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  1. #1
    New Member
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    Apr 2013
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    Western SC
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    None- currently looking

    Default Does the JD 3320 weigh too much to mow over septic tank and lines

    Hi everyone,

    I am new to the site and currently have my eyes set on a 3320 for our 3 acre property/home that we purchased 2 months ago. We have approx 1 acre of grass but that will be expanding including the making of a garden and clearing some trees. I also expect a lot of loader work in the future thus the need for a FEL. I am wondering about the above question as we have a sandy/clay soil and do not want to damage the septic system. Thanks for any assistance

  2. #2
    Member
    Join Date
    Dec 2010
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    38
    Tractor
    JD 3520

    Default Re: Does the JD 3320 weigh too much to mow over septic tank and lines

    Hi kehi,

    I don't think anyone can tell you in good conscience that you should have anything on top of your septic tank cover, regardless of the psi at the ground. Tremedous variance in the construction & quality of tanks/covers...

    That being said, I have a 3520 and do mow over the top of mine without issue, having an mx5 on the back and the 300cx & 6 ft heavy bucket on the front... if I break through it's my own %^#$ fault because I shouldn't be doing it.

    I know it's no definitive answer, but it's the best one I've got for you! It is a great platform for doing a tremendous variety of tasks & still fitting into a lot of places. More power & lifting capability than the size of it can get to the ground--very light machine for what it offers.

  3. #3
    Platinum Member cartod's Avatar
    Join Date
    Aug 2008
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    617
    Location
    Northern, West Virginia
    Tractor
    JD 3320, 820,400,255

    Default Re: Does the JD 3320 weigh too much to mow over septic tank and lines

    I don't see a problem with it, turf tires would help lighten the footprint.

  4. #4
    Gold Member BuilderML's Avatar
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    Nov 2012
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    300
    Location
    Tolland, CT
    Tractor
    CCY SX3100

    Default Re: Does the JD 3320 weigh too much to mow over septic tank and lines

    I would think that it would be a little heavy to do regular mowing. My unit is equal to a jd2720 and with the r4's i have on i leave a slight indent in the lawn.Wish i had turfs. I do go over my septic at 2000-2500 lbs i don't see it being a problem to do so.

  5. #5
    Super Member
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    Feb 2008
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    8,826
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    somewhere usa
    Tractor
    Deere 110tlb, 4520, x749, L130

    Default Re: Does the JD 3320 weigh too much to mow over septic tank and lines

    Quote Originally Posted by brown40 View Post
    Hi kehi,

    I don't think anyone can tell you in good conscience that you should have anything on top of your septic tank cover, regardless of the psi at the ground. Tremedous variance in the construction & quality of tanks/covers...

    That being said, I have a 3520 and do mow over the top of mine without issue, having an mx5 on the back and the 300cx & 6 ft heavy bucket on the front... if I break through it's my own %^#$ fault because I shouldn't be doing it.

    I know it's no definitive answer, but it's the best one I've got for you! It is a great platform for doing a tremendous variety of tasks & still fitting into a lot of places. More power & lifting capability than the size of it can get to the ground--very light machine for what it offers.

    This is a good answer imo, because we just have no way of knowing what your situation is. I have been in the plumbing business for 25 years and can say that some systems you can drive a heavy truck over and some are on the verge of collapse.

  6. #6
    Gold Member BigMike50's Avatar
    Join Date
    Mar 2013
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    377
    Location
    Uranus
    Tractor
    2012 JD 3520 Cab 1996 JD LX172 1985 Wheel Horse

    Default Re: Does the JD 3320 weigh too much to mow over septic tank and lines

    Yeah I agree that we can't tell you with good confidence because we don't your specs but I can tell you that I mow over my septic tank and drain field with my heavier cab tractor and do so with great confidence. It would have to be one big tank to get the full weight of 2 ton over the tank in one pass. I get maybe one wheel of weight displacement over the tank at a given point.

  7. #7
    Veteran Member troutsqueezer's Avatar
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    Sep 2010
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    1,048
    Location
    Pilot Hill, CA.
    Tractor
    Kubota B21

    Default Re: Does the JD 3320 weigh too much to mow over septic tank and lines

    I drive over my lines all the time on my B21 with no ill effects, even using the BB sometimes. I do recognize that if I screw something up, I'll pay the price. But no probs yet.
    - Dennis

    Once you see the bandwagon, it's too late.
    www.goldfinch-acres.com
    Kubota B21
    Polaris Ranger
    Yamaha Kodiak

  8. #8
    Super Star Member
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    Mar 2009
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    15,746
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    Missouri
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    Kubota, John Deere, Case, Massey Ferguson, Ford

    Default Re: Does the JD 3320 weigh too much to mow over septic tank and lines

    What others said, just can't say, I have driven trucks and tractors over mine and routinely run over it with my L5740, but it's concrete and I discussed it with the guy who put it in.

  9. #9
    Platinum Member
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    May 2008
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    998
    Location
    Eastern Ia
    Tractor
    JD 4310 eHydro, JD 322

    Default Re: Does the JD 3320 weigh too much to mow over septic tank and lines

    I mow with a 4310 and a 72" deck. I have used this set up for 7 years and had no trouble. I have two sets of weights on the rear and 4 70 slabs on the front. It will depend on how deep the lines and tank are and the condition they are in. I had the whole system replaced 5 years ago. I had Orangeberg pipe (not sure on the spelling but it looked like tar paper made into pipe) and the code changed requiring a two compartment tank.

  10. #10
    Platinum Member
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    Sep 2004
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    583
    Location
    south/central Va.
    Tractor
    Deutz Fahr Agrofarm 100, Stoll loader, bucket, forks & root grapple

    Default Re: Does the JD 3320 weigh too much to mow over septic tank and lines

    I have to drive across the lines getting to my hay shed. My Deutz Fahr weighs with ballast -12,000lbs and I've sold hay and had 30 ft. trailers loaded with 18,000 lbs. of hay on them. Been driving across this area since 1984. No problems. I don't drive over the tank and only drive across the lines.
    Charolais

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