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Massey 1855 to a 4855


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#151 TUDOR OFFLINE  

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Posted January 02, 2012 - 03:57 PM

Oh yeah, there are slip yokes halves available for universals for your engine to shaft coupling. That will eliminate the need for a cushioned coupling and /or a support bearing.

That's what I used for my 1" dia. rear PTO shaft to engine coupling. Mine is made by Docap.

#152 ducky ONLINE  

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Posted January 02, 2012 - 09:47 PM

Well here is an update on the Mercedes OM 636. the fuel pump came in for lil bros JD so this was a good time to use it as a supply pump and see if this thing might run. Son (Bradvh) stopped, so we all set up and bleed the fuel system. Then check glow plugs and give here a crank. Long crank and 2 of the glow plugs did not to seem to warm up. LOTS of smoke and no go. Check glow plugs and replace one. Now it would fire and had quite a miss. Seems like the Nozzle may need some attention. Then we filled the block with water so we could get a bit of run time and shack up the cob webs. Now the shop is quite Foggy so open go the doors and up goes the heat.
When all was done it looks like we will have to rebuild a couple of the fuel nozzles and give it another run.

Looking at this engine configuration it appears it will be quite a challenge to slide this puppy into the 4855. Bear with me I have not given up yet.
I'll throw some pics when I get back on Firefox.

#153 ducky ONLINE  

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Posted January 04, 2012 - 02:33 PM

How do I spell "impressive"? ducky

That is the look that I have envisioned for an articulated version of a MF1655/1855! Love it!!

For your hydro woes; turning the charge pump cover 180* reverses the input rotation, turning the motor section 180* changes the output rotation. There's no need to change anything internally.

You can use a lighter oil in your chaincase if you want to use this critter in cold weather. The high speed of the chain will sling the oil all over for lubing. Fill level is just below the lower shaft. Chains don't need much lube. My 35 year old snowblower uses the same thing for chaincases.

Great work!!!!!!

Thanks, Doug, for pointing out this thread. I would have missed it entirely!


Hi Tudor
Thanks for the get back you just saved me a bunch of work for nothing. I was going to pull the rear hydro an turn that swash plate. I would have really had to kick myself around the shop when I got that think open and not found a stop.
Thanks again Tudor

#154 ducky ONLINE  

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Posted January 04, 2012 - 03:13 PM

The parts motor had 3 extra fuel nozzles with it (loose and in a sad state) so today I thought I would take a look inside one and see if I could fix these things myself. I have been though Bosch nozzle before in our pulling days so this is not new territory for me. This engine has a 4 plunger P style pump but I have never saw one of these nozzles before.

Let take a look inside.IMG_2475.jpg

Ok If we look at this pic it seems to me that that the pintle valve is stuck open.IMG_2476.jpg
Tell me if I am wrong but I think that the Valve (Little hat ) should sit done and seat of the nozzle end correct? I can not move the pintle that I have my index finger on and I believe the should move up during injection and back down to allow the hat to seat and terminate injection.

Just want to be sure before I screw thing up.

Attached Thumbnails

  • IMG_2477.jpg


#155 olcowhand ONLINE  

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Posted January 04, 2012 - 06:04 PM

Ducky, I'd think it should go down, but then I've never had one like it apart.

#156 Amigatec OFFLINE  

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Posted January 04, 2012 - 06:20 PM

I believe you are correct, I've seen injectors like that before.

#157 skyrydr2 OFFLINE  

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Posted January 04, 2012 - 06:24 PM

Those things look like they ran home brew bio-diesel through it... Yuck! Might need to send them out, they need to be perfect on those 'Benz diesels.

#158 mikebramel OFFLINE  

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Posted January 04, 2012 - 06:31 PM

I had a 617 turbo, 340,000 ran great, what is that like 5000 hrs?
Diesels are definately the most neglected, no valve adjustments, no fuel filter changes, same injectors after 200k, oil never changed, esp on those older dirty engines

#159 ducky ONLINE  

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Posted January 04, 2012 - 07:35 PM

I am going to try to get that pin out tomorrow and see what things look like.

#160 ducky ONLINE  

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Posted January 04, 2012 - 07:38 PM

Those things look like they ran home brew bio-diesel through it... Yuck! Might need to send them out, they need to be perfect on those 'Benz diesels.


Yes they sure do not look like they got any high quality fuel. Being a spare and in such bad shape I am going to use this as a training tool. Not much to loose.

#161 101 senior OFFLINE  

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Posted May 20, 2012 - 04:21 PM

good luck w/ it.

#162 ducky ONLINE  

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Posted February 17, 2013 - 01:19 PM

Well I have an update on the 4855 project.  The drop case failed due to lack of lub so we have to remove it and rebuild it.  Also upgrading to #50 roller chain due to the scheduled re power.

This is what we are going after.

2013-01-29 19.25.34.jpg

The drive shaft you see comes from the engine.  

First we remove the seat and its holder.

2013-01-29 19.21.02.jpg

Then we go after the rear hydro drive cable, Rear drive shaft and the steer cylinders and related hydraulic lines.

2013-01-29 16.30.26.jpg

Then there are 8 ea. 3/8" bolts that hold the dropcase into the frame.

2013-01-16 19.56.40.jpg

Now the dropcase will slide back off of the front drives splined drive shaft. Do not have a pic of the front drive but it is the same as the stock hydro unit.

Then you have it on the bench.

2013-01-24 15.50.05.jpg

This is what I found.  Chain off sprocket and badly worn.  What happened is I only tack welded the lower sprocket to the hub and it let go.

Took everything out of the drop case and picked up new bearings and and sprockets to upgrade to #50 chain.  

2013-01-16 19.50.13.jpg

Here it is with the lower shaft installed with the chain fitted.  Then install the upper sprocket and slide the shaft into place.

2013-01-24 15.50.49.jpg

Then we use RTV to seal the bearing housings and adjusting slots.

2013-01-25 17.56.41.jpg

Then we installed it with some lub this time and we are good to go.


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#163 ducky ONLINE  

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Posted February 17, 2013 - 01:34 PM

Had another issue with the drawbar mount.  I originally had it hooked to the center pivot.

2013-01-29 16.32.37.1.jpg

This did not allow the tractor to articulate the way it was suppose to.  I machined up a bushing for the draw bar and shorten it and mounted it to the rear of the articulation point.

2013-01-29 16.32.37.jpg

One more design issue solved.  The drawbar came off of a 350 IH and is mounted on the 4855 to have clevis type drawbar common on the larger 4 wheel drive tractors

The iron holding the drawbar are there to incorporate a 3 point hitch down the road.

2013-01-29 16.33.03.jpg


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#164 Texas Deere and Horse OFFLINE  

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Posted February 17, 2013 - 02:08 PM

Ducky, It looks to me that you lost lubrication from all the shavings.



#165 olcowhand ONLINE  

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Posted February 17, 2013 - 02:14 PM

Good to see an update.  Projects like these take a while to work out the kinks, but you have things in order now.  When you get more HP bolted in there, multiple plows will be a piece of cake!






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