Connecting custom-made backhoe to iseki tx1500

   / Connecting custom-made backhoe to iseki tx1500 #11  
Rule of thumb for hydraulics is a reservoir that is at least three times the capacity of the pump. If you have a 15L/minute pump, you should have a 45L tank.
 
   / Connecting custom-made backhoe to iseki tx1500
  • Thread Starter
#12  
Ok thanks for the info, i didn't know that. It doesn't match my little iseki tx1500: 10L/min, and oil reservoir is 17liter.

I am hoping to keep the weight down on this backhoe for obvious reasons, so i will start looking for a 10L/min pump, and connect a 20 liter reservoir.

Thanks!
 
   / Connecting custom-made backhoe to iseki tx1500 #13  
Some thoughts to share with you.

Owners of small tractors who chose to add a 3 pt hitch style backhoe to their tractors, often find the Hoe causes serious damage to the top link mount of the 3 pt hitch. It breaks off.....

Owners with small sub frame mounted backhoes have a much better experience re durability than the 3 pt hitch owners.

Dave M7040
 
   / Connecting custom-made backhoe to iseki tx1500
  • Thread Starter
#14  
Hi Dave,
I am aware of this problem. I actually bought my little iseki tx1500 without the 3-point hydraulics unit, but with a backhoe connected in a somewhat forced way, and some damage to the differential that shows breaking off. So i guess one of the previous owner(s) already had this experience.

I am equipping my tx1500 with a subframe, and then will adapt the backhoe in such a way that connecting and disconnecting will be more easy/flexible , and adding it's own hydraulics running through PTO so i don't have to fiddle with hydraulic connections of the tractor.

Thanks for sharing though.
M.
 
   / Connecting custom-made backhoe to iseki tx1500 #15  
Hi Marcel, how are you getting on with your sub frame, I have just returned from a 1000mile round trip to collect a backhoe similar to the one that was fitted to my tractor so if you needed some clear photos of the attachment method I can got those for you, my original backhoe is stored in the back of a barn at the moment and not very accessible, now with this one here in way better condition its clearer to see how it is fitted.

Chris
 
   / Connecting custom-made backhoe to iseki tx1500
  • Thread Starter
#16  
Haha Chris, nice of you to ask, so many things have happened here that i lost track. And 1000mile roundtrip? Where did you have to pick it up? And photo's of attachment would be great.

Anyway what happened here:
- my tractor went to get a FEL connected. I instructed these guys about the subframe that i wanted to have built/used to connect this FEL into the structure of the tractor
- building this FEL took forever, and in the waiting time i had a chance to buy very cheap a TX1300F tractor. This is a 4wd, and i really love it! So i bought it. So now i end up with a TX1500 2wd, including the FEL and the subframe, and the TX1300F 4wd, naked, but in really good shape.

The plan is to strip the FEL and subframe from the TX1500, and put this stuff onto the TX1300F. And then sell the TX1500 (maybe).

After this i will get back to connecting this backhoe onto the subframe that the people from the FEL have built. It looks really good.

Meanwhile i am working really hard with the 4wd to prepare my land for the growing season, building a greenhouse, plowing (?) the land and preparing it with some implement (glebogryzarka, don't know english name). Really love this iseki. I really have no clue how i managed in the time before i had this little tractor :)

here are some photo's:

The cat enjoying the traktor while i'm building the greenhouse (polish style) in the back
foto1.jpg

Moving some stuff on the land with the little trailer (?) i acquired. Saves a lot of time and physical work...
foto2.jpg

Using both my tractors when building the greenhouse.
foto3.jpg

my tx1500 2wd with the FEL connected coming home....
foto4.jpg

preparing ground around the new greenhouse with the tiller (??)
foto5.jpg

One of the older trees around my house died during last storm. Using little trailer to move parts after cutting for burning wood...
foto6.jpg

More tiller (?) on the 1300F.
foto7.jpg
 
   / Connecting custom-made backhoe to iseki tx1500
  • Thread Starter
#17  
Ok this weekend i started taking the sub-frame (build to connect a FEL to my iseki TX1500) from the tractor, in order to connect it to my TX1300F. In the time that i have it, i already found that this FEL really needs a 4wd to operate it.

