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  1. #11
    Super Member Iplayfarmer's Avatar
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    Jul 2005
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    Idaho
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    Massey Ferguson 1215, Toro 266-H, Pennsylvania Panzer, Case 444, Craftsman 14/6

    Default Re: Any Homemade Mini Dozers?

    Quote Originally Posted by J_J View Post
    Iplayfarmer,

    Why not make your own tracks. Looks pretty straight forward. Build them using dimension of half air in tires. When built, slide them on and inflate tires to tighten up tracks. You would have to lock your steering if putting on a garden tractor. I have a set for my skidsteer, but have not put them on yet. You can order a complete rubber or steel set of tracks for different skidsteers.
    Any skidsteer tracks I've found are $1000 per pair used. That's out of the price range. The tires idea is my first choice. My plan is for an 8 foot long vehicle. The track would have to be over 18 feet long. That's a tire with a 6 foot diameter. Any tires I've found that big are so wide that they would overwhelm the rest of the plan. I may need to use a few tires per side and connect them with piano hinges or something. I'd still like to have something with a more positive engagement than rubber on rubber, though.

    Here's a link to another ZTR pump from Surplus Center. It's the one I was originally thinking of, but I couldn't find it the other day. It's a lot cheaper.
    From now on I will only buy cars that are a silver/grey color. Then I can make all body repairs with Duct Tape.

  2. #12
    Gold Member
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    Apr 2004
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    408

    Default Re: Any Homemade Mini Dozers?

    have you though about a halftrack?

    lot of the advantages, with much simpler gear train and stearing.

  3. #13
    J_J
    J_J is offline
    Super Star Member J_J's Avatar
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    Sep 2003
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    15,792
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    JACKSONVILLE, FL
    Tractor
    Power-Trac 1445, KUBOTA B-9200HST

    Default Re: Any Homemade Mini Dozers?

    Quote Originally Posted by Iplayfarmer View Post
    Any skidsteer tracks I've found are $1000 per pair used. That's out of the price range. The tires idea is my first choice. My plan is for an 8 foot long vehicle. The track would have to be over 18 feet long. That's a tire with a 6 foot diameter. Any tires I've found that big are so wide that they would overwhelm the rest of the plan. I may need to use a few tires per side and connect them with piano hinges or something. I'd still like to have something with a more positive engagement than rubber on rubber, though.

    Here's a link to another ZTR pump from Surplus Center. It's the one I was originally thinking of, but I couldn't find it the other day. It's a lot cheaper.
    You could have a wide long track with 4 or 6 wheels, with one wheel as the drive wheel.

    That pump above is not very powerful, it will only develop 98 in lbs of torque. that is using .43 cu in, and 1425 psi, and it will take about 6 HP to drive it. However, you could have a pump and motor for each wheel, but they would have to be synchronized somehow.
    J.J.

    When I works, I works hard. When I sits and thinks, I goes to sleep.

    Git er done.

  4. #14
    Super Member Iplayfarmer's Avatar
    Join Date
    Jul 2005
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    Idaho
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    Massey Ferguson 1215, Toro 266-H, Pennsylvania Panzer, Case 444, Craftsman 14/6

    Default Re: Any Homemade Mini Dozers?

    Quote Originally Posted by J_J View Post
    That pump above is not very powerful, it will only develop 98 in lbs of torque. that is using .43 cu in, and 1425 psi, and it will take about 6 HP to drive it. However, you could have a pump and motor for each wheel, but they would have to be synchronized somehow.
    I should have known there was a reason it was so cheap.
    From now on I will only buy cars that are a silver/grey color. Then I can make all body repairs with Duct Tape.

  5. #15
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    Mar 2009
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    Default Re: Any Homemade Mini Dozers?

