Engine casting # question

sundvl76

Member
I've searched the forums and have found conflicting information regarding the B9NN-6015[b:3ef6f1d62e]B[/b:3ef6f1d62e] casting # on the block of my 1960 861-D. Some info seems to point to an industrial engine, some says it could be either a 144 or a 172, and there was a reference to an LP engine.

Anyone know for sure? The date code is consistent with the transmission dates - engine is Jan 1960, trans is Feb 1960. so at least the year matches.

Trans is stamped "861-D" and serial # is in the 1960 range of numbers.

Just trying to confirm this is indeed a 172 CID engine.

Thanks for any help.
 
All engine blocks from that time period had the B9NN 6015 ? casting number. The letter at the end is the critical character and it determines whether the block is a 134, 144, 172 or 192. I do not know which letter represents which block. Maybe someone who does know will respond.
 
The B9NN was the first to have the casting for the balancer to bolt directly to the block rather than the yoke connected to the center main bearing cap. It has the oil filter casting to accept the cartridge type filter. It was only made for about one year. It was replaced by the C0NN 6015 J casting which was designed for the spin-on oil filter and the boss to bolt the balencer to. This casting was used for LPG, gasoline and diesel with some different machining such as head bolt number and size, drilling and threading for the balencer to bolt to, and main bolt size.
There was no difference in the casting for a farm tractor and an industrial application for any particular year. Most or all industrial applications had the block machined for a fuel pump while the ag models did not.
 
Here's some info from the archives. The first is by the courtesy John Smith. It appears from what info he provides the letter "C" designated the 134 engine and the letter "J" the 172.

The second is by Tony Jacobs.

According to my IT Manual the 144 was not used in the 801 series.

Looking at the info by Tony Jacobs the letter "B" was used in 1960. The number was taken from a 801 series tractor with a diesel engine.

From John Smith
"The block casting code will tell you what it is. Here are the codes -
EAE 6015 - 134 1953-1957
EAF 6015 - 172 1953-1957
310605 - 134 1958-1959
310609 - 172 1958-1959
B9NN-6015C - 134 late 1959 early 1960
B9NN-6015J - 172 late 1959 early 1960
CONN-6015C - 134 late 1960-1964
CONN-6015J - 172 late 1960-1964"

From Tony Jacobs
"I would say you have a Mid to Late year 1960 Ford tractor . If the tractor was a 1959 the hood decal would read 871 or 881 not 801 as 1960 tractors do . The casting number B9NN-6015-B is a 1960 casting number only except for late 1959 tractors or early 1961 tractors with leftover production engines in them ......"

Putting this together may we deduct that the letter "B" indicates it's a 172 diesel?
Thread
 
Thank you to all who responded. This is some great historical information that is helpful to me, so I appreciate the schooling.

I had found John Smith's post but of course his listing only included the C and J suffixes, so the B was a mystery.

Although the 801's didn't use the 134 engine, I just want to be sure there is [u:4f48772816]still[/u:4f48772816] a 172 in place, since I have no background on this tractor.

The collective knowledge on this forum is truly amazing!
 
I might as well stir the soup, too. I have a 601 (661) Workmaster with a 134 and the casting number is 310905 not 310605 as Smith says. It knocked a rod through the block and the used Ford industrial engine I got for it also has a 310905 casting # on block. Typo??

Irv*
 

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