- Thread starter Bryce
- Start date
It all depends...I have an '89 Dodge cummins with 250,000,Friend has an old beatup neglected 90 Dodge cummins "ranch truck" with over 500,000.Headrd storys about them with a million...seem lots of powerstrokes with 250-300,000.Dont know anything about duramax,etc...Any engine will last a long time with good maintanance
farmer boy
Well-known Member
JDemaris is likely the most knowledgable, so hopefully he'll expand on this a bit more. Diesels are given a B-rating. The 5.9 Cummins(6BT) has a B10 rating of 210,000-250,000 miles and a B50 rating of 350,0000 miles. This means that 10% fialed by 210,000-250,000 and 90% made it without major repair. At 350,000 miles, 50% had failed, and 50% still ran.
onefarmer
Well-known Member
- Location
- 6735 S Lowell Rd, St Johns, Mi 48879
My 96 Ford F250 PS has over 277,000 miles and uses very little oil and still runs strong.
State of Jefferson
Member
I've got a 7.3 powerstroke with 260k on it still runs fine. Just melted a piston in my other one @ 190k.
If I'd've been a little kinder to the younger one, I expect it woulda kept on goin n goin...
Ben
If I'd've been a little kinder to the younger one, I expect it woulda kept on goin n goin...
Ben
4020deereboy
Member
400000 on the old 92 been totaled twice once when it was 2 years old and once when I jumped it with 13 cows on the trailer . 230000 on the 98 24 valve guy around here has 450000 on 24 valve all original engines
Many years ago, on a dark stormy night, Mercedes found an elderly couple living in the western US with a MB diesel powered sedan that they had bought new, with over a million miles on it. As I recall, MB sent that car through a rebuild facility in Germany and gave them a new car to boot and used them in MB commercials for a while. Nowadays, it is not unusual to hear about vehicles with over one million miles on them. On the tractor side, I know there are several CASE IH diesel powered tractors in Russia with over 40,000 hours on them.
Most diesels are tested and rated for longevity by the "B" system. This is for trucks used like trucks and being driven empty like passenger cars.
A "B50" at 250,000 miles means that when the engine got to the 250,000 mile mark - no major repairs had been done on 50% of those tested.
A "B10" means 10% fail and 90% make it with no repairs.
Isuzu 6H diesel: Has a B10 durability rating of 410,000 miles.
International T444E and Ford IH Powerstroke 7.3 has a B10 of 200,000 miles. B50 of 350,000 miles.
International DT466E has a B10 of 300,000 miles, and B50 of 450,000 miles.
Ford Max-force 7- 6.4 liter - has a B10 of 262,500 miles. B50 - 375,000 miles.
Cummins 5.9 diesel has a B10 rating of 210-250,000 miles and a B50 of 350,000 miles.
Chevy Duramax B10 of 220,000 miles
A "B50" at 250,000 miles means that when the engine got to the 250,000 mile mark - no major repairs had been done on 50% of those tested.
A "B10" means 10% fail and 90% make it with no repairs.
Isuzu 6H diesel: Has a B10 durability rating of 410,000 miles.
International T444E and Ford IH Powerstroke 7.3 has a B10 of 200,000 miles. B50 of 350,000 miles.
International DT466E has a B10 of 300,000 miles, and B50 of 450,000 miles.
Ford Max-force 7- 6.4 liter - has a B10 of 262,500 miles. B50 - 375,000 miles.
Cummins 5.9 diesel has a B10 rating of 210-250,000 miles and a B50 of 350,000 miles.
Chevy Duramax B10 of 220,000 miles
When I worked at the car dealership 5 years ago the oldtimers would tell me that the old cars would go along time too,but you just never knew how many TRUE miles were on them because of the practice of odometer rollback !!!!! They used to call it "set the clock" on work orders.
DaninKansas
Member
Depends on what they say a major repair is. While having to switch out the injectors probably isn't considered a major repair - it sure feels like one on your pocket book. For the cost of replacing the injectors in a diesel you could probably replace an entire gas engine.
The 7.3 and older Cummins are cheaper but the Duramax, newer Cummins, and 6.0 and newer are all over a couple thousand - some cases four to five thousand.
The 7.3 and older Cummins are cheaper but the Duramax, newer Cummins, and 6.0 and newer are all over a couple thousand - some cases four to five thousand.
Pontiac's slogan in the 40s & 50s was: "Built to last 100,000 miles." I remember hunting up in N Wis with a guy who had a '54 Chev "hunting car". The odometer rolled over 100,000 miles as we were driving down an old logging road miles and miles from anywhere. He slapped the dash and yelled "100,000 miles" and the car quit. We all said "Built to last 100,000 miles" and laughed and then realized we'd be walking a long time to get back to the world when, almost miraculously, some of our hunting buddies came up the same road behind us in a '39 Dodge "hunting car".
Nancy Howell
Well-known Member
I've got a 97 F350 with 7.3 diesel. Had 96,000 on it when I bought it about 4 yrs ago. Has about 204,000 now. Haven't had any major engine problems.
