any peugeot diesel.
or isuzu.

I talked to someone with a 12V Cummins that was tricked out a bit getting in the high 280HP or so and still gets above 20MPG. Or so he says

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-E300d '99 350k
-Suburban '93 220k
-TDI Jetta '03 350k
Sold
-F250 '96 7.3
-Dodge Ram 12V
-E320 '95 200k
-E320 Wagon 1994 155k
-300d Turbo '87 187k miles
-E320 1994 200k
-300d Turbo '84 245k (sold to Dan62)
-300d Turbo '84 180k
-300sd '80 300k
-7.3 Powerstroke Diesel 15P Van 500k+ miles
-190d '89 Non Turbo 2.5 5cyl 240k (my first MB)
Tom's Imports of Columbia MO Ruined the IP in changing leaky delivery valve O-Rings - Refused to stand behind his work. Mid-MO MB drivers-AVOID Tom's.

On another note... My purely mechanical IDI 94 Ford 7.3 Turbo Diesel made by International gets a 0-60 time of around 10 seconds and still gets close to 20MPG.

No computers! (Well I guess it does if you count the auto transmission) But that doesn't count does it???

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-E300d '99 350k
-Suburban '93 220k
-TDI Jetta '03 350k
Sold
-F250 '96 7.3
-Dodge Ram 12V
-E320 '95 200k
-E320 Wagon 1994 155k
-300d Turbo '87 187k miles
-E320 1994 200k
-300d Turbo '84 245k (sold to Dan62)
-300d Turbo '84 180k
-300sd '80 300k
-7.3 Powerstroke Diesel 15P Van 500k+ miles
-190d '89 Non Turbo 2.5 5cyl 240k (my first MB)
Tom's Imports of Columbia MO Ruined the IP in changing leaky delivery valve O-Rings - Refused to stand behind his work. Mid-MO MB drivers-AVOID Tom's.

I can't say that it shocks me to see how many people don't know the durability of International trucks. I have had many in my time including my Scout. The gas engine of the Scout usually goes past 300,000 miles because of being over built. The 345 engine is the size of a 454 and weighs 700lbs plus.
The famous powerstroke can just go on forever. International had to 'step' in for ford because fords' diesel basically sucks. Anything early 80's, not too sure of the exact year, is when ford diesels choked the most. As of late, IH & Ford had a joint union to 'assemble' engines into fords at their blue oval plant in mexico.(cost)
I dont know if the engines are 100% american but what is now.

I'm hoping my 617 last for over 600,000, im at 300,000 now. Also because i bought her for $1900, just about to pay for a $3000 trans and i'm just starting to do the basics.
$$$$$$

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Rick & Michele in California
1985 300SD Turbo Deisel
300,000+ miles

1963 Mercury Meteor Stationwagon
1959 Montgomery Ward Silver Pigeon Scooter & matching bicycle
1974 IH Scout 4x4

616 or 617! Look at how many more old MB's are running around the planet than any other car - and most of those others filling up the junk yards of the world were produced in much greater numbers that the 123's and 126's.
There was a post on another MB net some time ago, from a guy that was asking how much he could sell his old 240D for, it had over 900K miles on it. In the end, it was still such a good car that he passed it on to his grandson to drive off to college in.

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Houston, Texas
1984 300CD 235K miles, Elvira, one owner
1987 300TD 180K miles
1974 TR6 78K miles Sarah Jane, one owner
OBK #27

I have only had my 300CD for 16,000 miles (197,000 on the car), but I beleive it will go for thousands more. The quality of the OM 617 is awsome! I have heard a lot of good about the MB Diesels, Cummins, and Power Stroke. I think they ALL are good. The older mechanicly injected, iron block/head engines are designed to last a long time and seem to bee the best. I am liking the reliability of the OM617, and am looking forward to THOUSANDS of trouble free miles!

OM616/617, Toyota Land Cruiser diesels, HINO built ones, also 3L Daihatsu ones.

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99 Gurkha with OM616 IDI turbo

2015 Gurkha with OM616 DI turbo

2014 Rexton W with OM612 VGT

yeah I'm with you: 616 or Toyota 2H (almost certain these are HINO). Followed closely by 617 and Toyota H and 1HZ.
The amount of Landcruiser HJ47/45s running around with broken speedos (having clipped at 1m km) is LARGE. I know no-one needs persuading about 616's though

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1975 W115 240D Mercedes-Benz
1950 SI Land Rover
1963 SIIA SWB Land Rover
1945 C15A Chevrolet CMP
1981 HJ47 Toyota Landcruiser

Notice all the Toyo engines are with H prefix indicating it was made by HINO who make some fantastic commercial vehicles as well, after MB, they are the second largest bus and truck maker and they have proved their mettle in Asia and Africa in atrocious condition of no maintenance, bad oil and fuel etc.

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99 Gurkha with OM616 IDI turbo

2015 Gurkha with OM616 DI turbo

2014 Rexton W with OM612 VGT

oh yeah, suprised I didn't notice that. Don't leave Australia out of those atrocious conditions too...
My uncle just fitted a Hino EH700 into his Dodge D500 and it's borderline overkill, superb motor

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1975 W115 240D Mercedes-Benz
1950 SI Land Rover
1963 SIIA SWB Land Rover
1945 C15A Chevrolet CMP
1981 HJ47 Toyota Landcruiser

My oversight on Australia, Land Cruiser rules the bush country where the HINO does superb, but the gas Land Cruiser also does quite well. Check my signature, I have a Nissan Patrol which is based on the 69 model made by the ministry of defence here. They put the super overkill W04D in that.

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99 Gurkha with OM616 IDI turbo

2015 Gurkha with OM616 DI turbo

2014 Rexton W with OM612 VGT

I second the Peugeot's.

My last one had 266,000 miles on it and used (mostly leaked) less than a quart of oil between changes.

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5 speed '91 190E 2.6 320,000 mi. (new car, fast, smooth as silk six, couldn't find any more Peugeots)
5 speed '85 Peugeot 505 2.5l Turbo Diesel 266,000 mi. (old car, fast for a diesel, had 2 others)
5 speed '01 Jetta V6 (new wifes car, pretty quick)
5 speed '85 Peugeot 505 2.2l Turbo Gas 197,000 mi. (wifes car, faster, sadly gone just short of 200k )
5 speed '83 Yamaha 750 Maxim 14,000 mi. (fastest)
0 speed 4' x 8' 1800 lb Harbor Freight utility trailer (only as fast as what's pulling it)

Yes, good to hear something good is being built in the US, but diesel is German technology.

jeff

hey hat my volvo 70 series has been in my boat since 1986 never majored well over 30000 hours now quiet and economical 32 hour steam at 8 knots only burned 168 gal of diesel fuel from point pleasant nj to portsmouth nh in july
but nothing has ever beaten a 671 detriot for longevity they are still around in fishing boats from WW11 back then they were called grey marine 160 hp with manual trannys that were heavier then the engine

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commercial fisherman diesel in my blood in my boats trucks and Dear old Dad has had me drivin them since i got my first license in 1968
1986 300 SDL 427654
1999 Chevy Crew Cab Dually 225423
1986 300 SDL 287000 Dad's
1987 190 Turbo 158000 Mom's (my inheritance)

IN cars, best quality in my experience is the 616 617 na. If well cared for you just about cannot wear them out.

In light trucks the cummins has to be the best, I think.

In other catagories I have no experience.

Tom W

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[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.[SIGPIC]

..I also have a 427 Cobra replica with an aluminum chassis.