Has anyone transplanted the 1999 turbo diesel engine into a 1987 300TD ?

I really love the W124 wagons, but I'd like the MPG and power of the 1999 turbo-diesel . . .

TIA,
:-) neil

It's the same block casting so it can't be that difficult. I'd say no worse than an M104 in place of an M103. I think I know someone who did that

Someone on this forum dropped a 606 in place of the 603.97 in his 140. I'll check my archives and get you a name.

Sixto
87 300D

You would have to use the mechanical pump from the 87 engine, the 606 computer would be a huge hurdle to get working correctly in a non-standard car. Another problem is the engine must have an intercooler so you would need to fabricate mounting for it.

Its very close to a 603 so installing it would not be difficult.

My understanding is that by using the 603's IP, you don't need to use the 606's computer.

Didn't the 1987 TD already have an intercooler ?

If not not, I know exactly where to place one.

Anyone have that W140 606 swap link ?

:-) neil

No IC on the 87's. I've thought about doing this myself

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1980 500SE/AMG Euro
1981 500SEL Euro
1982 380SEL
1983 300TD
1983 500SEC/AMG Euro
1984 500SEC
1984 300TD Euro
1986 190E 2.3-16
1986 190E 2.3
1987 300D
1997 C36 AMG
2003 C320T 4matic

past: 1969 280SE 4.5 | 1978 240D | 1978 300D | 1981 300SD | 1981 300SD | 1982 300CD | 1983 300CD | 1983 300SD | 1983 380SEC | 1984 300D | 1984 300D | 1984 300TD | 1984 500SEL | 1984 300SD | 1985 300D | 1986 300E | 1986 560SEL | 1986 560SEL/Carat | 1987 560SEC | 1991 300D 2.5 | 2006 R350

Its certianly possible, you would just need the IP off the 603 and to make an intercooler.

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1999 SL500
1969 280SE
2023 Ram 1500
2007 Tiara 3200

Besides that,
In my experience, the OM606 doesn't really achieve a noticeable difference in mpg from the OM603. They are the same. The later 210 has an overdrive gear with a lockup clutch and an aerocoeefficient of 0.29, that's where the economy comes from.

Plus, since you will be using the OM603 pump, the power output will be the same as the earlier engine. Unless you tweak it. Which you can up to ~180 hp. In either case, you'll need an intercooler. But the OM606 requires it.

The only reason I'd transplant one of those is if I was planning a project on the "Myna diesel-power" scale.

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1987 300SDL (324000)

1986 Porsche 951 (944 Turbo) (166000)

1978 Porsche 924 (99000)

1996 Nissan Pathfinder R50 (201000)

Neil, you would have two very unique and nice w124 wagons after this. I think you should fully go for it.

You might want to contact Joe Tripp:

http://mbca.cartama.net/showthread.php?t=26066

He's the one who put the 606.962 into a W140. Actually, he's apparently done it twice. Once using old technology and once using a later gasser chassis and trying to tie the electronics in.

He's a nice and apparently very advanced tinkerer...I'm sure he'd be able to give you some tips that would save you some time and trouble. He's also got several engines just "laying around"

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Marty D.

2013 C300 4Matic
1984 BMW 733i
2013 Lincoln MKz

Did the 98-99 E300 come with a 722.6? Did Joe swap in a 722.6 with the 606?

Sixto
87 300D

Yes, the '98 and '99 came with the 722.6. I know in the first swap he did that he used the tranny from the W140 and used a IP from a non-electronically controlled engine (probably a 603 IIRC). But, I think in the last swap he did he did tranny and all...you have to ask him about that one because I didn't get all the details from him about it.

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Marty D.

2013 C300 4Matic
1984 BMW 733i
2013 Lincoln MKz

Judging by the 0-60 times in Joe's S300D, he is probably putting down just north of 200hp. If its still the stock 150 its the strongest 150hp ever. Remember the 606 has a much better head, throw in the intercooler which would be custom in this application so larger, turn the boost and fuel up a bit...

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1999 SL500
1969 280SE
2023 Ram 1500
2007 Tiara 3200

Where's that stuff? Are there video-clips or something of this? G-Tech results? I didn't know. That's interesting!

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1987 300SDL (324000)

1986 Porsche 951 (944 Turbo) (166000)

1978 Porsche 924 (99000)

1996 Nissan Pathfinder R50 (201000)

I forget the thread, I remember he was talking to Sixto about it. Its a pretty quick car, faster than one would expect.

The 606 is a fantastic engine, that 4 valve head seems to work really well.

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1999 SL500
1969 280SE
2023 Ram 1500
2007 Tiara 3200

Neil, as others have mentioned, yes it can be done... you'll need to fabricate throttle linkage for the mechanical 603 pump, and an air-to-air front-mount intercooler will NOT fit under the stock front bumper. There's room for a small side-mount IC in the right pocket, but it would be only adequate for stock power levels (<200hp). The 603 IP will need some custom modifications with larger pump elements if you want more than ~175hp. I wouldn't even think about trying to make the 722.6 tranny work, just use the 722.3 tranny you have in the car now. I've got photos of various intercooler setups on my website in the 'SuperTurbo' directory, including some pics of the W140 with the 606 swap (note that the guy who did that swap did NOT modify the IP, or even increase fueling on it... he wasn't interested in power, just reliability.)

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Dave
Boise, ID
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