I do have a pesky, slow drip fuel leak my mechanics are having a hard time fixing.
I make it a point to take good care of the engine - oil, fuel, filter changes, add lubricant to the fuel, periodically use an additive to remove any water in the fuel tanks, etc.
I've been told the 7.3 is an excellent engine and will last a long time when maintained, so I do the maintenance.
BTW, don't want to start any discussion over the additives. There have been multiple discussions on that subject and my choice is to use them.
I do have a pesky, slow drip fuel leak my mechanics are having a hard time fixing.
I make it a point to take good care of the engine - oil, fuel, filter changes, add lubricant to the fuel, periodically use an additive to remove any water in the fuel tanks, etc.
I've been told the 7.3 is an excellent engine and will last a long time when maintained, so I do the maintenance.
BTW, don't want to start any discussion over the additives. There have been multiple discussions on that subject and my choice is to use them.
buickanddeere
Well-known Member
Should we divide the diesels up into three classes ? Pre common rail, common rail up to 2006, EPA emissions 2007 and later diesels?
According to an article that I read in Motor Age magazine, the "B" series Cummins engines have a mean mileage of 450,000 when they are sent to a shop for overhaul. This was based on actual data collected from automotive machine shops. We have to keep in mind that engines that have a major mechanical failure, or have an injection system that is too expensive to maintain, may never make it to a shop for rebuild. My "97 12 valve Cummins has 271K with no engine repairs required, still running great.
showcrop
Well-known Member
I won't mention additives, but I will bring up filters. When I bought my tri-axle dump truck the Cat engine owner's manual told me "Hey idiot, don't you dare put your greasy mitts on that air filter until the air intake restriction indicator tells you to". The reason is that just the act of opening the housing can admit a little dirt,dust, lint, whatever, and they want the engine that they built to be ingesting clean air only. After two years and 50,000 miles the indicator had not yet shown any restriction, so I had not yet opened it.
DaninKansas
Member
That's why I wonder about the advisability of using a "free flow" filter like a K&N on a diesel.
Personally I wouldn't even consider it especially given the number of miles our vehicles see on gravel roads.
Personally I wouldn't even consider it especially given the number of miles our vehicles see on gravel roads.
I put brand new injector nozzles in my 1983 Chevy 6.2 diesel a few months ago. $6 each for new Bosch nozzles, i.e. $48 total for a set of eight. Not exactly expensive. Some spark plugs for gas engines cost more.
Last year I was going to put new injector nozzles in my 1994 Ford-IH 7.3 turbo. New Stanadyne nozzles were $11 each. I found complete new injector assemblies for $18 each and got lazy and installed complete new injectors instead of just nozzles. Even at $18 each, it is what I consider pretty cheap. Note that my old injectors were fine. I change them as preventative maintenance.
Last year I was going to put new injector nozzles in my 1994 Ford-IH 7.3 turbo. New Stanadyne nozzles were $11 each. I found complete new injector assemblies for $18 each and got lazy and installed complete new injectors instead of just nozzles. Even at $18 each, it is what I consider pretty cheap. Note that my old injectors were fine. I change them as preventative maintenance.
http://m.truckinginfo.com/article/174148/all-you-need-to-know-about-b-numbers
Evidently the B10 and B50 numbers are estimates of engine life provided by the manufacturer. They are based on the engine design (distance of piston travel per mile and other inherent factors). Whether or not the "B" numbers hold up when hundreds of thousands of engines are on the road is another story. I read that Ford assigned a similar B50 number to the 6.0 as they had on the 7.3. The only problem with their engine life estimate was that few if any 6.0's will ever make it to the B50 mileage due to fuel system and other problems. Many 7.3's actually reached the estimated engine life, because the fuel system and the rest of the engine were decent.
Evidently the B10 and B50 numbers are estimates of engine life provided by the manufacturer. They are based on the engine design (distance of piston travel per mile and other inherent factors). Whether or not the "B" numbers hold up when hundreds of thousands of engines are on the road is another story. I read that Ford assigned a similar B50 number to the 6.0 as they had on the 7.3. The only problem with their engine life estimate was that few if any 6.0's will ever make it to the B50 mileage due to fuel system and other problems. Many 7.3's actually reached the estimated engine life, because the fuel system and the rest of the engine were decent.
4020deereboy
Member
Yes we should I know a lot of high milage common rails I think we should divide into pre 2008 and post 2008
4020deereboy
Member
I use to run afe cold air intake and never had silicon numbers even remotely high even running 15000 mile oil changes I will average 100 miles per week in the summer on gravel rd.
GeneMO
Well-known Member
- Location
- Pilot Grove, Mo.
As a kid, in the 50's, I remember my dad considered a car getting long in the tooth when it reached 50,000 miles. He thought 100,000 was plumb worn out. He always tried to trade at 50,000. But then we only drove 8-10,000 a year, and most of it on muddy ole gravel roads. So it was a lot different than highway miles. And those ole 50's and 60's model cars were just not designed like the newer ones.
Gene
cannonball
Member
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