Ford Motor Identification

[Dave_ritt]

Can someone help identify this motor. The casting is
DINN-6015B. The motor is out of a Cedarapids paver.

 

[Sean in PA]

Second character should be a numeral not a letter, so likely it is D1NN-6015B, which a quick Google search shows to be a 4 cylinder 233 ci gasoline engine. The 233 was used in early 5000 series tractors before they were upgraded to the 256.

 

[Destroked 450]

Sean: send me the info on how you break the engine codes down like that.

 

[Sean in PA]

Destroked,

I didn't decode anything. I just knew that the second character has to be a numeral as that is the year within the decade, and then I just plugged D1NN-6015B into Google and all of the hits on the first page agreed that it was a 233 gasser.

Casting codes are codes for the engineers to keep track of their design changes over time:

1st character is a letter representing the decade (B-1950's, C-1960's, D-1970's etc.)
2nd character is a numeral that is the year within the decade (C3 - 1963, C7 - 1967, D1 - 1971, etc.)
3rd character is a letter that designates which Ford division it was designed for. N is the tractor division.
4th character is th edivision that ddesigned it. Again, N is the tractor division.
6015 simply means "engine block"

Any letters after the 6015 in an engine block casting code are references as to which engine block design that was made that year by that division for that division, so D1NN6015 simply means an engine block that was designed in 1971 by the tractor division for the tractor division, and since there were probably many different engine casting designs made that year, the B at the end simply tells them which design revision within the year that it was. One with an A at the end might be for a 3000 engine, and one with a C at the end might be for a 7000, etc. You don't know just by looking at it. You need to either have reference books, which machine shops have, or you just use Google to look it up. Sometimes a Google search will return hits with conflicting information and at that point you can't say for sure.

 

[Destroked 450]

Yea I figured the I was a 1 and that it was a 71 model design, just wasn't sure how you determined the size and fuel type, they has changed the diesels to 256 engine in 68 and I thought they used the same block for gas and diesels.

 

[Fordfarmer]

Early 5000's were '65 through early '68,
so why would a block designed in '71 be a
233 gas?
There should be an ID number stamped on
the oil pan rail at the bottom of the
block that will tell what it is.

 

[Destroked 450]

I believe they where still using the D1NN block design in 75 when they went back to the 233 in the 5600 models, 6600 used the 256.
I can check, I have a 74 5000 engine in the shop, and 75 model 6600 in the shed and will use MIL's 5600 tomorrow to feed hay, thinking it's a 77 model.

 

[Sean in PA]

(quoted from post at 14:47:23 03/02/20) Early 5000's were '65 through early '68,
so why would a block designed in '71 be a
233 gas?
There should be an ID number stamped on
the oil pan rail at the bottom of the
block that will tell what it is.

I was thinking the same thing about the 1971 design date for the block casting when they switched from the 233 to the 256 in 1968, but if you do a Google search on D1NN-6015B, every hit returned says it's a 233 gasser. If they did use the same block for diesel and gas as Destroked says, then it might have been a design made in preparation of the 1975 5600 models that also started out with 233 diesels and were then upgraded to the 256 as well.

It could also be that Ford was selling them as an industrial engine to third parties like the Cedarapids paver that the OP says his engine came from.

If you want to know for sure what the bore, stroke and displacement it is, call your local machine shop and ask them to look it up in their books.

 

[Fordfarmer]

As far as I know the blocks were the same
for both gas and diesels. I know they can
be interchanged. I'm pretty sure all
5600's were diesels, too. 6600 was
available as gasses, but not the 5600.

 

[Destroked 450]

It's interesting that they only list the 6600 with a gas engine when parts where available to build gas versions of both the 233 and 256 engines.
Kinda like the early 192 gas never being available in diesel form although diesel pistons were readily available.

 

[Dave_ritt]

Thanks guys for all your input. The valve cover says its a 256 but I was unable to find
any info to confirm that. Possibly someone put a valve cover from a 256 diesel on a 233 gas?
That number is 256DF-6006-E.

 

[Sean in PA]

(quoted from post at 13:49:56 03/03/20) Thanks guys for all your input. The valve cover says its a 256 but I was unable to find
any info to confirm that. Possibly someone put a valve cover from a 256 diesel on a 233 gas?
That number is 256DF-6006-E.

Is it a diesel engine or a gasoline engine? I only said that it was a gasser because that's what all of the Google hits claimed, but others here afterwards have said that the diesel and gasoline engines used the same blocks.

 

[Dave_ritt]

It is gas. The valve cover seems to be from a diesel

 

[Destroked 450]

They built 256 gas engines also, does it say diesel on the valve cover.
Looked at the blocks on my tractors, the 74 5000 has block #D1NN 6015B, the 75 6600 has block number D4NN6015J, forgot to look at the number on MIL's 5600 today.

 

[Dave_ritt]

Yes it says diesel on the valve cover. The serial, best I can tell is E-441753.
The model says 256DF-6006-E

 

[Dave_ritt]

The serial number on the valve cover and
on the edge of the block by the oil pan is the same. E-441753.
The model on the valve cover is 256DF-6006-E. Any ideas would
be appreciated. Dave

 

[Destroked 450]

Looked at MIL's 5600 today, tractor is a 78 model with 233 ci engine, block number is D5NN6015H.

Since the one you have is gas and it has a diesel label on the valve cover it's possibly a reman, if that's the case there's no way of knowing what ci is without measuring the bore.