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Author Topic: What are the significant change years to the LT40 Line of Woodmizers?  (Read 414 times)

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Offline MikeySP

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Hello.

I am looking at a 93 Woodmizer LT40HD and trying to figure out when significant changes occurred in the model line-up. From what I am reading, modifying an older mill to newer specs is not so simple and trading it in is a common recommendation.

So when and what were the significant change years or the LT40 lineup and what were the changes?

Thanks. -Mike




Offline Southside

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Re: What are the significant change years to the LT40 Line of Woodmizers?
« Reply #1 on: January 27, 2019, 09:19:40 AM »
Sometimes it's not just the dates, but the particular revision.  Best thing to do would be to get the serial number, and revision, it will be something like A.01 or B.03, etc and call the folks at Wood-Mizer in Indy, they will tell you everything they know about the history of that specific mill, along with what you can or can't do to it as far as stock upgrades. 
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Offline Magicman

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    • Knothole Sawmill
Re: What are the significant change years to the LT40 Line of Woodmizers?
« Reply #2 on: January 27, 2019, 09:22:37 AM »
My understanding is that there were significant changes made in late 1997.  I know that my 1998 model is vastly different from the same 1997 model.  I can not speak to earlier or later changes.

Ditto the revisions that SL spoke about.
Knothole Sawmill, LLC     '98 Wood-Mizer LT40SuperHydraulic   WM Million BF Club Member   WM Pro Sawyer Network

Never allow your "need" to make money to exceed your "desire" to provide quality service.....The Magicman

Offline barbender

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Re: What are the significant change years to the LT40 Line of Woodmizers?
« Reply #3 on: January 27, 2019, 09:38:05 AM »
Mine is a 97 model, must've been a late one as it's nearly identical to Magic's '98.
Too many irons in the fire

Offline MikeySP

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Re: What are the significant change years to the LT40 Line of Woodmizers?
« Reply #4 on: January 27, 2019, 10:32:14 AM »
I did get the serial number from the seller and plan to call tomorrow morning. Do I need to call him back and ask for a revision number? I would think that the serial number will take the folks at HQ to all details including revision. 

Is there a thread that shows "intelligent" mods that have been "hommade"? One such mod that comes to mind, is the spring that one gentleman put on an older LT to improve raising speed and easing the load on the motor. 


Offline 47sawdust

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Re: What are the significant change years to the LT40 Line of Woodmizers?
« Reply #5 on: January 27, 2019, 01:25:33 PM »
Yes 1997 was a big change year.Get it from the horses mouth and call WM parts for a detailed explanation.When I was looking for mine that year was a determining factor if I wanted to add on.Mine was a standard mill and I have added significant up grades to it with ease and lots of money.
Mick
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Offline uler3161

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Re: What are the significant change years to the LT40 Line of Woodmizers?
« Reply #6 on: January 27, 2019, 05:54:18 PM »
I believe there were other somewhat large changes a few years prior to 1997, but not sure when. My mill is a 1989 model, and from photos I've seen of other mills, I think shortly after this were some changes.

1. At some point, I believe cut height was increased. I think to 36". My 1989 is only 30".
2. The height (and I think feed) systems were changed to hide some of the pulleys. I remember something about a lawsuit due to a kid getting hurt, but I don't know if that was the main reason for this. Unfortunately, it was really a step backwards because being able to rotate the height pulley by hand for fine adjustment is important. The neighbor had bought a newer mill and was complaining a lot about not being able to "hit his mark".
3. I believe at some point they reversed the way the height gauge works. I know I've seen photos of the gauge decreasing in value the higher up the mast you look. On mine, it increases in value. I think that change was to keep the height gauge marker at a fixed point, whereas mine moves. That change is a good idea since cutting large logs on my mill requires you to either be tall enough to view the mark, or you need to climb up on the mill to see it. Would be nice to not have to do that.
1989 LT40HD, 12ft extension, WoodMaster 718, Fordson Major Diesel, Champ CB40 Forklift

Dan


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