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Old 01-30-2012, 07:34 PM   #1 (permalink)
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The Hunter Project: the hydrostatic crawler

This build is just about completed, but i will give you a teaser view.

I picked up a Toro industrial lawn mower from my brothers golf course for $500.00
and a 1980 toyota truck with a blown motor for $250.00 and put the two together.





The mower mounted on the toyota frame for testing.


this last weekend in St George utah at Winter on the Rocks!!

Last edited by ricsrx; 01-30-2012 at 07:35 PM.
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Old 01-30-2012, 10:39 PM   #2 (permalink)
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ummm, freaking awesome, truck actually looks damn cool all bare bones like

keep mowing and videos coming
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Old 01-31-2012, 03:29 AM   #3 (permalink)
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Wha?????
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Old 01-31-2012, 04:13 AM   #4 (permalink)
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my 13 year old son Hunter and I built this truck, so the cab is small and the speed is slow, i will start on the full exo next.
it is perfect for a little dude to play around in.


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Old 01-31-2012, 04:25 AM   #5 (permalink)
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thats really damn cool, except I wouldn't put my kid in there with no cage yet
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Old 01-31-2012, 05:05 AM   #6 (permalink)
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Great idea! Looks to work too. I was also thinking of a similar setup but the hydrostatic as more of a secondary low gear option from a standard drive train setup. Also x2 on a roll cage.
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Old 01-31-2012, 06:29 AM   #7 (permalink)
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Awesome.

Other than being cool, what is the benefit of hydrostatic drive?
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Old 01-31-2012, 06:49 AM   #8 (permalink)
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So how are you controlling the motor rpm v. ratio to the wheels? I'm not familiar with the mower you used but my understanding of a hydrostatic drive is you set the motor to that max efficiency/torque RPM and then you change the pump displacement to vary your output ratio for more speed or torque.

Also how hot does the transmission get while your wheeling it and how fast can you get it going?

This is awesome
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Old 01-31-2012, 07:05 AM   #9 (permalink)
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So when I first looked at this on my phone I was confused and wasn't sure what you were trying to show since the video wouldn't come up right. After further review that is fawesome Looks bad ass dude!
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Old 01-31-2012, 07:26 AM   #10 (permalink)
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Cool rig!
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Old 01-31-2012, 07:39 AM   #11 (permalink)
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That is freakin awesome!
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Old 01-31-2012, 07:41 AM   #12 (permalink)
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LOVE the sectioned fenders on the first gen.
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Old 01-31-2012, 08:32 AM   #13 (permalink)
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Um....... fuck yeah! This is one of the coolest things Ive seen recently. Im not too familiar with the law mower shit so Im interested in hearing more.
Innovation kicks ass
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Old 01-31-2012, 08:40 AM   #14 (permalink)
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That's awesome!! I was tryingto figure out the cab before I lOoked closer. How much did you chop out width wise and height wise. Looks cool as hell
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Old 01-31-2012, 08:41 AM   #15 (permalink)
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Old 01-31-2012, 09:16 AM   #16 (permalink)
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WTF, No mower deck?
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Old 01-31-2012, 01:11 PM   #17 (permalink)
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Quote:
Originally Posted by Unorthodox View Post
So how are you controlling the motor rpm v. ratio to the wheels? I'm not familiar with the mower you used but my understanding of a hydrostatic drive is you set the motor to that max efficiency/torque RPM and then you change the pump displacement to vary your output ratio for more speed or torque.

Also how hot does the transmission get while your wheeling it and how fast can you get it going?

This is awesome
The max RPM on the diesel is set at a certain RPM ( it has no tach). the higher the rpm the more oil flow or PSI, then as you described the hydrostate regulates what goes to the hydro motors, it is easy to stall out the diesel motor when you are climing with the diesel motor at an idle.
there is no temp gauge but the oil filter is luke warm to the touch after running all day!
temp gauges will be installed soon

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Old 01-31-2012, 01:18 PM   #18 (permalink)
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That's awesome!! I was tryingto figure out the cab before I lOoked closer. How much did you chop out width wise and height wise. Looks cool as hell

8'' out of the width
4'' out of the A pillar, as the top came down it moved the back of the cab about 4'' closer to the fire wall.
3'' out of the hight of the fire wall, its needed so he could see over the dash.
the rocker panels were raised 4'' so the floor sits on the bottom of the cab. this was done to help hold his feet in.
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Old 01-31-2012, 02:42 PM   #19 (permalink)
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Badass! Any chance you could get some pics of drivetrain/ motor very interested in how everything is hooked up.
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Old 01-31-2012, 05:09 PM   #20 (permalink)
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More pics and info on this rig!
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Old 01-31-2012, 05:14 PM   #21 (permalink)
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What wheels are those?
Looks like someone has built a hotrod or two. Looks badass.
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Old 01-31-2012, 05:24 PM   #22 (permalink)
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Wow. Awesome!!
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Old 01-31-2012, 06:09 PM   #23 (permalink)
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The mower mounted on the toyota frame for testing.

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Old 01-31-2012, 06:23 PM   #24 (permalink)
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That is awsome We need more pictures and details.
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Old 01-31-2012, 06:52 PM   #25 (permalink)
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this is the info for the test build

I pulled the two main motors from the mowers and made adapters to go to the drive lines,





THIS HAS BEEN THE BEST PART OF THE PROJECT!!!!!!!!



Last edited by ricsrx; 01-31-2012 at 07:00 PM.
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