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harryt

Hako D522 diesel tractor

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So I picked this up at Malvern yesterday. I bought it as I have never seen another one, it is German and powered by a JLO Diesel engine which is 2 stroke. This is an interesting set up and looks to be original apart from the alternator. From what I understand it is a vineyard tractor and this would explain the very tight turning circle. Has hydraulics and also an extra valve at the back which I have never seen on another tractor to perhaps power something like a log splitter? 

I have not been able to get it started yet, but looks promising as there is some smoke coming out of the exhaust, I think I need to investigate the glow plug. Any information would be appreciated on the tractor or the engine as I can find very limited information and mainly in German.

HarryIMG_6340.thumb.JPG.b42d54a25b722d60ff0e9f89ec2890b5.JPGIMG_6341.thumb.JPG.f62a2720dc7587305bfe36064894a2be.JPGIMG_6342.thumb.JPG.5ea18a643d8c91bdb85b3c3aba78811e.JPG

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7 minutes ago, mowerdar said:

The extra valve is probably for a tipping trailer looks similar  to the one on my brother in laws super dextar 

Yes you probably right, it would be nice to find one for it

 

13 minutes ago, Stormin said:

From the photo's I assume it's water cooled. And the two tops on what looks like the fuel tank. One diesel? One hydraulic oil?

There are three tanks, one for hydraulic oil, one for diesel and one for the two stroke oil I think. Does anyone know what oil to use for the two stroke?

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HAKO! i'd love me one of those one day but them cost quite a lot over here

i dont think it needs any aditional two stroke oil since its a diesel, and being JLO id guess its aircooled.

as for starting it try wetting a rag with petrol and holding it over the airfilter, should start on that

the third tank might be engine oil, could be dry sump

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Thanks Koen, I will try that at the weekend. It is definitely air cooled but just not sure about the 2 stroke part of the engine. I will try and find a manual on the engine itself as cannot find much on the tractor itself.

 

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The two stroke Diesel refers to the induction process, the oil is a dry sump system not connected to the fuel. Diesel acts as a lubricant on it's own as per Sachs and Drayton/Stihl two stroke diesels. If it is a 600cc, it should have a power equivalent to a 1200cc 4 stroke as the engine will fire once every revolution instead of every second.

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7 minutes ago, C-101plowerpower said:

had a look and seems that the cap closets to the seat is diesel, the one in front engine oil/two stroke oil and the small one on the front is hydraulics

Yes that is correct, so for the one in front i can just use a standard engine oil?

 

5 minutes ago, expeatfarmer said:

The two stroke Diesel refers to the induction process, the oil is a dry sump system not connected to the fuel. Diesel acts as a lubricant on it's own as per Sachs and Drayton/Stihl two stroke diesels. If it is a 600cc, it should have a power equivalent to a 1200cc 4 stroke as the engine will fire once every revolution instead of every second.

Thanks or that, should be a powerful beast when it fires up then, looking at the tractor as a whole, the engine looks oversized for it.

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Managed to get the tractor running last weekend. Fun was short lived as the previous owner had made up some dodgy battery terminal clamps which short circuited on the dash, nearly setting tractor on flames😬. Went to turn the key again and nothing, so I lost my patience with it and left it for another day. That day was today and with a bit of fault finding I managed to locate the problem, the solenoid which must of burnt out. With a bit of wiring I was able to bridge the solenoid and start it up. I am very pleased with the tractor, extremely powerful and fast, must go about 20mph😳. My plan now is to sort the hydraulics on it and try and source a solenoid. If anyone has one that would be a great help ( Bosch SHSM 24L6Z 12V).

Harry

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