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Thread #433291 / / Total number of messages: 23 / Thread View Count: 3371 / Add thread to favorites:
MB trac 1800 433291 93 Inside views ... either
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... of my MB trac turbo 900.
I needed a new clutch and had some problems with leaky hydraulic valves. So we took apart the trac last week.
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Very sad to see my Baby in this state :-(
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The clutch
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... attached to the motor ...
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... the wedding ...
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... motor inside again ...
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Step 2: Disassembling the hydraulic valves
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... two of the valves ...
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... packing a valve ...
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assembled again and cabin let down
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... almost finished ...
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ready at last !!! :-)
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Gearbox of an MB trac 800. Not mine but we repaired it while waiting for spare parts for my trac.
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nice trac. :-) :-P

greets elco
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Interesting pictures:-)
How long did it take you to change the clutch?
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some terrific pictures there MB is she all back together again?
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what was the problem with the gearbox?
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How is parts availability for the MB trac ?
Can you exchange parts with MB highway trucks, and the MB Unimog ???
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Good thing you use original pieces:-P
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How many hours have he?
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Thanks for all these comments. I was not sure whether this would be interesting for anybody. :-)

Thank you Elco. I'll send my 1500 to you tomorrow. :-D

To Einachser: The clutch is no problem at all – it takes 20 minutes - but you have to disassemble so many other things as the consoles and the oil connectors of the front end loader and the motor and all that stuff that leads into the cabin. From the beginning to the point the motor laid outside the trac it took 2,5 hours.

To Andy: Thanks for your worries - all well re-assembled now but it was a long way. :-)

To Tom Vandegaer: There was a gearwheel of the 3rd gear broken which had to be replaced by a new one and we also changed some synchronizers.

To Renze: Parts usually are available within hours but it depends where they are on stock. If they are at Hannover you can order by 9:30 am and you'll get them 1:00 pm and if they are elsewhere (e.g. Germersheim) it takes 12 – 24 hours but Mercedes' interest in parts for the trac is getting smaller, I'm afraid. There are some parts for tracs built before 1980 which are no longer available but that's the same with other brands.
A good example was the gearwheel of the gearbox we repaired which is not available any more as later on the cogs where diagonal. These are available but not the older ones.
The biggest problem was the hydraulic valve. In the past you could get the head of it but now you must purchase the whole valve which costs 1.700,00 EUR. :-( Fortunately we could manage to pack the valve with new gaskets which cost about 80,00 EUR. :-)
There are some parts which can be interchanged with the Unimog but as far as I know this is not possible with parts for highway trucks. E.g. the body of the gearbox is the same as in the 406 Unimog but only the body.

To Schizo: OF COURSE !!!! No discussion about that. :-D

To Nils: I don't know. The counter says 4.145 hrs but I don't know whether it has been changed in the past or whether the trac has 14.145 hrs. I don't think it really has only 4.145 hrs.
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I guess with the 6-cylinder-tracs the engines must be the same as in some Unimogs. At least I have heard stories about a farmer about 25km from here who has put an engine with about 210hp from an Unimog into his MB-trac 1100. No problem to get the wheels spinning even on concrete with no trailer attached:-D
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You're right, Einachser. The Unimog has the motors 352 and 366 - the same ones as the tracs have. The earlier models with the old bonnet have the 352 and the newer ones have the 366. The 1000 and 1100 without turbo and the 1300 - 1800 with turbo.
But I don't understand what spinning wheels should have to do with the power. :-[ This is a question of the gearbox and speed but has nothing to do with the motor.
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