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Crawlers, Dozers, Loaders & Backhoes Discussion Forum

LGP's for a Tracked loader??

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Sean

05-20-2004 07:16:53




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I've been using an IH TD9B Drott loader (150 loader) on my wooded property for awhile now with good success overall. But the soils in my area tend to be very soft, silty, clay-like material. I've gotten it hung up on two or three occasions in low lying areas, and although I eventually crawled out of the mudholes, I also have problems when it rains in the higher areas. It leaves big rutty trackmarks in the soft clay, and when I try to doze them flat I just leave more ruts. Then it rains and fills the damn ruts up with water, and the water never drains off because it's sitting in clay.

I've been looking at the equipment that's commonly used by professional contractors in my area, and it seems they always have a tracked loader like mine (except a lot newer) along with a medium size dozer with LGP's. I know those LGP's can get around good in the mud, and it makes me wish I had one. But it brings to mind a few questions that maybe some of you experts can help me with:

1. Can LGP's be retrofitted to a "stock" undercarriage like mine?

2. Is it advisable to install LGP's on a loader at all? (I've never seen one before...is there a reason for that?)

3. Why don't you see loaders with more aggressive, dozer-like cleats on their track pads?

4. Are there any small-medium sized loaders that are good in the mud? If so, what are they?

Thanks in advance for the help...

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JimInOz

05-20-2004 23:02:55




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 Re: LGP's for a Tracked loader?? in reply to Sean, 05-20-2004 07:16:53  
I've seen small Mitsubishi/Komatsu loaders with LGP tracks.They're made at the factory for that application..it would be a big ask to convert your frame/tracks to suit.
The disadvantage that a loader has in soft ground is the constant transfer of heavy weight(front to rear), as the bucket or ripper are utilised.The track plates must have some slip to allow effective & stress-free turning.
If possible,avoid working the wet areas until they dry(or drain the area).Any machine,even a swampy will cut the gound up if it's wet.
A lotta guys got into excavators so they could keep working thru Winter/wet weather.....the beauty of the excavator is that it doesn't need to constantly move over the place it's digging in,therefore it's not bringing even more moisture to the surface as it works.
My little Mitsubishi dozer just about walks on water,so it would handle the wet ground no problems...but it won't move a lot of dirt in a day.Cleans up after itself very nicely too.

There's many ways to tackle the problem...depends on the $$$you can spend & the urgency to complete the work.Good luck!

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Sean

05-22-2004 11:08:43




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 Re: Re: LGP's for a Tracked loader?? in reply to JimInOz, 05-20-2004 23:02:55  
Thanks for the info Jim. I know that loaders are supposed to split the power between the bucket and the tracks. While I'm digging out stumps and prying up on the stump while going forward the machine does labor as the tracks get all that extra traction. I would imagine if it had dozer like grousers it would really strain the machine. Also, like you said the tracks have to be able to maneuver and turn while the loader is carrying a full load of dirt, so I guess big, heavily cleated tracks would put a serious strain on things.

I thought I had seen some of those really neat looking little Komatsu loaders with wider tracks. I think eventually once I get all my heavy clearing/logging/earthwork work done I'll probably sell my 150 and get a smaller, newer Komatsu or Mitsubishi loader with 4-1 and the wider tracks. That would be just about perfect for my situation and I could really use a machine like that for general, ongoing maintenance.

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Deas Plant.

05-22-2004 22:18:41




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 Re: Re: Re: LGP's for a Tracked loader?? in reply to Sean, 05-22-2004 11:08:43  
Hi, Sean. Even some of the Cat track loaders now come out with LGP tracks but you can't retrofit LGP tracks to a lot of track loaders because they don't have the clearance between track and main frames for it.

If you have several inches clearance between your existing track shoes and the closest part of the rest of the loader, you could go to wider shoes. Bear in mind that every inch of clearance you have on the inside (minus 1" or 2" for 'running' room between track and machine) means that you can add a 2" wider shoe 'cos there is another 1" on the outside to balance it up.

Bucket width is the other limiting factor as it is not a good idea to have your track shoes protruding beyond your bucket width.

You CAN fit dozer type track shoes to a track loader and they are quite common on some logging operations. Believe it or not, they actually turn better because the track doing the driving during the turn slips less. They will also climb in places where normal track loader shoes won't even think about it. However, they do chew up the ground a little more and are not recommended for applications where there is a lot of short turning in one area such as loading trucks.

It is worth bearing in mind that, except for exceptional circumstances such as extracting another bogged machine - which also probably shouldn't have been there in the first place - or to drain a wet area, if it is too wet to clean the area up properly, it is too wet to do the job in the first place.

Hope this helps.

You have a wonderful day. Best wishes. Deas Plant.

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Sean

05-23-2004 09:36:04




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 Re: Re: Re: Re: LGP's for a Tracked loader?? in reply to Deas Plant., 05-22-2004 22:18:41  
Thanks Deas, and good to see you again. Hmm, that makes sense that the loader would turn more quickly/effectively. Now that I think about it, when I'm doing a pivot turn the non-turning track tends to skid around quite a bit in an "orbit" during the turn. If it had better traction and stayed put more, the loader would turn tighter.

There isn't much clearance between the frame and the inner part of the track, so I guess LGP's are out. But I thought I had seen some tracked hoes that had wide shoes that protruded out only on the outside, and retained the same clearance between the inner part of the shoe and the frame. Do grouser shoes always vary in width evenly on both sides? I mean is it possible to get a grouser that will extend more to the outside than it does on the inside?

And I agree with you completely, if its wet out or muddy....the job will just have to wait. If it's muddy, what a HASSLE.

Thanks again, Sean

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Deas Plant.

05-24-2004 03:36:46




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 Re: Re: Re: Re: Re: LGP's for a Tracked loader?? in reply to Sean, 05-23-2004 09:36:04  
Hi, Sean. I don't know about the smaller machines and track loaders but Cat did make offset shoes for D8's and D9's for pushloading scrapers. These were set with the wider side inward to allow the dozer to sit better in the scrapers cut. In normal usage, I'd reckon it would wear the pins and bushes a bit quicker due to the unbalanced load, but it seemed to work on that application.

Use your dry days wisely.

You have a wonderful day. Best wishes. Deas Plant.

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george md

05-23-2004 18:18:41




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 Re: Re: Re: Re: Re: LGP's for a Tracked loader?? in reply to Sean, 05-23-2004 09:36:04  
Sean, Deas is right , if it is that wet let it

dry a while . Cheer up eventually the sun

will shine.

george



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