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  1. #1
    New Member
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    Feb 2010
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    8
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    MA

    Default pt-425: big 1430 tires vs. standard turf tires

    Hi PT guys,

    I've been looking at the power trac's for a few months now and am in the process of trying to get financing to purchase one for my small landscaping company. I appreciate all the good information and experiences that has been posted here. My main concern is being able to work on delicate lawns without damage. Based on JD-Beach's previous posts the larger 1430 tires reduce ground pressure from 5.something to 3.something which is a huge deal to me. The only concern I have is that my experience with commercial mowers tells me that the wider the tire the more twisting damage can occur when you take sharp turns. Has anyone had experience with this and what would you recommend for the least possible damage to finished lawns?

    Thanks,
    Dave

  2. #2
    Epic Contributor MossRoad's Avatar
    Join Date
    Aug 2001
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    30,540
    Location
    South Bend, Indiana (near)
    Tractor
    Power Trac PT425 2001 Model Year

    Default Re: pt-425: big 1430 tires vs. standard turf tires

    Welcome to TBN!

    I have a 2001 model year PT425 with turf tires. It is very gentle on the lawn. When you turn the steering wheel, the tires roll. They do not slide or twist at all. There are some videos on my website that show the tractor in operation across a lawn. Click on my tractor in my signature below and that will take you to my website. On the left is a link to my videos page. Click on that. There are all kinds of videos that show the PT in action, which shows how the tires roll. In particular there are 5 videos at the bottom pertaining to lawn mowing.

    As I said, the tractor won't damage your lawn. However, the Power Trac mower deck wheels will damage your lawn. The front wheels of the mower deck caster and will not cause damage. The rear fixed wheel, however, will slide side-to-side due to the articulation of the tractor. This can be minimized several ways... by never articulating the tractor when you are stopped, by making wide sweeping turns, or by lifting the mower deck in tight turn situations. If they would put casters on the rear of the deck, this problem would be solved, I think.
    MossRoad

    Click On My Little Tractor
    To See Pictures And Videos
    Of It In Action!!!


  3. #3
    Veteran Member SpringHollow's Avatar
    Join Date
    Dec 2006
    Posts
    2,019
    Location
    South of Rochester, NY
    Tractor
    Power Trac 1850, NH 2120

    Default Re: pt-425: big 1430 tires vs. standard turf tires

    If you are not moving forward or reverse, turning like when swinging the stump grinder or minihoe can be tough on the grass. But if you are moving, it does not damage the grass.

    Ken
    PT1850, mini hoe, grapple, stump grinder, brush hog

    http://www.usadiscountgenerators.com...T1850Home.html

  4. #4
    New Member
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    Feb 2010
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    MA

    Default Re: pt-425: big 1430 tires vs. standard turf tires

    thanks for the quick responses and for the welcome MossRoad , as a followup question, do any of you notice slight ruts in the lawn if you drive a bucket full of heavy material across the lawn? Something where it would pay off to have the weight spread over a wider tire?

  5. #5
    Silver Member
    Join Date
    Feb 2007
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    213
    Location
    New England

    Default Re: pt-425: big 1430 tires vs. standard turf tires

    The fixed plastic rear mower wheels have always been a pain in the @#$.
    I modified my mower deck and installed a Caroni caster wheel kit....to eliminate the problem of the OEM wheels dragging. After a while I downsized the Caroni caster wheels to a solid wheel to gain more clearance in front of the PT Bar tires.
    Last edited by Rivco; 02-10-2010 at 07:18 AM.

  6. #6
    Epic Contributor MossRoad's Avatar
    Join Date
    Aug 2001
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    30,540
    Location
    South Bend, Indiana (near)
    Tractor
    Power Trac PT425 2001 Model Year

    Default Re: pt-425: big 1430 tires vs. standard turf tires

    Quote Originally Posted by Roswelloperations View Post
    thanks for the quick responses and for the welcome MossRoad , as a followup question, do any of you notice slight ruts in the lawn if you drive a bucket full of heavy material across the lawn? Something where it would pay off to have the weight spread over a wider tire?
    One pass. No.
    Two passes. You can see where you went.
    Three passes and the grass will pop back up after watering.
    Multiple passes makes for a more pronounced path.
    I find if I take a slightly different path with each pass the lawn will be no worse for the wear.