    [QUOTE=Iplayfarmer;1612857]Any skidsteer tracks I've found are $1000 per pair used. That's out of the price range. The tires idea is my first choice. My plan is for an 8 foot long vehicle. The track would have to be over 18 feet long. That's a tire with a 6 foot diameter. Any tires I've found that big are so wide that they would overwhelm the rest of the plan. I may need to use a few tires per side and connect them with piano hinges or something. I'd still like to have something with a more positive engagement than rubber on rubber, though.

    WIth all due respect an 8 foot long vehicle is not really a Mini Dozer!
    these links may be helpful

    snowmobile tracks on jeep - Pirate4x4.Com Bulletin Board

    If you buy these plans can I have a look ?
    Keep It Simple Off Road Tracked Vehicle

    This is what I would call a small Dozer
    Crawler Project

    And here is a Mini Dozer
    Machine Builders Network

    Regards Whitworthsocket

  6. #16
    Veteran Member
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    Mar 2008
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    1,499
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    Maine
    Tractor
    Deere 3520 Cab, Deere F935

    Default Re: Any Homemade Mini Dozers?

    IMO, it might be cheapest to go out and find a donor vehicle of some sort which has a majority of the expensive components in working order...
    Example..I've seen some Mini-Excavators with a boom bent like a Pretzel sell at auction for 1,500-3,000 bucks....Right there would get you the Motor, Drives, Tracks, etc...Decide exactly what you want to build...or at least a rough idea, and then you'll have a better idea of what kind of donor vehicle to look for.... Not too long ago I saw a CAT Tracked Skid Steer which was pretty much totalled from the tracks up as if it were dropped on its roof or something fell on it, sell for cheap as well....

  7. #17
    Super Member Iplayfarmer's Avatar
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    Jul 2005
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    Location
    Idaho
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    Massey Ferguson 1215, Toro 266-H, Pennsylvania Panzer, Case 444, Craftsman 14/6

    Default Re: Any Homemade Mini Dozers?

    Quote Originally Posted by whitworthsocket View Post
    ...WIth all due respect an 8 foot long vehicle is not really a Mini Dozer!...

    Regards Whitworthsocket
    Absolutely correct. I've mentioned it on another post somewhere, but what I'm planning is just a toy. It's a tank. My kids are 2, 5, and 7; and I've told the two oldest that when they are old enough to help me, we'll all build a 2/5 scale military tank. My 7-year-old daughter comes out with me to practice her welding skills whenever she can. She's surprisingly good with the old beater AC stick welder that I have. I'll have her weld whenever I'm doing something that's not structurally important.

    I only mentioned it here because most of my design inspiration has come from mini dozer projects like those you linked to.
    From now on I will only buy cars that are a silver/grey color. Then I can make all body repairs with Duct Tape.

  8. #18
    Banned shvl73's Avatar
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    Nov 2003
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    2,552
    Location
    NH
    Tractor
    Mahindra 2810HST

    Default Re: Any Homemade Mini Dozers?

    Have you looked at 6 wheel atv's, like a Max? They take a rubber track, like a snow machine track, have a real durable transmission.

  9. #19
    Elite Member RobJ's Avatar
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    Jul 2005
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    Spring, TX (Houston)
    Tractor
    Kubota L2500

    Default Re: Any Homemade Mini Dozers?

    I think the big question is how mini is mini. To mini and it won't be worth it. Just use a FEL or a BB. I know, something sweet about a crawler. But I think it would be easier and better to start with something close, but that needs a lot of work and can be had cheap.

    I saw a Komatsu D20a in the back of a 16' tandom trailer. I don't think the tracks were 4.5-5' wide. Small enough to easily move around, heavy enough to do some real work.



    Or something like this Davis to get you started. Simple belts, gas motor, some hydraulics.

    L2500

  10. #20
    Elite Member
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    Jul 2007
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    3,237

    Default Re: Any Homemade Mini Dozers?

    Did you notice in the Mini Dozer link that several guys asked for details on how to build one like it? I didn't see an answer.

    Years ago, it seemed to me that Struck had a simple belt drive dozer, and then they switched to a larger, more complex, and more expensive machine.

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