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I got Bored! Loader Drawing!

gt loader loader drawing home brew loader

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#1 KennyP ONLINE  

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Posted January 07, 2015 - 12:47 PM

With the cold weather outside, I was getting withdrawal. Got bored, so I opened Sketchup and started playing around. This is what I have so far:

Loader Frame.JPG

 

It's probably not the right size anywhere for a GT, but close. The loader arms are 2 X 3. Uprights and lower cross section are 3 X 3. Pivots between the arms and uprights are 1/2" thick. Lots more to add in. Gives me something to do.


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#2 GTTinkerer OFFLINE  

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Posted January 07, 2015 - 01:02 PM

I have thought about building a loader for my JD140H3 so plans that would fit one of them would be great.  :thumbs:



#3 David Brown OFFLINE  

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Posted January 07, 2015 - 01:26 PM

Looking good so far.  It's just about the Power King loader.  Good and strong.



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Posted January 07, 2015 - 01:34 PM

I have thought about building a loader for my JD140H3 so plans that would fit one of them would be great.  :thumbs:

Not having one of those, it's kinda hard for me to draw something up to fit it. This is close to fitting my FF or something similar in size. I just draw what I would like it to look like and see where problem areas may be. If I were to build it, I would start with the mount under the tractor, then use 2 x 4's to mock everything up to fit. This drawing just lets me get on paper what I visualize and hope the folks with loaders (or have built them) will give some pointers. I probably have some things stronger than it should be, but it's better to be stronger than weaker.


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#5 Texas Deere and Horse OFFLINE  

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Posted January 07, 2015 - 03:47 PM

Kenny, one thing you might want to consider is to use a full frame from front to rear under the tractor. Most all the GT loaders I've seen had a full frame


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#6 KennyP ONLINE  

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Posted January 07, 2015 - 04:46 PM

Kenny, one thing you might want to consider is to use a full frame from front to rear under the tractor. Most all the GT loaders I've seen had a full frame

Brian, the mount I have drawn is similar to the mount on the FF's. There are braces going forward, just not in there a yet. Here's a link to the manual. It has a parts breakdown at the end. Shows the lower mount real well.


Edited by KennyP, January 08, 2015 - 06:52 AM.

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#7 HDWildBill ONLINE  

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Posted January 07, 2015 - 05:19 PM

Dang Kenny only 7 days into retirement and already bored! :poke: :smilewink:


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#8 KennyP ONLINE  

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Posted January 07, 2015 - 05:51 PM

Dang Kenny only 7 days into retirement and already bored! :poke: :smilewink:

Too cold out there to do anything!


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#9 KennyP ONLINE  

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Posted January 08, 2015 - 06:50 AM

Here's the Loader Sub-Frame from the manual.

FF Loader Sub Frame.JPG

 

Not having one in real life to get measurements from, I took a few liberties with it. Whole lot simpler as I have it. Plus, the uprights are a bit longer, giving a larger area for fluid to hopefully let it stay cooler.


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#10 IamSherwood OFFLINE  

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Posted January 08, 2015 - 07:06 AM

Kenny, I realize this is in it's infancy, but just want to point out

what I think is a weak spot in your design. There'll be a great

amount of stress on these welds.

 

kenny loader2.jpg

 

The way they built it looks after some of that issue. Maybe you could

gusset under those horizontals.


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#11 KennyP ONLINE  

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Posted January 08, 2015 - 08:44 AM

I was thinking the same thing, Will. Gussets will be added before finalizing the whole thing. I'm not even sure that mount setup will work as yet, so didn't want to add too much if it needed updating.


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#12 KennyP ONLINE  

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Posted January 09, 2015 - 04:46 PM

I went out and did some measurements on the FF and what I have is real close to it fitting. Here's a Delta cad drawing showing what I have in mind.

FF loader.JPG

 

Now to put that all into the SketchUp drawing.


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#13 TUDOR OFFLINE  

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Posted February 04, 2015 - 05:10 AM

Kenny, here's some pics to help you out. This loader has lifted over 1000 lb on many occasions. The loader arms and cylinders are original. I fabbed everything else 30 years ago. Posts are 2x4x1/8 tube as is the diagonal bracing. Stress points are gusseted by 1/4" plate.

 

Bobinahole_zps3105ea86.jpg

 

Sub frame to rear axle connection. The sub frame is 2x3x1/8 tube.

 

MF1655FEL046.jpg

 

Look closely and you can see the front of the sub frame (3/8" plate) and the side mounts for the diagonal bracing 1/4x2" (flat stock). The cross bar supporting the posts is 2x2x1/4" tube that the posts slide onto and is welded and gusseted to the sub frame.

 

MF1655FEL029.jpg

 

The front of the U shaped diagonal bracing has been painted red so it's a bit hard to differentiate from the MF1655.You can just see the 2 bolts holding it on above the front tube with the arc cut in it.

 

MF1655FEL005.jpg

 

Left front corner of the same part of the U shaped bracing. The 1" square tube is a guard for the front PTO.

 

MF1655FEL006.jpg

 

Post to diagonal bracing attachment, right side.

 

MF1655FEL009.jpg

 

The buckets that fit this loader compared to the one on my SCUT. Left is a 12 trenching bucket that will dig a 34" deep trench, next is the rusty original 40" bucket, and the yellow one is a home made, scaled up 54" copy of the original that weighs 210 lb.

 

MF1655FEL031.jpg

 

Side view perspective of the 3 materials buckets.

 

MF1655FEL039.jpg

 

Note: There were no holes drilled in the frame to mount this loader. Only existing holes were used. Remove the loader and the tractor frame is factory original.

 

You will also note that the rear sub frame ends very close to the front axle support structure which carries ALL of the high stress loading. The rear of the sub frame mounts to the axle and does all of the pushing as well as lifting the rear end to counter payload. This tractor carries 400 lb of ballast at all times and an implement, up to 385 lb, on the 3PH when more ballast is required.

 

In 2200 hours of heavy use, there have been zero structural failures on the parts that I have fabbed. There has been one failure of a redundant mount. Vibration broke the weld on the pin meant to add an extra level of security to the post to crossbar connection.

 

For reference, the arms are 65.5" post pin to bucket pin and are past due for replacement. Maybe next year.

 

The two gallons of fluid in the posts does not get hot. There is enough cooling surface between the posts, cylinders, and plumbing, coupled with the wait time between lifts due to travelling, to keep the fluid temperature within reason. Heavy wall tubing does not radiate heat as quickly as lighter wall.


Edited by TUDOR, February 04, 2015 - 05:18 AM.

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#14 KennyP ONLINE  

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Posted February 04, 2015 - 05:35 AM

Thanks! A lot of good info in there! I'll get back to this sometime.



#15 IamSherwood OFFLINE  

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Posted February 04, 2015 - 07:07 AM

Lots of good detailed explanation there Bob. Thanks.

Have you done a build thread on this anywhere? One part I'm

not clear on is this.

 

 The cross bar supporting the posts is 2x2x1/4" tube that the posts slide onto and is welded and gusseted to the sub frame.

 

Any more detail on that?

 

Sure sounds like that loader has done it's job for you.


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