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  1. #1
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    Jun 2007
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    Default Tractor 3PL log handler???

    Has anyone made/got a 3PL log lifter/ handler for snigging large logs? If so I would appreciate some pics/ideas. I can start from scratch but if someone else has already gone through the ordeal I would love to hear from them. I'm thinking of a heavy channel (PFC) frame attached to the 3PL with a chain attachment across the top of it. I would reverse over the log, attach the chain and then lift the nose of the log using the hydraulics.

    I was also thinking of lifting the tail end of the log onto a pair of wheels so as to avoid damaging the ground too much while snigging. However I can see that the wheels need to be "steerable" otherwise the rear end of the log will take of on it's own path. Ideas???

    Thanks.
    Bill.

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  3. #2
    Join Date
    Jan 2013
    Location
    the sawdust factory, FNQ
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    Default

    Two things to look at courtesy of the internet:

    Tractor Arches T30 and T36 - LogRite Tools LLC

    and

    farmi logging winch

    I've often considered building a logrite style arch to hook behind the little loader rather then taking a skidder on site in open country.

  4. #3
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    Default

    [QUOTE=John.G;1678286]Two things to look at courtesy of the internet:

    Tractor Arches T30 and T36 - LogRite Tools LLC

    John,
    Thanks very much. The "Logrite" arch looks like it would do the job either by itself, or lift the front of the log using the 3PL and have the smaller tail end arch to carry the back of the log. I see that they align the wheels with the log by using a long arm chained to the log. That will stop the tail end from running sideways.

    I've got a few old truck rear axle housings around so it would not be difficult to cut the middle diff section out and weld the end sections to an arch. Can't see that it has to be curved as per logrite.....could be mitre jointed 152 x 75 RHS which I also have on hand.

    Anyone out there actually used one of these arches? Drawbacks? Tips?

    Thanks.

  5. #4
    Join Date
    Apr 2006
    Location
    Brookfield, Brisbane
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    5,800

    Default

    we use 2 things for tractor snigging round here.

    a SNIGGING FRAME, witch consists of a square frame that mounts to the 3pl it has a blade on the bottom the width of the tyres so you can drop it to back threw scrub or push a log backwards, at the top it has loops to hook your snotters or chains to. we can pull 3 6m x 400 diam spottys with this on our 50hp tractor
    dub (16).jpgdub (6).jpg

    the other is a BOBTAIL we mainly use this behind the dozers it can handle a much larger log and will lift teh end without putting weight down on the tractor, it is like a trailer similar to a loging arch but more easy to make yourself and more versatile. ill try and get some pictures today for you.

    www.carlweiss.com.au
    Mobile Sawmilling & Logging Service
    8" & 10" Lucas Mills, bobcat, 4wd tractor, 12 ton dozer, stihl saws.

  6. #5
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    Dundowran Beach
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    Thumbs up

    I think as kids we referred to these as jinkers.

  7. #6
    Join Date
    Apr 2006
    Location
    Brookfield, Brisbane
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    a jinker is a log trailer that is just a set of axles with staunchons attached and a center shaft to truck, no body or chassis as such

    www.carlweiss.com.au
    Mobile Sawmilling & Logging Service
    8" & 10" Lucas Mills, bobcat, 4wd tractor, 12 ton dozer, stihl saws.

  8. #7
    Join Date
    Apr 2006
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    Brookfield, Brisbane
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    Default

    like this the logs form the chassis and keep the trailer in tow.


    www.carlweiss.com.au
    Mobile Sawmilling & Logging Service
    8" & 10" Lucas Mills, bobcat, 4wd tractor, 12 ton dozer, stihl saws.

  9. #8
    Join Date
    Jan 2013
    Location
    the sawdust factory, FNQ
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    Default

    If I was going to build an arch style turnout I'd be thinking tandem axles and spread them as wide apart (width) as possible, and let the tail drag in the dirt a little. It's about slope stability and being able to ride rather then bounce over rocks/ stumps/ bits of branch etc.
    Like Carl, I've played with bobtails. We used to call ours "Le Turnover" for a reason.

  10. #9
    Join Date
    Jun 2007
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    Kyogle
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    Default

    Weisy & John,
    Thanks for your input to date.
    I have a dozer and a 70 hp tractor but I am not keen on simply "snigging" the logs because of the damage done to the bush tracks. There are still deep grooves along the old snigging tracks through my paddocks where bullocks used to pull logs out in the 1950's.Thus I would like to lift the whole log off the ground.
    I have an old FEL and 6WD "Acco" truck but by the time I get all this gear over steep country (by myself!!!) say 2 km away a whole day is gone. I'm thinking that with the tractor and some wheeled arrangement it would be quite easy to travel out and back with a single large log in a couple of hours.
    The 3PL lifting frame is easy to make. Also, lifting the tail end of the log onto a set of wheels is no problem. But........how to ensure those 2 rear wheels will track accurately. That is, will they follow the tractor/log or will they take off sideways on their own path?
    I like the idea of the 3PL lifting frame because in an emergency (steep country) the log can easily be dropped.
    Any thoughts/experiences????
    Thanks.

