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Old 10-04-2009, 12:29 AM
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Join Date: Jun 2009
Posts: 34
Traded up the OM636

I found a guy that was willing to do the work I didn't have time to do... he drove from his home to South Jersey, picked/paid for an engine/transmission from a 240D, and brought them to my house to trade for my OM636 that I asked about awhile back.

So now, I'm trying to get a 1994 Dakota ext that has a bad tranny, so I can swap in the diesel engine and the 4 speed and have a good diesel mid-size to drive.

So, where do I get serial numbers from the engine so I can check out where it came from, what year, etc..

Also - The transmission came w/ the shift linkage broken and disconnected... there are three levers, each with a rod... what does who?

I assume (from bell to tail) the first linkage is 1-2, the second one is 3-4, and the third one is reverse... With the OEM linkage, does the transmission remain out of the forward gears while in reverse, or does reverse simply act as an idler gear to change the output direction in, say, 1st gear?

Last edited by Christ; 10-04-2009 at 12:45 AM.
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Old 10-04-2009, 12:44 AM
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Join Date: Dec 2005
Location: Carson City, NV
Posts: 3,790
I think reverse is a separate gear and the forward ones are not engaged while reversing. Can't help you with the rest. I'm sure others with more knowledge will chime in before long.
Whoever said there's nothing more expensive than a cheap Mercedes never had a cheap Jaguar.

83 300D Turbo with manual conversion, early W126 vented front rotors and H4 headlights 367,xxx miles
08 Triumph Street Triple 30,xxx miles, lowered 10mm in front, Pirelli Angel GT tires, EBC HH brake pads, otherwise stock.
88 Jaguar XJS V12 93,xxx miles. I should be in the garage now.
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Old 10-04-2009, 06:59 AM
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Join Date: Jun 2007
Location: Bahama/Eno Twp, NC
Posts: 3,258
On my UNIMOG, the transmission behaves as you describe: There is a separate reversing lever that changes the direction of 1st and 2nd gears so you get a 6+2 transmission.

This is unusual for a road vehicle though and in car transmissions, reverse is accomplished by sliding a gear in between the countershaft and the output shaft while the other gears remain dis-engaged. Never more than one of the shift levers should be clicked forward or backward at the same time.

Benz Fleet:
1968 UNIMOG 404.114
1998 E300
2008 E63

Non-Benz Fleet:
1992 Aerostar
1993 MR2
2000 F250
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Old 11-05-2009, 02:26 AM
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Join Date: Jun 2009
Posts: 34
I haven't looked any further into this, as I'm still looking for a vehicle to swap the setup into.

Does the 62 HP 240D 4 cylinder have glow plugs?
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Old 11-05-2009, 07:42 AM
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Location: Vermont
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240d's have glow plugs.
1981 240D 143k 4 spd manual -SOLD

2004 VW Jetta TDI 5 speed 295k -still driven daily
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Old 11-05-2009, 03:08 PM
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Location: Carlisle, MA
Posts: 1,225
Reverse is a seperate gear, and, if you're looking at the shift levers it goes like this in terms of turning the lever: 2-N-1 4-N-3 N-R

1983 240D 3.0T 4-speed manual, now sold

1989 Subaru GL Wagon 5-speed Touring Edition
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