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  1. #1
    Bronze Member
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    Mar 2004
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    Western Kentucky
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    Kubota

    Default John Deere 325

    I just bought a JD 325 2001 model with 306 hours on it for $2200 and looks almost new. It has liquid for weight in the back tires. My yard is two acres, but not very steep, do I need the extra weight? I figure the extra weight will shorten the life of the machine. Also I believe taking the weight out will give it more power (18 hp twin). I have changed the engine oil and checked it all over and next changing the transmission oil and filter. I put Castro 30W and a Super-tech 4967 oil filter on it. I will be doing nothing but mowing with the mower. So far it seems to beat the heck out of the old Murray I have, but no grass to mow yet.

  2. #2
    Veteran Member K7LN's Avatar
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    1,545
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    Michigan
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    JD455 & JD790

    Default Re: John Deere 325

    No, you probably don't need the extra weight, but that might depend on what you call "not very steep" and how much wet grass you have to deal with. Extra weight is usually desired for snow removal, loader work and other ground engaging work. For all practical purposes, the extra weight won't hurt anything. Since it's in the tires, the weight isn't being supported by the tractor axles. As to power, you won't be mowing at full speed, so the weight won't hurt you there. I'd be inclined to leave it in the tires. The only negatives might be if it makes marks in the lawn or if the liquid is corrosive. On another point, I noticed you used 30 weight oil. I'd be inclined to use a multiweight oil. Any special reason for using a straight weight?
    JD 790 w/70 FEL & 7 BH on turf tires
    JD 455 w/60" MMM & 54" front blade

  3. #3
    Bronze Member
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    Kubota

    Default Re: John Deere 325

    I have always used 30W in all the small engines I have ever owned and have never had any trouble engine block compression oil usage wise. Also I noticed on the lid to the box on the mower that this was acceptable if you were operating above 32 degrees, so that was the reason.

  4. #4
    Bronze Member
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    Default Re: John Deere 325

    The main reason I was asking about the extra weight was it seems the mower is not eat up with power climbing hills and when the mower is engaged. The motor seems fine, but 18 HP is not much. I have a JD 5210 and I added weights to the wheels and the extra weight did seems to cut down on power.

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

    Default Re: John Deere 325

    There is alot of weight on the front end of that mower with relatively small tires and 2wd. I would guess the previous owner had the tires filled for a reason, I would use as is first before draining and see how it does with mowing.

    I would also suggest installing a new air filter, lots of times these may appear to be okay but very fine particulate can restrict the air flow through it. May or may not help but atleast you will know what you have. See if this helps with your power issue.

  6. #6
    Veteran Member GreenRules's Avatar
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    Apr 2002
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    Casco, Maine
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    New Holland t5040 Kubota L275JD 4110, 110. , 325, GT 225, 214, 112

    Default Re: John Deere 325

    The rear end on the 325 is made tough enough to handle the weight. 18HP is plenty for this machine. Everyone gets hyped up on 20+ HP LAWN tractors, but truth be told, that power never gets to the ground on most as the trans are the weakest link. Unles you have a 54" deck and mow wet, heavy grass, you won't have any worries.

    SAE 30 probably won't hurt it, but I always run what the manual recommends.

  7. #7
    Bronze Member
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    Default Re: John Deere 325

    After reading the threads so far I may just drain the 30w out and put 10w-30 Castro oil in it as easy as it is to do. Also I may try the extra weight for a while. Is Castro oil a good oil to use as I have used it for years in all my vehicles with no problems (a couple have over 300000 miles) Would 10w-30 or 10w-40 be best as where I live it doesn't get super cold. (Virginia) I live about a two hour drive from a JD dealer and that is to far to drive unless I have to. I am having a hard time finding the J20D rear end oil and may have to make a trip to the dealer to get. Thanks for the help.

  8. #8
    Veteran Member K7LN's Avatar
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    Default Re: John Deere 325

    Quote Originally Posted by jltrent View Post
    After reading the threads so far I may just drain the 30w out and put 10w-30 Castro oil in it as easy as it is to do.
    The summer mowing season is coming up and the 30 wt oil is fine for the season. I'd leave it in until you make your next oil change. 10W-30 would be good, and so would 10W-40 but it's getting harder to find. You might even consider 15W-40, but the 10W-30 is usually OK to about 105*. Castrol is an OK oil.
    JD 790 w/70 FEL & 7 BH on turf tires
    JD 455 w/60" MMM & 54" front blade

  9. #9
    Gold Member fgross335_2210's Avatar
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    Jul 2003
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    West Michigan
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    2210, 355D, 1950 Model B

    Red face Re: John Deere 325

    Regarding the J20D oil, I switched both my 355 and 2210 trannies/hydraulics over to the AMSOIL Synthetic Tractor Hydraulic/Transmission Oil "ATH". It meets both the J20C & J20D specs. Been running the 2210 this way for 8 years and the 355 for 4 years with no problems. I just order it online and it magically shows up at my door 2-3 days later.
    Fred G
    2210/FEL/62C, 355D/54C

  10. #10
    Silver Member
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    Jan 2008
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    Location
    Mount Pleasant, Texas
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    Kubota L3830, Kubota RTV 900, John Deere 345, 1950 Avery R/Minneapolis-Moline BF

    Default Re: John Deere 325

    Quote Originally Posted by jltrent View Post
    I have always used 30W in all the small engines I have ever owned and have never had any trouble engine block compression oil usage wise. Also I noticed on the lid to the box on the mower that this was acceptable if you were operating above 32 degrees, so that was the reason.
    I own a JD 345 which is about the same as your 325 except the 345 has a 20HP Kawasaki liquid cooled engine. I too run Castrol 30W oil in it and have been for all the years I've owned it since I bought it new in '99. I also use 30W oil in all my small air cooled engines. I live in northeast TX and use the 345 with a 54" mower only to mow about an acre of grass in the hot summer months and has between 500 and 600 hours on the clock. I maintain about 10 acres around our house, but the rest of the mowing is done with my kubota tractor and a finish mower.

    Bill
    '06 Kubota L3830
    '06 Kubota RTV 900
    '12 JD EZ-Trak 655 w/54" HC Mower
    '99 JD 345 w/54" Mower
    '50 BF Avery R/MM BF

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