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Engine Block

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cummins

Ok I got a quick question, am I seeing right I was looking for the number on my block (2000 dodge ram 2500) and the only one I could find was a 48 is this right also I looked at my second truck (2001 dodge ram 2500) and it had a 55 on it same spot driver side by a big wire harness . Are this good or bad thanks!

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ISX

Sounds right. I think they are all considered good except the 53 block which cracks. But even then they don't crack if you treat them right, let them warm up.. You don't have the 53 so no worries.

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cummins

Sounds right. I think they are all considered good except the 53 block which cracks. But even then they don't crack if you treat them right, let them warm up.. You don't have the 53 so no worries.

Cool thanks man!

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ISX

Did some more searching.. There's 53,54,55, and 56. So 55 is definately valid so that has to be the block you got.

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Mopar1973Man

53 block issues is rather hit and miss like the 5th gear nut problem... If you treat the truck right and let it warm up before putting it to serious work and take care of the coolant when needed... Most don't even see a problem with the 53 blocks cracking. I've even seen few of them used in racing applications and still holding up just fine... But since you don't have a 53 block no worries... Just enjoy the long life of your truck...:thumb1:

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flman

My serial number is 4598859. Is it in the serial number or in the casting of the engine?

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guesswho512

My serial number is 4598859. Is it in the serial number or in the casting of the engine?

that maybe a mexican casting?!

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cummins

Did some more searching.. There's 53,54,55, and 56. So 55 is definately valid so that has to be the block you got.

So what about that 48 on my first one ? Or am I looking at the wrong number?

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ISX

Those 4 were the only ones I found from searching around. I'm sure there's more but I can't find any complete list.

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gassernomore

. Brazilian Blocks are cast by a company named "TUPY" and are marked such. They are identified with cast evolution numbers. #53's are TUPY's. #54 and later evolutions were improved to correct the block issues that the 53's had.

2. Mexican Blocks were made by "Teksid" these blocks to my knowledge never had a problem with cracking, as they are heavier duty by trait, but they did follow the evolutions and got thicker. These blocks do not have the 2 digit "cast number" embossed on the side, instead a series of numbers that are unidentifiable to me. The Mexican blocks were rumored to even be harder to machine do to a harder cast overall, basically better quality in my opinion.

Brazilian Tupys always seem to outnumber Mexican blocks during the ISB's production probably about 8 to 1. So basically if there is a pattern number its Brazilian, if there is a series of small numbers its Mexican.

By the way the Mexican equivalent of a 56 pattern was the Heaviest ISB block of all. This means if you have a 2002 without a #56 on it and instead it has a series of numbers that are smaller and hard to identify, you got the the big boy

Don't know if this will help you out for your search for info. Good luck!

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cummins

. Brazilian Blocks are cast by a company named "TUPY" and are marked such. They are identified with cast evolution numbers. #53's are TUPY's. #54 and later evolutions were improved to correct the block issues that the 53's had.

2. Mexican Blocks were made by "Teksid" these blocks to my knowledge never had a problem with cracking, as they are heavier duty by trait, but they did follow the evolutions and got thicker. These blocks do not have the 2 digit "cast number" embossed on the side, instead a series of numbers that are unidentifiable to me. The Mexican blocks were rumored to even be harder to machine do to a harder cast overall, basically better quality in my opinion.

Brazilian Tupys always seem to outnumber Mexican blocks during the ISB's production probably about 8 to 1. So basically if there is a pattern number its Brazilian, if there is a series of small numbers its Mexican.

By the way the Mexican equivalent of a 56 pattern was the Heaviest ISB block of all. This means if you have a 2002 without a #56 on it and instead it has a series of numbers that are smaller and hard to identify, you got the the big boy

Don't know if this will help you out for your search for info. Good luck!

Thank you all for all the info it has given me a lot of knowledge .I will look at the motor a little more in the mourning thanks!

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guesswho512

Where is CNS - CONSOLIDATED DIESEL CO. located?

just a shot in the dark (actually a google search) but: CNS 317 East 3rd Street, Mt Vernon, NY 10553-5124(914) 667-0560‎ all it said was automotive repair...don't know if that is it or not

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flman

My Cummins built 50 miles from home in Mt. Vernon? I kind of doubt that? LOLIt could just be a US plant that was shut down when they went to Mexico, I could not bring up the name in a search either, I guess I could ask Cummins?

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flman

That was fast, I got the answer in a 1/2 hour, no Amigo engine in my rig :cool: Your ticket has been updated on the QuickServe Online HelpDesk! UPDATE DETAILS: The plant is now known as the Rocky Mount Engine plant located near Rocky Mount NC. And the plant is still in operation. Thank you for your inquiry. Regards, QuickServe Online Support You can check all ticket details by going to: https://quickserve.cummins.com/qshd/status.php?ticketid=33708 If this is a request for more information, please open your ticket with the link above, then select 'add response to this ticket', type the requested information, and click 'add a response'. We appreciate your cooperation. QuickServe Online Support Cummins Inc.

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Lone Watie

Cummins QSOL wrote me that my engine was made at the Columbus MidRange Engine Plant, located about five miles south of Columbus, Indiana. Don't know if that's good or not. I was hoping for an amigo motor. Guess I just need to get under the old girl and find out for sure if she's a 53 or not.

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cmns2500

. Brazilian Blocks are cast by a company named "TUPY" and are marked such. They are identified with cast evolution numbers. #53's are TUPY's. #54 and later evolutions were improved to correct the block issues that the 53's had.

2. Mexican Blocks were made by "Teksid" these blocks to my knowledge never had a problem with cracking, as they are heavier duty by trait, but they did follow the evolutions and got thicker. These blocks do not have the 2 digit "cast number" embossed on the side, instead a series of numbers that are unidentifiable to me. The Mexican blocks were rumored to even be harder to machine do to a harder cast overall, basically better quality in my opinion.

Brazilian Tupys always seem to outnumber Mexican blocks during the ISB's production probably about 8 to 1. So basically if there is a pattern number its Brazilian, if there is a series of small numbers its Mexican.

By the way the Mexican equivalent of a 56 pattern was the Heaviest ISB block of all. This means if you have a 2002 without a #56 on it and instead it has a series of numbers that are smaller and hard to identify, you got the the big boy

Don't know if this will help you out for your search for info. Good luck!

ooooh i hope i gots that one....i've yet to even check....but i guess this may kinda suck cause i was plannin on borin and strokin it in a few years....

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Freelancer88

I didn't even go looking for the casting number on mine. It was when I was rebuilding my front end I happened to glance up and there was a big ol' 55 staring back at me, was pretty stoked when I saw that!

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Grunthmc

I have a cracked block. I think that it is a 53 but after the crack, I don't care to look. 53 or not it is still cracked.I plated over it with gasket (copper) silicone and then bolted it to the block. So far so good.Can't seem to find a fix that is economical or reliable.

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Dave3500

Ok I got a quick question, am I seeing right I was looking for the number on my block (2000 dodge ram 2500) and the only one I could find was a 48 is this right also I looked at my second truck (2001 dodge ram 2500) and it had a 55 on it same spot driver side by a big wire harness . Are this good or bad thanks!

OK, I gotta look for mine later today when I check my oil. Drivers side of the block by the wire harness, cool , got it! Thanks, Dave

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