Where do you place jack???

[bigshovel]

I have a New Holland TC21D. There just does not seem to be any good place, or room on the rear end to get both back wheels off of the ground to swap wheels. The fixed drawbar appears to be a good spot however I don't know if it will damage drawbar or casting. Opinions welcome.

Brad

 

[George2615]

It may require two jacks. One under each side to get both off the ground. Or jack up one side and use a jack stand the do the other.

 

[RobJ]

It may require two jacks. One under each side to get both off the ground. Or jack up one side and use a jack stand the do the other.

This is the way I did it. One spot in the middle and it was way to unsteady.

What are you swapping, turfs and ags? One side at a time is safe to.

Rob

 

[RoyJackson]

I place a floor jack directly under the draw bar bracket for jacking. You're know soon enough if it's positioned correctly. Once high enough, I place a jack stand under both sides of the rear axle and lower the floor jack just enough to seat the axles on the jackstands.
The draw bar bracket under the Deere 790 is robust and can take the load. You can always put a piece of wood between the jack and bracket if you're worried about damaging the bracket.

 

[Northstar9126]

This is the way I did it. One spot in the middle and it was way to unsteady.

What are you swapping, turfs and ags? One side at a time is safe to.

Rob

Plus when you pull off the tire on one side the side with the tire still on weighs more so the tractor tilts to that side putting the remaining tire on the ground so that you can't get the tire off, forcing you to use a second jack anyway. Not that I have ever had this happen to me more than once.

 

[TCBoomer]

I have a New Holland TC21D. There just does not seem to be any good place, or room on the rear end to get both back wheels off of the ground to swap wheels. The fixed drawbar appears to be a good spot however I don't know if it will damage drawbar or casting. Opinions welcome.

Brad

You'll be fine lifting under the drawbar, I lifted my TC21 a number of times using it. Be aware though...the front axle pivots and when you start to raise the tractor, it will lean to one side. But it will only tilt so much, so don't get nervous.

You can either stuff a wood wedge into the front axle pivot to eliminate the movement, or just raise the rear of the tractor high enough for both tires to clear the floor and then stick a couple jack stands under the axle and it'll level out when you lower it back down.

 

[john_bud]

I have a New Holland TC21D. There just does not seem to be any good place, or room on the rear end to get both back wheels off of the ground to swap wheels. The fixed drawbar appears to be a good spot however I don't know if it will damage drawbar or casting. Opinions welcome.

Brad

Use 2 stout (and I mean stout, 8-10 ton) stands. One under each axle. Jacks are used to jack, not support. After taking off one wheel, the tractor will want to pivot and can quickly do bad things.

If you're married, go show your wife this thread and let her know you were about to do something that was almost certain to end in a broken something. Tractor, bones, or even death. That way she can either way way up your life insurance, or slap some sense into ya. (Her choice).

 

[bigshovel]

Thanks for the replies, I leave the fel on so front axle articulation is a non issue. My turfs are about 5 inches shorter than the R4's per "NH spec" so entire rear axle off the ground is a must. Both sets of tires are filled so jockeying them any higher even with assistance of hoist is a pain. I guess I'll get a set of heavy stands.

Brad

 

[bigshovel]

Use 2 stout (and I mean stout, 8-10 ton) stands. One under each axle. Jacks are used to jack, not support. After taking off one wheel, the tractor will want to pivot and can quickly do bad things.

If you're married, go show your wife this thread and let her know you were about to do something that was almost certain to end in a broken something. Tractor, bones, or even death. That way she can either way way up your life insurance, or slap some sense into ya. (Her choice).

The amount of life insurance she demands now leaves me with suspiscion. Or she sees me as very accident prone.

Brad

 

[RalphVa]

I've removed rear tires by placing a floor jack underneath the side of the drawbar I want the wheel off of. That works great. For removing both sides, I think I'd put in a prop underneath the axles to keep the tractor from tipping.

Ralph

 

[Farmwithjunk]

I place a floor jack directly under the draw bar bracket for jacking. You're know soon enough if it's positioned correctly. Once high enough, I place a jack stand under both sides of the rear axle and lower the floor jack just enough to seat the axles on the jackstands.
The draw bar bracket under the Deere 790 is robust and can take the load. You can always put a piece of wood between the jack and bracket if you're worried about damaging the bracket.

What Roy said.

 

[AndyMA]

What Roy said.

I've done that many times. worjs fine. BTW another good reason to \have a backhoe, no jacks needed, stabilizers lift tires just fine.

Andy

 

[AndyMA]

Use 2 stout (and I mean stout, 8-10 ton) stands. One under each axle. Jacks are used to jack, not support. After taking off one wheel, the tractor will want to pivot and can quickly do bad things.

If you're married, go show your wife this thread and let her know you were about to do something that was almost certain to end in a broken something. Tractor, bones, or even death. That way she can either way way up your life insurance, or slap some sense into ya. (Her choice).

I agree that jacks are meant to jack not to support. But John, this is a 3000 lb tractor and your only talking 1/4 of that on each jackstand, Even for me, Mr Safety a 20,000 pound jackstand seems a little overkill for a 750 pound load.
Andy

 

[RoyJackson]

I agree that jacks are meant to jack not to support. But John, this is a 3000 lb tractor and your only talking 1/4 of that on each jackstand, Even for me, Mr Safety a 20,000 pound jackstand seems a little overkill for a 750 pound load.
Andy

Man's being proactive for buying a larger tractor!
Seriously, a good quality set of jackstands is worth it, IMHO.

I've done that many times. worjs fine. BTW another good reason to \have a backhoe, no jacks needed, stabilizers lift tires just fine.

Andy

I just wish I could afford a $4000 plus backhoe to lift the rear of my 790!

 

[john_bud]

I agree that jacks are meant to jack not to support. But John, this is a 3000 lb tractor and your only talking 1/4 of that on each jackstand, Even for me, Mr Safety a 20,000 pound jackstand seems a little overkill for a 750 pound load.
Andy

It's not about the vertical support. It's about the lateral support. When (not if) the tractor starts to tip to the side a "correctly" rated stand will twist and fold up like an accordion. You have to get up to the big ol' heavy dudes to be able to support that type of dynamic side load. If you've ever seen one fail, you wouldn't question for a moment.

Also, they will typically have the ratchet type adjustment. MUCH nicer to just position and lift to set height. No diddling around with pins. Same for removal, just take off the weight, flip the lever up and slide them out. Minimizing the time under is important to me.

 

[MasseyWV]

I agree that jacks are meant to jack not to support. But John, this is a 3000 lb tractor and your only talking 1/4 of that on each jackstand, Even for me, Mr Safety a 20,000 pound jackstand seems a little overkill for a 750 pound load.
Andy

LOL @ 20,000 pounds to lift 750 pounds.