The total device looks like this:
foto1.jpg

I removed the FEL bij disconnecting the hydraulics and taking the front part off, leaving only the subframe connected to the tractor. Then the subframe came off. This it what the construction looks like:

foto2.jpg
foto3.jpg
foto4.jpg
foto5.jpg

The guys that made this construction took their job pretty serious, it is a pretty solid construction, with in total 19 connections to the original tractor frame:
- 3 on the rear (middle), connected to the bottom of differential
- 4 on the rear (left and right) connected to the sides at the back of differential
- 4 on both sides of the original frame around the engine
- 4 on the front of tractor to support the vertical arms of the FEL's subframe.

I was really hoping the measures/sizes of the TX1500 are exactly identical as the TX1300F, so i just started trying to connect it to the tx1300F. Because of the vertical arms i had to 'slide' this subframe kind of sideways onder the rear of the tractor to get it under it. So i took the 1500 out of garage using the 1300 (hydraulics of 1500 were disconnected).

foto6.jpg

I moved the subframe under the tx1300F:

foto8.jpg

Then i connected the first two bolts to the side of the rear-end of differential:

foto9.jpg

After this i prepared to connect the frame to the frame on both sides of the engine:

foto10.jpg

And there is where i ran into trouble. There is about 0,5 cm difference in size between the two tractors. I will have to make a few choices here, not sure what to do yet. To be continued.....
 
   / Connecting custom-made backhoe to iseki tx1500 #18  
It is dangerous to operate a FEL without a rear counter weight on the 3 pt hitch.

The front axle pivots sided to side and offers no resistance to rolling over.
The rear axle is where the stability comes from as it is fixed in place.

Having a lot of weight on the rear will also lighten the load on the weaker front axle and make steering easier

For years farmers used FEL with 2 WD tractors.

Dave M7040
 
   / Connecting custom-made backhoe to iseki tx1500
  • Thread Starter
#19  
Ok, it took a while to move this subframe from the TX1500 onto the TX1300F. The reason is that there is a 0.5 cm difference in length between the two. And this steel subframe is not something that you can easily bend.

To make it fit with a minimal number of changes, i first connected the front 12 bolts, to the front, and to both sides of the engine.

I had to cut a few centimes from the end of the subframe (because my rotary tiller would not fit anymore), and also cut the parts that connect the subframe to the rear sides of the differential. These connections had some 'wings' welded onto the subframe, that would block the steel pipe going through the holes at the bottom of differential. And i still want to use the tractor for 'normal' 3-point operation, so it had to go.

foto1.jpg

foto2.jpg

foto3.jpg

I bought some 1.5 meter of steel H-profile. The size should fit exactly around the square profile of the subframe connected to the tractor.

foto4.jpg

foto5.jpg

So i cut the H-profile into two 75cm pieces, and welded a connection/bridge between the two parts.

foto6.jpg

foto7.jpg

Please no comment on the welding, it was the first time i did this. Anyway time to test this how it fits the subframe: like a glove. I could slide the whole 75cm under the tractor.

foto8.jpg

foto9.jpg

Having this into place i welded the original central (bottom) part of the backhoe onto the sliders. You can clearly see the pivot, and the two side-points used to 'park' the backhoe. You can also see the 'hook' that was used to connect the old structure directly onto the differential. Which was what i am trying to avoid.

foto10.jpg

foto11.jpg

So far so good. Next issue is the hydraulics. I was looking for an external oil-pump, but this is proving to get too expensive. This is still a hobby project. Also the minimal reservoir i can get is 50 liter. I am trying to keep the weight of this construction as low as possible. So i decided to 'cut' the rubber hose (delivery) from the oil-pump going to the 3-point hydraulics, and insert this bajonet-type of connection. Then i can get the same type of bajonet connection onto the hydraulic hoses coming from the backhoe, making it relatively easy to connect and disconnect. And this way i will still be able to use all hydraulics (FEL and 3-point), even when backhoe is connected.

At least i have the slide-on/slide-off into place. Next is putting the backhoe back together again.To be continued...
 
   / Connecting custom-made backhoe to iseki tx1500 #20  
How's the project going?
 

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