Block number

Bill Brox

Member
Hello,

I wonder about something on a Perkins 248 engine. It is talk about what pistons and sleeves (liners) to use. And, it is refered to an Engine block number. This number does not at all look like the engine serial number. So, where does one find this Engine Clock number, for example ZZ50080.

I someone can help.


All the best from Bill
 
I have no idea. But remember when i rebuilt my Perkins 212 petrol? i used mostly 202 diesel parts. What ever you have should be able to cross reference with at least one other Perkins in that range. I wouldn't worry about numbers, i would just worry about deminsions and tolerances.
My old laptop died a few months ago, so i lost tract of the farming website you were building. Any luck with that? I don't want to put pictures of my chickens on here, i could never live it down.
 
This will tell you where to look for the block number, it will be stamped into the block where the surface is machined flat (not a raised cast number).
48017.jpg
 
I guess I will just recommend for my cousin to go to the local MF dealer and let them handle it. This block number seems to be a secret thing Perkins or MF keep for themselves.


Bill
 
I once had a 'disagreement' with a local diesel engine guru? Self proclaimed guru... as to what should be on the serial number, like what PT has shown here. The U for United Kingdom etc etc, he didn't want to hear it- as for casting codes... i wonder if these were a 'private use' sort of thing, only needed in house on that day?? For their own records?? not for us to be concerned with? I am wondering if you have a block cast in India or South America or ????
 
They ask for the engine serial number as there is changes made to the engine over time. If you guess serial number, or don't give them a serial number you may not get the correct parts. You may have to strip the paint off of the block where the serial numbers would be stamped because they can get covered over with paint, and gunk over the years.
 
Well, here is the deal. The engine is produced in England, (UK), but the tractor is produced in France. I think all 600 series in Europe were produced in France.

Now, to the issue. I was looking in the Sparex catalog online, and they have two pistons for the same engine. One goes for engines with block number so and so, and the other goes for engines with a different block number. It is not referred to engines up to serial number so and so, and then the other piston from serial so and so and up. So, my thought was that for a time maybe they were making more than one block type and used them together and that it this way was almost impossible to say which piston to use depending on engine number, but that the block number was needed. I hope I explain myself in a way you can understand it.


Bill
 
With it made in France explains a lot (why they have to complicate things I don't know). I assume you have a model 670 since it has a 4.236 diesel. Here is what the AGCO parts book shows for the piston, they do not have any notations of different pistons for different block numbers, engine serial numbers, or anything like that.
48344.jpg
 
This is the engine serial # (4816437) on my 175 Diesel with the 236 Perkins. Never been able to figure it out. Looked on the Nebraska test from 1965 for this tractor and they listed a similar looking engine serial number. Doesn't look like a Perkins number. Did Massey have their own system of numbers?
 
Massey Ferguson owned the Perkins engine company from 1959 until 1986 I believe. LucasVarity owned Perkins after that, then Caterpillar bought Perkins in 1998.

MF used the Perkins serial numbers. I have never heard of them using "block numbers". If you look at the Perkins serial numbers used in the MF catalog, the "LF" indicates its a 4.248, the "U "indicates made in the UK. The "839080" is just a serial number, the "J" indicates the year it was manufactured which should be 1969. The only difference in the piston appears to be going from a 4 ring piston to a 3 ring piston. I believe some people think what they call the "block number" is actually the "build number". As you can see from the MF parts book the piston change occurred at engine serial number U839080J. Using the MF parts book I don't see why people are making what piston is used so complicated.
 
(quoted from post at 11:38:46 04/30/17) This is the engine serial # (4816437) on my 175 Diesel with the 236 Perkins. Never been able to figure it out. Looked on the Nebraska test from 1965 for this tractor and they listed a similar looking engine serial number. Doesn't look like a Perkins number. Did Massey have their own system of numbers?


Perkins engines built prior to 1966 uses a different serial number system that what was used from 1966 to 1978. After 1978 the serial number system used had been changed. Every time I buy engine parts they only ask for the engines serial number. I never heard of anything like a "engine clock number", and I've never heard any engine parts guy ask for "engine clock number".
 
On my Massey Ferguson 250 Perkins 3cyl 152, it appears that my engine serial number is part of the block number. I think a lot of people consider them the one in the same. It also has a tractor serial number stamped on the metal plate in its place where it should be. Its a little confusing until you figure it out. what I haven't figure out is what the numbers and letters are on the left side of the engine. It is hard to make them out. they are raised letter and numbers. where as the engine serial number and block number are stamped down in the metal. Im going to get around to cleaning that area up one of these days, getting a good light and writing them down to research them. I'm just curios.
 

LOL, yes dang that computer. No Edit. LOL.

My cousin has been to the local Massey Ferguson and it sounds like he is going to get parts there, and they will also tell him the torque settings for the nuts and bolts around here and there.

Being the MF dealer they will provide the right parts as long as they get the engine serial number. And he has that. And the tractor serial number too.

I wish I was there to help him, but tooooooooo far away.
 

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