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DV-550 Diesel

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When and what truck did IH first use the DV-550 Diesel?

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moved my trailer house out in 79 and the guy who moved it had a truck with a DV550 as I remember it being a kind of rough sounding engine and I asked him and he said it was a CV550 that was in Feb of 79

But I knew some brothers in the spring of 74 who purchased a 1468 in Pennsylvania and had hauled to the area and broke out sod and tried to farm it with big squirts for irrigation. But right after they got the tractor they put a 3 point post puller on it and straddled the old fence and yes a oil filter was broke off from underneath and they filled it with oil and tried to get the local dealer to warranty it. They finally traded it for a 4-150 white and soon went broke

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The DV-550 (and the DV-462) was introduced in 1966 and used in the Loadstar, CO-Loadstar, and the Fleetstar 1900.

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moved my trailer house out in 79 and the guy who moved it had a truck with a DV550 as I remember it being a kind of rough sounding engine and I asked him and he said it was a CV550 that was in Feb of 79

But I knew some brothers in the spring of 74 who purchased a 1468 in Pennsylvania and had hauled to the area and broke out sod and tried to farm it with big squirts for irrigation. But right after they got the tractor they put a 3 point post puller on it and straddled the old fence and yes a oil filter was broke off from underneath and they filled it with oil and tried to get the local dealer to warranty it. They finally traded it for a 4-150 white and soon went broke

When I was working for the dealership we had a 1468 come in with the engine shelled out. It was full of the correct amount of nice clean oil. When I took it apart the was not a bit of oil in the filters or any of the oil galleys. The oil had been changed by one of the sons and they went out to plow with it without putting any oil back in. I think it had the oil put in to make dad think that it failed for some other reason.

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moved my trailer house out in 79 and the guy who moved it had a truck with a DV550 as I remember it being a kind of rough sounding engine and I asked him and he said it was a CV550 that was in Feb of 79

But I knew some brothers in the spring of 74 who purchased a 1468 in Pennsylvania and had hauled to the area and broke out sod and tried to farm it with big squirts for irrigation. But right after they got the tractor they put a 3 point post puller on it and straddled the old fence and yes a oil filter was broke off from underneath and they filled it with oil and tried to get the local dealer to warranty it. They finally traded it for a 4-150 white and soon went broke

When I was working for the dealership we had a 1468 come in with the engine shelled out. It was full of the correct amount of nice clean oil. When I took it apart the was not a bit of oil in the filters or any of the oil galleys. The oil had been changed by one of the sons and they went out to plow with it without putting any oil back in. I think it had the oil put in to make dad think that it failed for some other reason.

**** I "HAD" a stepson who changed the oil in my 2290 Case and put the oil in the transmission but he changed the filters. He said it would not get pressure after priming the turbo. I more or less let him go peacefully and he went to Wal-Mart and applied for a job in the service department and the guy who ran that then was a neighbor and he had heard about this incident and he did NOT get the job

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Howard_P,

appreciate your sharing which trucks had the DV550. What abut the 9.0L V8? I saw a couple small S-series trucks that had the 9 litters in them? Also heard that theses were available in IH's school buses?

I had a friend that worked for Navistar from the Fort Wayne area but since retired and with that went all of his access to such records.

Thanks in advance

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The school buses were Loadstars and had the same options. The S-series replaced the Loadstar and the engines carried over.

There were 4 generations of the DV engine:The DV-550 Series, a dieselized version of the LV-8 in 462 and 550" sizes came in 1966. The DV-550B appeared in 1971. These became the D-150, 170, and 190 Series in 1975 and were further upgraded to the 9.0L Series in 1980. Each generation contained significant improvements over the previous version. Production of this series ended about 1985.

Who was your friend? I'm wondering if I knew him.

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What a wealth of knowledge - WOW! Thank you...

Jerry Steiner is my friend who would share tidbits with me. Jerry just left Navistar after choosing not to relocate to Lisle. Jerry was one of their tooling managers. A great guy...

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Howard_P, on 28 Sept 2014 - 11:38 AM, said:

The school buses were Loadstars and had the same options. The S-series replaced the Loadstar and the engines carried over.

There were 4 generations of the DV engine:The DV-550 Series, a dieselized version of the LV-8 in 462 and 550" sizes came in 1966. The DV-550B appeared in 1971.

