Installing a tank heater on a 4440 john deere
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Thread: Installing a tank heater on a 4440 john deere

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    Installing a tank heater on a 4440 john deere

    Could anyone tell me where to plumb into the cooling system to put on a tank heater on a 4440. I find the block type heater to be insufficient and slow. I have tank heaters on 3020/4020 and am very pleased with them, and I got handed a tank heater for free from my father-in-law that no longer needed it. TIA

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    Have you checked to determine if block heater is operating correctly IE as designed? I think attach one hose of tank heater to port on LH side of engine where drain cock is located & other hose to RH side of cyl head.

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    Remove the coolant drain cock(blue arrow) on the left side of engine.
    Purchase and install the necessary fitting to connect the inlet hose of the Tank Heater.
    Run the outlet hose(red arrow) of the Tank Heater, around the back side of the engine.
    Click image for larger version. 

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    Remove one of the plus on the right side of the cylinder head(red/orange arrow).
    Purchase and install the necessary fitting, to connect the outlet hose of the Tank Heater to this location.
    Click image for larger version. 

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    BigJim55 likes this.
    Michael

    2019 JD Z540R, 54" cutting deck w/MulchControl™
    1984 JD 750 Tractor
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    Also have a bunch of other useless stuff.










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    Quote Originally Posted by flyweight View Post
    Remove the coolant drain cock(blue arrow) on the left side of engine.
    Purchase and install the necessary fitting to connect the inlet hose of the Tank Heater.
    Run the outlet hose(red arrow) of the Tank Heater, around the back side of the engine.
    Click image for larger version. 

Name:	0db8aa35-b392-4a99-b78c-be9f30cec698 - Copy.jpg 
Views:	2 
Size:	68.8 KB 
ID:	545417

    Remove one of the plus on the right side of the cylinder head(red/orange arrow).
    Purchase and install the necessary fitting, to connect the outlet hose of the Tank Heater to this location.
    Click image for larger version. 

Name:	26639450526_7cc7915168_c.jpg 
Views:	2 
Size:	182.6 KB 
ID:	545425
    Thank you!!!!!
    BigJim55 likes this.

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