NAA Engine casting number

Tinkerman · May 27, 2012

New to tractors....just a motorcycle nut up until now. Just bought a well beat up 1954 NAA. I will need to change out the engine block...it through a rod at some point in it"s life. My engine casting number is EAE6015F and the blocks I have found are all EAE6015D. Does anyone know what significance this might have. The general feeling I get so far is that it won"t be a big deal but will be shipping the replacement block some distance and don"t want to eat the shipping costs. Thanks very much...geo

Fordfarmer · May 27, 2012

I can't remember all the variations of casting numbers on the 'Red Tiger' series of engines. There were 134 c.i.(like yours), 144 c.i., 172 c.i. and 192 c.i. variants in gas, LP, and diesel. All are physically the same externally, and will swap back and forth. BUT... an NAA's rear end isn't built to take the h.p. and torque of the bigger engines. I -THINK- all EAE6015's are 134's, but I'm not 100% sure. There have been a couple discussions about these casting numbers on the Ford forum in the last 2-3 weeks. Maybe do a search there.
Where are you? I have a 134 c.i. industrial that needs a new home... I've been looking for a tractor with a bad engine to buy, but I'd also consider selling the engine. Email is open.

ericlb · May 27, 2012

just went out and looked, my jubilee has the F block, this engine is known to be original to this tractor not sure just what the difference is, but hope this helps

ericlb · May 27, 2012

just wondering.. the later 55 and up series had a different setup for the hudraulic lines [internal vs external, just wondering if thats the difference

Hal/Eastern WA · May 27, 2012

On the other hand, I think the NAA used about the same transmission and rear end as the 8N, and a BUNCH of N"s were repowered with Ford flathead V8"s, flathead 6"s and even OHV 6"s, and probably other engines. Maybe the repowered tractors owners had to be a little careful with putting on the power too hard and too fast, but I have not heard of a lot troubles with the MUCH more powerful engines tearing up the transmissions and rear ends of the modified tractors.

So if the owner of the NAA can come up with a good 172 engine, I would suggest using that. It should bolt up just fine and unless he really abuses the creation, he will probably never have any unusual problems with it.

However, some people are really concerned with something being "correct" and to do that he would need to find a block or engine with the proper casting number to "restore" the tractor. If not, your good 134 would also maybe be a good choice to get it going, if the price is right and it is close enough that the shipping would not make that cost be unreasonable. Good luck to both of you!

Tinkerman · May 27, 2012

Appreciate the info...I beleive that the EAE means a 134 block and that 6015 just means engine block in Ford Speak.

I am located out on a rock in the North Atlantic called Newfoundland...Canada's most eatern province so shipping is always an issue and bringing anything across the border from the US to Canada gets the Feds salivating over customs fees but I am open to price suggestions on available blocks. I have a D block located in Manitoba for $300 Canadian....just checking out shipping now. this tractor is in rough shape so this is at least a years project for me...currently researching a lot and getting a feel for prices and sources for parts and will do a lot of the rebuild this coming winter. Again...thanks for the info.

geo

NAA Engine casting number

Tinkerman

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Fordfarmer

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ericlb

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ericlb

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Hal/Eastern WA

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Tinkerman

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