    Of course, it also depends on the soil type, moisture, planted cover, etc...
    MossRoad

    Click On My Little Tractor
    To See Pictures And Videos
    Of It In Action!!!


  7. #7
    Gold Member smartguyz's Avatar
    Join Date
    Mar 2003
    Posts
    460
    Location
    Beaverton, Oregon
    Tractor
    JD318, Power-Trac PT425 with scuffed-up green paint.

    Default Re: pt-425: big 1430 tires vs. standard turf tires

    Quote Originally Posted by Roswelloperations View Post
    thanks for the quick responses and for the welcome MossRoad , as a followup question, do any of you notice slight ruts in the lawn if you drive a bucket full of heavy material across the lawn? Something where it would pay off to have the weight spread over a wider tire?
    I agree with Moss on this one.

    That said, I have a fine finished lawn where the only way to get to the flower beds and quite a lot of trees, etc. is across the lawn.

    I had the exact same dilemma - how do I bring mulch and bark chips to the other side without mangling the lawn? A skid-steer would mangle the lawn (don't ask how I know this). Even a large lawn tractor will mangle the lawn (I know, I bought one of those as well).

    I finally broke down and purchased my PT425. I put tractor tires on it because several places I need the extra traction.

    Amazingly, the PT425 is very gentle on the lawn. As Moss said, 3-4 passes is no big deal at all. I ended up doing probably 100 passes to get everything done, and I tried to vary which section of the lawn I went over. I moved 15 units of bark chips over the lawn in 2 weeks. That's like 50-60 yards worth of material!

    After a week of watering, you can't tell I was there.

    It's the best solution I know of at this point in time! (Unless we find a way to put 'tracks' on it, e.g. Welcome to MATTRACKS rubber track conversions systems for 4x4 vehicles) But, that's another thread...

    -Rob
    2003 PT425 with 25 HP Kohler Command Pro engine. Light material bucket, rock bucket, pallet forks, mini hoe, power sweeper, fine cut 48" mower, 48" brush cutter, custom 12v powered 25 gallon liquid sprayer (see avatar). Tow behind brinley hardy spreader, thatching rake, and plug aerator. Running Mobil 10W/40 dino oil for hydro (same as factory fill), Mobil 1 10W/30 for engine. Best accessory: spinning knob on steering wheel.

  8. #8
    Bronze Member
    Join Date
    Dec 2006
    Posts
    99
    Location
    Virginia Beach
    Tractor
    PT 425

    Default Re: pt-425: big 1430 tires vs. standard turf tires

    Hi Dave,
    The big tires are very good for sand work on the beach. They work well on soft lawns as well. However, I think that the stock tires would probably be as good for lawn work. Stock tires would result in a nice price savings too. This machine won't tear up the lawn. Moss is right on the tracking. We move a lot of mulch with no lasting imprints. I keep the big bucket on all the time and fill it to the max.
    Attached Thumbnails Attached Thumbnails pt-425: big 1430 tires vs. standard turf tires-moving-mulch-jpg   pt-425: big 1430 tires vs. standard turf tires-moving-mulch-2-jpg   pt-425: big 1430 tires vs. standard turf tires-beach-jpg  

  9. #9
    New Member
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    Feb 2010
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    8
    Location
    MA

    Default Re: pt-425: big 1430 tires vs. standard turf tires

    Thanks again guys. For the work I do I'm sure you are all right, that functionally and for money reasons the stock tires are the way to go .......as cool as the big tires look

  10. #10
    Silver Member Red Zebra's Avatar
    Join Date
    Apr 2007
    Posts
    159
    Location
    Fox Meadow TN
    Tractor
    '07 PT 425

    Default Re: pt-425: big 1430 tires vs. standard turf tires

    Quote Originally Posted by Rivco View Post
    The fixed plastic rear mower wheels have always been a pain in the @#$.
    I modified my mower deck and installed a Caroni caster wheel kit....to eliminate the problem of the OEM wheels dragging. After a while I downsized the Caroni caster wheels to a solid wheel to gain more clearance in front of the PT Bar tires.
    I got tired of the solid wheel hanging up on the bar tire so I moved the deck out approx 3". There are "extra" holes on the deck where the brackets attached. Unbolted the 4 bolts, rolled the deck forward a few inches and bolted it back up. Perfect fit! Now the deck solid wheels and the bar treads don't touch when the deck articulates through it's range of motion.

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