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  1. #1
    Silver Member OrangeJbird's Avatar
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    Jul 2008
    Posts
    119
    Location
    NW WI
    Tractor
    3320 w/300cx FEL

    Default 3320 Block heater location?

    I see 2 plugs on the Left side. Put it in the front or back one?
    I bought a 1" NPT heater for $27.00
    Looks just like the Deere and Zerostart models.

  2. #2
    Elite Member foggy1111's Avatar
    Join Date
    Dec 2008
    Posts
    2,502
    Location
    Nisswa, MN
    Tractor
    JD 3320 eHydro w/ 300CX Loader

    Default Re: 3320 Block heater location?

    Bump. I'm sure someone has installed their own here.

    Mine came with the block heater installed.....but my tractor is a long way from here. IIRC it's located near the front of the engine. I'm not sure the location would make a difference.....but which one is easier to access for you?

    I can remember having some difficulty accessing the plug when installing one on my old 790. Only one location for that model.
    3320 eHydro, 300CX Loader & 15 + great attachments

    You gotta mine allot of dirt to find a diamond.

  3. #3
    Silver Member
    Join Date
    Apr 2008
    Posts
    237
    Location
    Bigfork, Mn.
    Tractor
    JD 4110HST

    Default Re: 3320 Block heater location?

    I installed my own on a 4110. I used the rear plug--easiest to get at in my case. Simple job and it didn't take too long.

  4. #4
    Super Member greg_g's Avatar
    Join Date
    Dec 2003
    Posts
    6,053
    Location
    Western Kentucky
    Tractor
    JD3720 Cab, 300X loader with 4-in-1 bucket

    Default Re: 3320 Block heater location?

    I'm having the dealer install mine tomorrow. On a turbo-charged, inter-cooled 3720 cab with loader, there's just too much in the way to actually get at the block. Open the hood, and it looks like a mad plumber was let loose in there. Dealer says 30 minutes, so I'll let it be their 30 minutes. For me, it would probably be 3 hours.

    //greg//
    USN (Ret)
    Former Chinese tractor owner (x4)
    Current John Deere owner

  5. #5
    New Member
    Join Date
    Aug 2008
    Posts
    13
    Location
    Riverside, IA
    Tractor
    John Deere 955

    Default

    I just installed one on my jd 955 and put it in the left front hole per my dealers recommendation. Not sure if it makes a difference though.

  6. #6
    Bronze Member zr2blz's Avatar
    Join Date
    Nov 2008
    Posts
    65
    Location
    Berthoud, CO
    Tractor
    John Deere 3320

    Default Re: 3320 Block heater location?

    I installed mine 4 years ago. Put it in rear, can't take a picture as my Femco is on. I do remember that the plug was really tight, put long pipe on my 1/2" breaker bar. I got the JD ($$) one, it does work good (15-30 min.) and only draws 3 amps.
    2007 3320 os / 447 BH / 300CX - 5' bucket / 7' rear blade / 4x2" skidsteer spacers on rears
    2014 825iS4 full wrap around, winch, hardtop, pwr tilt box, 3 sets of top lights, blinkers
    2006 Honda es Foreman 500 with 5' blade

  7. #7
    Gold Member kevinwak's Avatar
    Join Date
    Aug 2011
    Posts
    309
    Location
    Northern Alberta
    Tractor
    John Deere 2520

    Default

    I installed the one on my 2520. I only had one hole I could remove that was threaded. The other was a knock out plug. It was 1" NPT threads. I has to remove the alternator to get to the plug. Now if winter wasn't about 2 months late in coming I could try it out.
    2007 F150 SCab 4X4
    2011 JD 2520
    Box blade, MMM, FEL, Landscape rake, PHD, Rear Snow blower, Rototiller, 50 year old 8 foot disc
    Sylvan 2520 Pontoon Boat
    Honda 919

  8. #8
    Silver Member OrangeJbird's Avatar
    Join Date
    Jul 2008
    Posts
    119
    Location
    NW WI
    Tractor
    3320 w/300cx FEL

    Default Re: 3320 Block heater location?

    Quote Originally Posted by foggy1111 View Post
    Bump. I'm sure someone has installed their own here.

    Mine came with the block heater installed.....but my tractor is a long way from here. IIRC it's located near the front of the engine. I'm not sure the location would make a difference.....but which one is easier to access for you?
    Thanks.
    Still no definite answer as to which hole it goes in. Front one looks easier but I'm not sure there's clearance behind the plug. We're getting there.
    Someone a Deere Technician here that has put one in?

  9. #9
    Super Member greg_g's Avatar
    Join Date
    Dec 2003
    Posts
    6,053
    Location
    Western Kentucky
    Tractor
    JD3720 Cab, 300X loader with 4-in-1 bucket

    Default Re: 3320 Block heater location?

    Ok, my 3720's back from the dealer. For $44 labor, they installed JD heater #AR87167 ($75) and gasket PM38656 ($17). Glad I had them do it, because it's behind the large diameter hydraulic return on the left side of the engine block. You should have the same block as me, without the turbo and intercooler. I can't even see the heater behind the hydraulic line, I had to follow the 3 prong cord and feel behind with my hand. It's forward of the starter motor, but aft of the 2nd hydro pump, hidden behind (what I think is) the big fat eHydro supply line. Pretty sure they had to remove the at least the hydraulic line - perhaps more - just to get access to the hole.

    //greg//
    USN (Ret)
    Former Chinese tractor owner (x4)
    Current John Deere owner

  10. #10
    Silver Member OrangeJbird's Avatar
    Join Date
    Jul 2008
    Posts
    119
    Location
    NW WI
    Tractor
    3320 w/300cx FEL

    Default Re: 3320 Block heater location?

    Thanks Greg

    I think that's where I' ll put mine.

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