs.
Unfortunately, it's not that simple.
Since you really don't know what the weight distribution is going to be, each jack stand must individually be able to hold 75% to 100% (depending on the rating certification used) of the pair's weight rating. But they should always be used in pairs anyways, so individual weight ratings would be irrelevant.
In general, and to have a healthy margin of error, I use jack stands rated for the total weight of the vehicle even though a pair is only holding up one end of it.
Since you really don't know what the weight distribution is going to be, each jack stand must individually be able to hold 75% to 100% (depending on the rating certification used) of the pair's weight rating. But they should always be used in pairs anyways, so individual weight ratings would be irrelevant.
In general, and to have a healthy margin of error, I use jack stands rated for the total weight of the vehicle even though a pair is only holding up one end of it.
I agree. Very well put. To add one thing, a stand with higher weight capacity also has a wider base which adds to stability. It may sound like overkill but I use jackstands rated at 6 tons each for our 2WD SUV. Being higher off the ground, each 6 ton stand has a taller reach and the wide base adds extra stability. I also make sure to use wheel chocks with each tire still in contact with the ground. This may sound like over doing it but better safe than sorry.
Yes and no. Would I lay under a vehicle supported by just 2 ton stands, nope. Would I use one of these under the frame along with a floor jack while doing brakes, suspension, rotating tires or something like that from the side of a vehicle, yea I would and have done it. Now if it's got to be up high like on a tall truck/suv, yeah the bigger stands are coming out of the garage, don't like to have those 2 tons up too high.
Yes and no. Would I lay under a vehicle supported by just 2 ton stands, nope. Would I use one of these under the frame along with a floor jack while doing brakes, suspension, rotating tires or something like that from the side of a vehicle, yea I would and have done it. Now if it's got to be up high like on a tall truck/suv, yeah the bigger stands are coming out of the garage, don't like to have those 2 tons up too high.
Understand your point; but I'd rather spend extra $10-$15 and get 3T
I'd pass even at these prices. There have been some incidents where jacks have collapsed due to poorly machined pawls on the ratcheting system. The most notable case of this was Harbor Freights massive recall.
There's a newer style that in addition to having the pawl ratchet closed, a metal bar is inserted that gives a physical lockout for redundancy in case of pawl failure.
The safety ones do cost another few dollars, but these last your entire lifetime, and having that added safety feature on your cheap poorly made Chinese jacks may make that lifetime longer.
I'd pass even at these prices. There have been some incidents where jacks have collapsed due to poorly machined pawls on the ratcheting system. The most notable case of this was Harbor Freights massive recall.
There's a newer style that in addition to having the pawl ratchet closed, a metal bar is inserted that gives a physical lockout for redundancy in case of pawl failure.
The safety ones do cost another few dollars, but these last your entire lifetime, and having that added safety feature on your cheap poorly made Chinese jacks may make that lifetime longer.
Even if they're machined properly, this style can fail if the pawl isn't properly engaged. This would typically happen when someone raises the jack stand in place under the vehicle and it kind of gets wedged, but not locked, in place. It'll be able to hold the vehicle this way...for a while...until it doesn't.
But this style of stand should be fine if you raise it where you have plenty of room to make it sure it drops down and properly engages the pawl, then put it in place under the car.
Even if they're machined properly, this style can fail if the pawl isn't properly engaged. This would typically happen when someone raises the jack stand in place under the vehicle and it kind of gets wedged, but not locked, in place. It'll be able to hold the vehicle this way...for a while...until it doesn't.
But this style of stand should be fine if you raise it where you have plenty of room to make it sure it drops down and properly engages the pawl, then put it in place under the car.
That completely assumes that the pawl is machined properly. Otherwise even with the pawl fully engaged bumping the vehicle could cause a collapse. That's the whole point of the Harbor Freight recall.
When it comes to a life saving device, I'll pay $9 more for redundancy.