The tractors with the DV-550 engine, the 1468 and later the 1568, began in 1971, so I assume they used the "B" series engine.

Regards from Michael H. B)

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I think the tractors used both the A and B series engines. Near the end of the production run there were changes that involved pistons, valve recession, and injection pumps. There could have been a few other changes also.

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I think the tractors used both the A and B series engines. Near the end of the production run there were changes that involved pistons, valve recession, and injection pumps. There could have been a few other changes also.

When I was a Diesel Engine class at Lamar Tech 1968 - 1970 they had a DV-550 diesel with a Holley Fuel Injection Pump. I never knew that Holley made diesel injection pumps!

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These older engines idled on 4 cylinders. Probably the Holley pump?

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Will a 9L fit in place of the DV550? Thx-Ace

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Yes a IH 9L V8 will fit in place of a DV550. It is the same engine with upgrades. The 9L was the final version of that engine.

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These older engines idled on 4 cylinders. Probably the Holley pump?

The DV550 at the Lamar Tech Diesel Engine School had the engine that idled on 4 cylinders. They also had a UD-16 IH engine. I loved the sound of the dual exhaust stacks. They also had a Ford diesel truck engine?

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A 9 liter

Will a 9L fit in place of the DV550? Thx-Ace

If you are thinking of going into the tractor, the 9 liter is a bit more than a bolt in project. In fact its a fair amount of work. We have done it but its no as easy as it sounds.

in a truck i am sure its an easier deal and in a tractor its a real nice engine to run if properly set up. and a good turbo setup really makes them wake up!

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..Don't forget the Australian IHC trucks made in Geelong, Victoria .Among many different models made there was a 6x4 with the DV550 engine as standard equipment .I owned one for a time.....AACO 1950 as I recollect...was no where as good as the AACO's with the triple 5 Cummins...

Mike

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..Don't forget the Australian IHC trucks made in Geelong, Victoria .Among many different models made there was a 6x4 with the DV550 engine as standard equipment .I owned one for a time.....AACO 1950 as I recollect...was no where as good as the AACO's with the triple 5 Cummins...

Mike

Have any photo's of the AACO 1950's? Australia might be a source for DV-550 engine parts for 1468 & 1568 tractors?

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czech...I have been absent on this forum for two or three years.....primarily because of a huge melt down of my computer...which took out a lifetime of pictures.... :angry:

....I have some truck pictures on the old 35mm slides....will eventually get around to putting them into the computer....

The AACO and subsequent ACCO IH trucks shared a common cab profile..for each model.....maybe some of the Aussie blokes could put up a picture or two for your perusal ...at the present I can,t sorry !!!

Mike

....yeah....I know I am a dumb "xxxx" for not having the pics on a disc.......

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czech...I have been absent on this forum for two or three years.....primarily because of a huge melt down of my computer...which took out a lifetime of pictures.... :angry:

....I have some truck pictures on the old 35mm slides....will eventually get around to putting them into the computer....

The AACO and subsequent ACCO IH trucks shared a common cab profile..for each model.....maybe some of the Aussie blokes could put up a picture or two for your perusal ...at the present I can,t sorry !!!

Mike

....yeah....I know I am a dumb "xxxx" for not having the pics on a disc.......

Mike , Very sorry to hear about the technical meltdown , Have you looked into any of the options for getting your pictures back

from your failed drive , It is not cheap (usually ) But the cost has gone down considerably over the years ,

Normally involves sending your drive to a Forensic specialist ,who will manually power the drive and attempt to retrieve it's contents ,

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I know a guy who put a 9 liter in a small 1600 with a flatbed who claims it gets 45 miles to the gallon. when I worked for a Navistar shop we saw a lot in school buses , "oh but the oil leaks" lol , worked on one another time that had an oil leak that no one could figure out, we changed the rear main on a road call to the customers shop, it still leaked, they drove it to us for warranty, I changed the rear main again, and it still leaked, finally had to put the flywheel on and run it without the tranny hooked up, and found the leak was from a bolt hole, the customer had installed this engine and whoever did it put rtv sealant on the bolts which in turn hydrolocked and broke through to an oil manifold in the block. no blocks were available then in around 2005. so we used j&b weld and told the customer not to remove that bolt, never saw it again. so I guess it worked.

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