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Another Green One, Jd 400 This Time...


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#91 twostep OFFLINE  

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Posted August 23, 2016 - 09:35 AM

Update on this money pit... After going trough the service manual for the Yanmar gas engine, it tested out that the Transistor Module was bad. Very frustrating after all of the hours I spent making that install right. But that is the way it goes. So I had two choices, find a reasonably priced used module or start over with a diesel (I'd rather have a diesel anyway). I watched ebay for a long time without finding a replacement module... but I did finally find a replacement diesel. :D

 

Kubota D600 - I picked it up from Fastenal yesterday. Got it home, cracked open the fuel bleeder and the injector lines. Fed it some fuel and in about 5 tries it fired up and purred like a kitten. Amazing how quite it is compared to that yanmar gas engine. I think it'll make a fine replacement. Too bad I've got a full schedule until November. To be continued...

 

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Edited by twostep, August 23, 2016 - 09:38 AM.

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#92 Reed Breneman OFFLINE  

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Posted August 23, 2016 - 06:31 PM

your killin me now!!!!!!!very good story really enjoyed it,cant wait till november



#93 twostep OFFLINE  

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Posted January 05, 2017 - 02:20 PM

Too bad I've got a full schedule until November. To be continued...

 

 

Guess November was a bit aggressive! I hope to have this swap finished soon though.

 

But it is now back in the garage and under the knife. I was bummed to find out that the engine mounts are more different than I thought.

 

Progress.

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#94 miller_time OFFLINE  

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Posted January 08, 2017 - 04:44 PM

I stuck a kubota d722 in my john deere 420 it is worth the effort ots a great combination.
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#95 twostep OFFLINE  

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Posted January 10, 2017 - 11:17 AM

I stuck a kubota d722 in my john deere 420 it is worth the effort ots a great combination.


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I would love to see more photos of your 420, looks like you have a FEL on it? That is the end game I've got in mind for my 400. I was close starting on it when the yanmar ECM took a crap. Also, I see that you kept the radiator in the original orientation. I wasn't able to due to the shape of the 400 side panels. I think I referenced this earlier in this thread.

 

Update: Got the engine mounted, the engine mounted. The front mounts were left alone and only needed some new frame side plates. The rears had to be modified. Fuel can mounted and lines bleed. I hope to fire it up tonight. If all goes well I fire her up tonight.

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#96 miller_time OFFLINE  

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Posted January 10, 2017 - 05:39 PM

Yes it has a kwik way loader on it and a bt600 backhoe. My dad has it right now he needed the backhoe. When i get it back i can get sone more pictures for you.

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#97 miller_time OFFLINE  

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Posted January 10, 2017 - 06:51 PM

Dug up a couple pics. You can see how i modified the side panels to clear the radiator.
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#98 miller_time OFFLINE  

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Posted January 10, 2017 - 07:09 PM

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Picture quality isn't the best but you get the idea. I had all the tin powder coated painted the hood. I mowed with it for 1 summer then added the loader and backhoe.

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#99 twostep OFFLINE  

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Posted January 11, 2017 - 09:41 AM

Thanks for the pictures. You look like you have a nice tool there. Thank for showing the loader sub-frame also, I hope to be concerned with building my own soon enough.

 

Rigged up the throttle and kill cables, bleed the fuel lines and fired the ol' girl up last night. It is amazing how much quieter this Kubota versus the yanmar. And easy to start too!

 

To do list:

-combine the two drive shafts together.

-plumb the hydraulic cooler.

-install the radiator and test run up to working temp.

-modify the exhaust to exit the right side cover (requires two 90 degree bends and 4 flanges).

-tear down and clean/paint.

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Edited by twostep, January 11, 2017 - 09:42 AM.


#100 twostep OFFLINE  

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Posted January 11, 2017 - 10:28 AM

question: the fuel overflow line (the one coming out of the injectors), what are my options? Must the line be ran back to the tank or could it be teed back in to the pre-lift pump supply line? The 400 tank is for gas and has a single petcock on the bottom.

 

My B5100 has a line that dumps back into the fuel tank, my yanmar genny has a tube that just hangs there and no fuel flows out of it. And my Toro Mitsu L3, I never paid any attention. Any advice would be great.

 

Thanks.



#101 miller_time OFFLINE  

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Posted January 11, 2017 - 12:28 PM

Run it back to the tank. I would be afraid of not being able to get air out of the line or to much fuel pressure if you hooked it back into the feed line. Most of these plastic tanks are thick enough to drill and tap for a barb fitting. Mine is right in the filler neck.

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#102 twostep OFFLINE  

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Posted January 16, 2017 - 12:23 PM

Spent several hours in the garage this weekend with one of my assistants.

 

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Got the return line plumbed, and yes the tank is pretty thick material. I just drilled it and screwed in a 1/4npt barb fitting in with some key-tite pipe dope on it. It says that it is safe for fuels so we will see.

 

I decide that this go around I am going to do the finish work that I neglected to do the last time. I don't really have time to be doing it but here I am anyway. :wallbanging:  I am cleaning up the tins and will be painting them JD yellow. I want to go with the JD Industrial look rather than the agricultural green.

 

I mention this because this means I need to tear the machine the rest of the way down for paint. The tins are in surprisingly good shape minus a few stress breaks here and there. Rear pan is repaired and the underside has been painted satin black.

 

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Finished up the wiring and plumbing, rolled it outside for a proper cleaning. Tonight I'll try to paint the frame and start prepping the tins.

 

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#103 KennyP OFFLINE  

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Posted January 16, 2017 - 01:12 PM

At least you have cute assistants!


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#104 twostep OFFLINE  

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Posted January 17, 2017 - 04:29 PM

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Cutting a custom spacer on my redneck lathe and parting tool. Don't laugh it works when you need a perfectly square cut.

 

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Drew up some exhaust flanges and had a buddy burn them on his plasma table. Mandrel bent 1.5" header tubing is suppose to be in today so I can make my muffler extension.

 

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Next I decided to keep the Yanmar's larger alternator so I'm will have to have him burn me out a new belt tensioning bracket. Got to love having a wife that is a wiz with AutoCAD.

 

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Edited by twostep, January 18, 2017 - 09:21 AM.

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#105 pryan05 OFFLINE  

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Posted January 17, 2017 - 07:05 PM

I like it!  I will be following this one.  Keep up the good work!






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