1969 Ford 3400 Diesel - block heater

neighborBOB · Feb 18, 2021

Hi Folks

Anyone know where the location is on the tractor for a block heater? (3 cylinder - diesel)

Was wondering about buying this:

https://www.yesterdaystractors.com/D8NN8B152AB_Engine-Block-Heater-Thread-in_31022.htm

BUT, I don't know much about what might have been an accessory on this tractor back in 1969

neighbor Bob
Chelsea, MI, USA

Russ from MN · Feb 18, 2021

Don't know anything about Ford diesel tractor engines, but that should work! 400 watts is not a lot, but when it's in the block it's
efficient, might have to plug it in a little longer. I use a block heater and a magnetic heater on the oil pan if I want to start our JD 4600
when it's below zero F. I use the magnetic heater because I run 15-40 oil year around, but seldom use tractor in winter.

JayinNY · Feb 18, 2021

Do you have a block heater? Or looking to add one? All mine are on the left side of the tractor right behind the
starter, if no heater on yours, you will have to take out the freeze out plug to install a block heater, check that
area on your engine, my 3 cylinders are newer but may be the same on yours.

sandcastle1 · Feb 19, 2021

how do you pull the starter motor with that heater there? Do you have to pull the heater to than pull the starter?

JayinNY · Feb 19, 2021

Destroked 450 · Feb 19, 2021

69 was when they changed from screw in core plugs to to the drive in cup plug style, depends on when the tractor was made as to which plug it has in the block.
The plugs are on the right side, one behind the injection pump and one behind the starter, rarely do the screw in plugs ever come back out and most just install a inline heater in the bottom radiator hose, much simpler to do.
I don't see how there's would be enough room for the starter with that bushing and heater sticking out 1 1/2" - 2" from the block plus the cord.
For the later blocks the core plug heater offers enough room but you can still use a inline heater in the bottom hose and it's much simpler to install.

neighborBOB · Feb 19, 2021

(quoted from post at 17:14:05 02/19/21)
69 was when they changed from screw in core plugs to to the drive in cup plug style, depends on when the tractor was made as to which plug it has in the block.
The plugs are on the right side, one behind the injection pump and one behind the starter, rarely do the screw in plugs ever come back out and most just install a inline heater in the bottom radiator hose, much simpler to do.
I don't see how there's would be enough room for the starter with that bushing and heater sticking out 1 1/2" - 2" from the block plus the cord.
For the later blocks the core plug heater offers enough room but you can still use a inline heater in the bottom hose and it's much simpler to install.

thanks, I'll have to take a look at both options

1969 Ford 3400 Diesel - block heater

neighborBOB

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Russ from MN

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JayinNY

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sandcastle1

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JayinNY

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Destroked 450

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neighborBOB

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