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  1. #31
    Silver Member
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    Sep 2010
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    Michigan
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    Landini 85F Deere 5425 Ford 1920

    Default Re: Using DR PTO trimmer on Cat 2 Tractor?

    Looking forward to the review.

    What are you mounting the thing on?

  2. #32
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    Jun 2013
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    Pennsylvania
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    TYM 550

    Default Re: Using DR PTO trimmer on Cat 2 Tractor?

    Quote Originally Posted by TomSeller View Post
    Thank you, I am looking forward to hearing how it works in the real world with grass that can be as tall as the fence and thick. Right now I have it on my "wish list subject to more information"
    With this trimmer on the way I put off weed-eating my pasture fence, so the grass is quite tall. I'll let you know how it works. The freight company left a message saying it'll come Monday or Tuesday.

  3. #33
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    Jun 2013
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    Pennsylvania
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    TYM 550

    Default Re: Using DR PTO trimmer on Cat 2 Tractor?

    Quote Originally Posted by Dingeryote View Post
    Looking forward to the review.

    What are you mounting the thing on?
    TYM 550.

  4. #34
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    Jun 2013
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    Pennsylvania
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    TYM 550

    Default Re: Using DR PTO trimmer on Cat 2 Tractor?

    It arrived today, but I'm in the middle of other projects so it'll be some days before my initial report. As you can see it comes in a big box on a pallet. The freight company docs say it's 311 pounds.

    -dr_trimmer_box-jpg
    Last edited by slimcity9; 07-31-2013 at 09:27 AM. Reason: Trying to add image correctly

  5. #35
    Elite Member TomSeller's Avatar
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    timbuktu
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    Default

    Quote Originally Posted by slimcity9 View Post
    It arrived today, but I'm in the middle of other projects so it'll be some days before my initial report. As you can see it comes in a big box on a pallet. The freight company said it's 300 and some pounds.
    No problem, take your time. Was there a pic you intended to attach?

  6. #36
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    Jun 2013
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    Pennsylvania
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    TYM 550

    Default Re: Using DR PTO trimmer on Cat 2 Tractor?

    Quote Originally Posted by TomSeller View Post
    ... Was there a pic you intended to attach?
    I think I fixed it...

  7. #37
    Member
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    Jun 2013
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    Pennsylvania
    Tractor
    TYM 550

    Default DR PTO trimmer: Generally good first impression

    I assembled the DR trimmer yesterday and plunged right into some challenging conditions. Here's what the open box looks like:

    -box-jpg

    The assembly was pretty simple, with just a few main pieces, including the three-point bracket, wheel, PTO shaft and trimmer body. The latter is the heavy part, but I was able to move it around by hand, though DR recommends having two people. Everything feels pretty solid and sturdy. The first possible (small) negative I encountered is the wheel:

    -wheel-jpg

    It's pneumatic, meaning possible extra maintenance with inflation. I'd have preferred solid, but maybe this will hold air better and longer than some tires I've had.

    Here's one end of the three-point bracket, on which I've installed a ball with Cat 2 adapter bushing:

    -bracket-jpg

    The PTO shaft connects to the gear box in a way I haven't seen before. Instead of a shear pin there is a key that protrudes from a cutout in the gear box shaft. A groove on the PTO shaft connecter slides around the key. A little 4 mm set screw is used to keep them together. I was skeptical of this. I made it as tight as I could with a T-handle wrench, but sure enough, about when I was finishing my test run, the PTO shaft popped off. Fortunately the key stayed in place, otherwise I'd be hard pressed to find it. Next time I will try an L wrench, which may give me more torque. Also, the manual suggests using Loctite if you'll be leaving things connected for longer periods. By the way, the manual is excellent: clear, well written, and with plenty of illustrations.

    After mounting and assembly you should really take the time to adjust your hitch properly. I didn't, so I ended up testing and fiddling for a while until I finally had things about right. There are two modes of operation, which are selected by putting a long bolt in one of two holes. Sorry, don't have a picture of this. In one case the rotation of the trimmer about the tractor's long axis is limited. This is for trimming where the trimming area is in the same plane as the tractor's wheels. The other setting is for ditches and such. This allows for up-and-down rotation. I haven't tried the latter yet.

    I used the blue .175 line, of which three pairs were included. There were also some pairs of the green .155 line. The manual suggest using the smallest line you can for the conditions.

    After the adjustments were made I opted for trial by fire, heading right for my pasture fence, which hasn't been trimmed in over a year. The grass and weeds were two to three feet high. There were also some saplings in there, which I assume contributed to reduced string life. I made it about a quarter mile in each of two runs before the strings disappeared. You're supposed to stop immediately if one string breaks, but I found it hard to detect when this occurred, instead seeing that I was just knocking the grass down rather than cutting it after both strings when AWOL. I did find one string, which appeared to have broken at the trimmer head.

    The biggest problem I had comes from an engineering tradeoff. On the one hand, I appreciated that the swing-arm spring tension wasn't high enough to cause problems with my T-posts during head impact. On the other hand, the lower spring tension means that denser grass and weeds tend to push the arm away from the fence and back behind the tractor. This was even worse at the top of my pasture where gravity was also pushing the trimmer away from the fence. The solution may consist of clearing the other side of the fence so I can trim from the high side, and of course trimming more frequently so the plant growth is less dense.

    Here are a couple pictures of better results on flat ground:

    -result1-jpg

    -result2-jpg

    The wheel axle tends to accumulate grass, which wraps tightly around it:

    -grasscatcher-jpg

    So there you have my first impression of the DR PTO string trimmer. In spite of it's limitations I think it has the potential to reduce the labor in fence line maintenance. It appears to be well made, and it's relatively easy to use.

  8. #38
    Elite Member Ken45101's Avatar
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    Feb 2009
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    southern Ohio
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    Kubota M5040, M9540, B21 TLB, B2710, RTV900, JD 325 Skid steer, KX-121-3 mini excavator

    Default Re: Using DR PTO trimmer on Cat 2 Tractor?

    I don't have the DR trimmer but looking at your pictures, I will comment on one thing: Whether I use a wheeled trimmer or a hand held one, things go a lot better if I first mow along both sides of the fence with the lawn mower (B2710 mmm). That reduces the work for the string trimmer and gives the cut material a place to go rather than forcing the string trimmer to battle it's way through grass it already cut. YMMV

  9. #39
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    Pennsylvania
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    TYM 550

    Default Re: Using DR PTO trimmer on Cat 2 Tractor?

    Quote Originally Posted by Ken45101 View Post
    I don't have the DR trimmer but looking at your pictures, I will comment on one thing: Whether I use a wheeled trimmer or a hand held one, things go a lot better if I first mow along both sides of the fence with the lawn mower (B2710 mmm). That reduces the work for the string trimmer and gives the cut material a place to go rather than forcing the string trimmer to battle it's way through grass it already cut. YMMV
    I usually mow one or both sides before trimming, but in this case I just wanted to try the new trimmer, so include that in the "challenging conditions" I mentioned.

  10. #40
    Veteran Member
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    Jul 2003
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    SW Indiana
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    Ford 1920 4x4 (traded in on Kubota). Case 480F TLB w/4 in 1 bucket, 4x4. Gehl CTL60 tracked loader, Kubota L4330 GST

    Default Re: Using DR PTO trimmer on Cat 2 Tractor?

    Interesting thread.

    Does part of the setup include tilting the cutting head down toward the front, like a bush hog, so that only the leading edge of the cutter contacts the grass?

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