Ford 5000 233 or 256 engine

Dpierce

Member
I am having trouble indentifying the engine on my 5000. The model number is E2014C which would be the newer 256. However I have read the the 233 has the screw in style frost plugs while the 256 has the soft drive in style. Mine looks to have threaded style so did some of the earlier 256's have the threaded style?
mvphoto19541.jpg
 

My info says E20 is a 5200 row crop built from 67-74.
Even though my info also list it as having a 256 engine that engine was not produced until around April 68, so a 67/early 68 model will still have the 233 engine.
Check the production date for when the engine and tractor were built.
 
(quoted from post at 10:33:18 07/12/18)
My info says E20 is a 5200 row crop built from 67-74.
Even though my info also list it as having a 256 engine that engine was not produced until around April 68, so a 67/early 68 model will still have the 233 engine.
Check the production date for when the engine and tractor were built.

Everything that I have says that they changed the first character in the model number from a number to a letter (5 to E in the case of the 5000 series) when they switched to the "New Models", which was on 4/1/68, the same day that they switched the sheet metal and grill styling, which is also the same day that they switched the 4000 gas engines from 192 to 201 and the 5000 engines from 233 to 256, although I do see a note in the "New Models" section of the service manual that says:

"For an interim period previous model and new model tractors were being produced simultaneously; however, there were no previous tractors produced with a date code after 8G19B"

So it looks like a 5000 with a 233 engine could have been made up until July 19, 1968, but at least some between 4/1/68 and that date, and all after that date were 256 engines.

As I have said in the past... never say "always" or "never" when it comes to Ford tractors.

As to whether it is a "New Model" 5000 engine, check the engine serial number stamped into the flat rail just above the oil pan on the right side of the block. If it is a "Previous Model" engine the engine serial number will start with a "R" and it should be a 233. If it is a "New Model" engine the engine serial number should start with an "E" and it should be a 256.
 
Thanks for the responses, my production code is 8k09b which would be a 1968 made in October. Since it was made before 1969 and after the change over date in 1968 I have one of the 256's Bern reference to.
 
the only number I see on the block is on the starter side and is made in the casting c7nn 6015r it also has the number 72 just above it.
 
C7NN6015R is a 1967 casting code, which just means that casting was designed in 1967. Casting codes are raised up like that one.

The engine serial number is much smaller and is stamped into the metal rather than being raised up.

Look directly below that casting number down at the very bottom of the engine block and you'll see that the flat wall of the block flares out at the very bottom just above the oil pan. That last flat part of the flare that faces out sideways is where the engine serial number is stamped. It's in the middle of the red oval in the picture below.

mvphoto19567.jpg
 
(quoted from post at 18:46:04 07/12/18) it was burried in paint and grease. E038605.

According to all my references, the E at the beginning of the engine serial number makes it a "New Model" 5000 engine, which means that it is a 256.
 

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