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2 tons for just one jack point is a lot of weight for just a passenger vehicle. If you have an Expedition or a F350, then, okay, may be less appropriate. Otherwise, let's say one of these did fail... you do realize it's going to most likely fail at the ratchet point and will hit the top of the base... which is still about, what, over a foot off the ground? It's not like a failure would normally result in a total collapse of the base unit. The base units can support 2 tons with or without the extension "arm."
I Googled "Torin jack stand failure"... and found nothing about any Torin jack stand actually failing. The 3 ton deal at Amzon for $30 for a pair of 3 tons is a good deal, but usually when the tonnage goes up, the stands get bigger and heavier (if they're made of the same material, steel, of course). So, there are reasons why some might prefer these lighter weight 2 tons for a passenger vehicle vs larger/heavier 3 ton stands. I personally use 2 tons on my passenger vehicles, but I usually have a trolley jack AND the stand under the vehicle at the same time (if I'm getting UNDER the vehicle, that is).
Last edited by GimmeYoTots March 19, 2022 at 09:36 AM.
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amazon:
https://smile.amazon.co
$29, was 25 on feb 14.
B0028JQYPG
Then I got a bigger car, and had to buy 3 ton.
I regret buying the smaller ones.
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Since you really don't know what the weight distribution is going to be, each jack stand must individually be able to hold 75% to 100% (depending on the rating certification used) of the pair's weight rating. But they should always be used in pairs anyways, so individual weight ratings would be irrelevant.
In general, and to have a healthy margin of error, I use jack stands rated for the total weight of the vehicle even though a pair is only holding up one end of it.
Then I got a bigger car, and had to buy 3 ton.
I regret buying the smaller ones.
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Since you really don't know what the weight distribution is going to be, each jack stand must individually be able to hold 75% to 100% (depending on the rating certification used) of the pair's weight rating. But they should always be used in pairs anyways, so individual weight ratings would be irrelevant.
In general, and to have a healthy margin of error, I use jack stands rated for the total weight of the vehicle even though a pair is only holding up one end of it.
There's a newer style that in addition to having the pawl ratchet closed, a metal bar is inserted that gives a physical lockout for redundancy in case of pawl failure.
The safety ones do cost another few dollars, but these last your entire lifetime, and having that added safety feature on your cheap poorly made Chinese jacks may make that lifetime longer.
Examples:
https://www.walmart.com/ip/275077288
Pro-LifT T-6903D Double Pin Jack Stand - 3 Ton, 1 Pack, Grey https://www.amazon.com/dp/B074R12...XG87C
There's a newer style that in addition to having the pawl ratchet closed, a metal bar is inserted that gives a physical lockout for redundancy in case of pawl failure.
The safety ones do cost another few dollars, but these last your entire lifetime, and having that added safety feature on your cheap poorly made Chinese jacks may make that lifetime longer.
Examples:
https://www.walmart.com/ip/275077288
Pro-LifT T-6903D Double Pin Jack Stand - 3 Ton, 1 Pack, Grey https://www.amazon.com/dp/B074R12...XG87CS6BAH [amazon.com]
But this style of stand should be fine if you raise it where you have plenty of room to make it sure it drops down and properly engages the pawl, then put it in place under the car.
But this style of stand should be fine if you raise it where you have plenty of room to make it sure it drops down and properly engages the pawl, then put it in place under the car.
When it comes to a life saving device, I'll pay $9 more for redundancy.
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I Googled "Torin jack stand failure"... and found nothing about any Torin jack stand actually failing. The 3 ton deal at Amzon for $30 for a pair of 3 tons is a good deal, but usually when the tonnage goes up, the stands get bigger and heavier (if they're made of the same material, steel, of course). So, there are reasons why some might prefer these lighter weight 2 tons for a passenger vehicle vs larger/heavier 3 ton stands. I personally use 2 tons on my passenger vehicles, but I usually have a trolley jack AND the stand under the vehicle at the same time (if I'm getting UNDER the vehicle, that is).
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