  11. #10
    Join Date
    Apr 2006
    Location
    Brookfield, Brisbane
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    Default

    a set of wheels under the tail end will cause nothing but trouble getting hooked on trees and stumps that a log would normally slide arround.

    by lifting the leading end you will not get any drag marks apart from the leaves being moved by the tail of the log.

    we use the bobtail on steep country that most would not take a machine on, never even looked like rolling, have had it behind wheel tractor, d2 dozer and d6 dozer pulling some massive loads, steel wheels and made from I beam.

    i would really recomend a bobtail type setup as it will make the tractors life much easyer.

    the other option is a hay trailer with satchions that you tow with the FEL. snig the logs to a dump, load them onto trailer and cart them to mill like that. only eny good on tracks that you can easyly negotiate with a trailer but a fast way as you can move twice the amount of logs.

    www.carlweiss.com.au
    Mobile Sawmilling & Logging Service
    8" & 10" Lucas Mills, bobcat, 4wd tractor, 12 ton dozer, stihl saws.

  12. #11
    Join Date
    Nov 2007
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    Dundowran Beach
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    Thumbs up

    Thanks Carl. I must have been an ignorant little tacker!!

    You mention the bobcat. Got a pic. so I can see if it is what i think it is??

  13. #12
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    Apr 2006
    Location
    Brookfield, Brisbane
    Posts
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    BOBTAIL, sketch bellow.

    photo (3).JPG

    log is tied up tight directly under rar of bobtail and as you drive away it lifts the end of the log, once you stop and reverse a few feet log drops back on ground to unhook.

    we have found you can pull twice as much with a bobtail that just a snigging frame.

    www.carlweiss.com.au
    Mobile Sawmilling & Logging Service
    8" & 10" Lucas Mills, bobcat, 4wd tractor, 12 ton dozer, stihl saws.

  14. #13
    Join Date
    Jun 2007
    Location
    Kyogle
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    Default

    Thanks Carl,
    A few more questions for you.....

    1. What is the difference between a "bobtail", a "logging arch" and a "bullwheel"? Could just be one of those funny "State" things....like Flooded Gum vs Rose Gum! Same animal but at the NSW/Qld border it changes name! As I understand it, the bullwheel had 2 big steel wheels and was hauled behind a dozer. An old driver told me they more time on their side than on their wheels.

    2. Why is it that with a bobtail a tractor can move twice the size of log as with a lifting frame? I can see that none of the log weight is on the tractor with a bobtail but the force required to move the log along would still be the same. But, with the extra load on the tractor wheels, traction should be greater?????

    3. Did you have a look at the yankee arrangement (John G's earlier reply) where the whole log was supported by the wheeled arch and a long draw bar went forward to the tractor. Why wouldn't this work ok? Admittedly our timber is a lot heavier than that yankee stuff but I can't see why it would not work.

    Thanks.
    Bill.

  15. #14
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    Nov 2007
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    Dundowran Beach
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    Thumbs up

    Thanks Carl. That's the one I was thinking of.

  16. #15
    Join Date
    Apr 2006
    Location
    Brookfield, Brisbane
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    Default

    1. What is the difference between a "bobtail", a "logging arch" and a "bullwheel"? Could just be one of those funny "State" things....like Flooded Gum vs Rose Gum! Same animal but at the NSW/Qld border it changes name! As I understand it, the bullwheel had 2 big steel wheels and was hauled behind a dozer. An old driver told me they more time on their side than on their wheels.
    we called them Bobtails never heard of a bullwheel, a loggin arch is an american thing i have never seen one in australia except for recently, we have never had trouble with a bobtail rolling, except when the towing tractor rolls first.

    2. Why is it that with a bobtail a tractor can move twice the size of log as with a lifting frame? I can see that none of the log weight is on the tractor with a bobtail but the force required to move the log along would still be the same. But, with the extra load on the tractor wheels, traction should be greater?????
    a bobtail can lift the majority of the log off the ground, if you lift the end of a heavy log with 3PL (providing its even strong engough) and try and drive fowards it will most likely lift the front wheels giving you no steering and no drive on teh front.

    3. Did you have a look at the yankee arrangement (John G's earlier reply) where the whole log was supported by the wheeled arch and a long draw bar went forward to the tractor. Why wouldn't this work ok? Admittedly our timber is a lot heavier than that yankee stuff but I can't see why it would not work.
    1. the arch has to be half the length of the log
    2. monuverability is reduced.
    3. when you turn the end of the log swings out sideways unless your tracks are wide and your logs short youll get stuck
    4. you can only carry 1 log at a time.
    5. you can only transport a log as big as will fit under the arch.

    a bobtail can pull as many logs as you want to hook up, as long as the tree is and any diamiter.

    if i had 2 logs 20m long and 600 diamiter

    on a logging arch - i would have to cut them into +/-4m lengths and take them one at a time making 10 trips
    on a bobtail - i can hook both logs up and make it one trip.

    www.carlweiss.com.au
    Mobile Sawmilling & Logging Service
    8" & 10" Lucas Mills, bobcat, 4wd tractor, 12 ton dozer, stihl saws.

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