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 MUT: Murray Utility Tractor

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mistavp05
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Double W Cross Ranch
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TourMax
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Join date : 2018-10-06
Posts : 390

MUT: Murray Utility Tractor - Page 12 Empty
PostSubject: Re: MUT: Murray Utility Tractor   MUT: Murray Utility Tractor - Page 12 Icon_minitimeWed Mar 10, 2021 3:26 pm

@Rustbucket Garage wrote:
An idea if you wanted to retain the louvres would be to cut out some of the nose and put in a piece of your louvres. I won’t tell you how to build your machine though, you are doing a fantastic job either way. MUT: Murray Utility Tractor - Page 12 2731072446

It's an idea, but that area will be filled with the hydraulic reservoir/tank and below it will be the main Hyd cooler. So you'd be able to see through the louvers, but it would be nothing but a big aluminum tank.

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TourMax
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PostSubject: Re: MUT: Murray Utility Tractor   MUT: Murray Utility Tractor - Page 12 Icon_minitimeWed Mar 10, 2021 6:39 pm

JD hood hinges showed up late today so I quickly threw them on before packing it in for the night:

MUT: Murray Utility Tractor - Page 12 C1e9d110

MUT: Murray Utility Tractor - Page 12 71201010

Hinges are from a 318 IIRC.

Hood opens like my Corvette now! Smile

Thats still pretty rough, but with some fettling they’ll be just what I’m looking for. Theres a fourth rod that goes on the rh side, I just haven’t gotten it fit yet. Right now the bolts are just drilled through the hood. Not a big deal as I’ll be welding them in place and then grinding down the heads to flush with the hood skin.

Now I’ll actually be able to check oil levels or add oil without crazy arm twisting, scraping knuckles or needing funnels with long hoses on them. The “car style” opening hood was a neat little Murray feature, but totally impractical for the way the Briggs is designed...unless the only thing you need access to is the air filter that is. Much better having the hood swing up and out/forward. Completely out of the way now.
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TourMax
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MUT: Murray Utility Tractor - Page 12 Empty
PostSubject: Re: MUT: Murray Utility Tractor   MUT: Murray Utility Tractor - Page 12 Icon_minitimeFri Mar 12, 2021 10:56 am

Done playing games now boys:

MUT: Murray Utility Tractor - Page 12 C7448810

That's a Case 220/444/644 transaxle. About as HD as it gets for a garden tractor.

Quick inspection reveals everything is tight and the gears have no nicks, burrs of chipping. Wear pattern is about perfect for straight cut gears.

I'll still gut it and clean it all. there's quite a bit of dirt and rust particles floating around in side it. from What I can tell, it all got inside the transaxle during breakdown (IE: the hyd motor was pulled off the side of the gearbox) of the tractor it was in. There's no damage inside, so that jives with the contamination getting in when they pulled the Hyd motor off. best to pull it down and clean it now, before any damage is done to what seems like a pristine gearbox.
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TourMax
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MUT: Murray Utility Tractor - Page 12 Empty
PostSubject: Re: MUT: Murray Utility Tractor   MUT: Murray Utility Tractor - Page 12 Icon_minitimeSun Mar 14, 2021 4:12 pm

Tractor stripped, starting mock up stage:

MUT: Murray Utility Tractor - Page 12 Fc604c10
Front view

MUT: Murray Utility Tractor - Page 12 552d3210
Steering ram and hydraulic steering sector valve

MUT: Murray Utility Tractor - Page 12 978bff10
Side view

MUT: Murray Utility Tractor - Page 12 6c340b10
Rear view

Looks pretty good! The rest is just bolting things together, some brackets and hydraulic plumbing. Doesn’t sound like much, but probably take me 3-4 months to complete it right down to the loader and 3 point hitch. Not to mention a complete re-wiring job....
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TourMax
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PostSubject: Re: MUT: Murray Utility Tractor   MUT: Murray Utility Tractor - Page 12 Icon_minitimeTue Mar 16, 2021 5:40 pm

got some work done today on the hydraulic layout.

Steering valve and pumps:

MUT: Murray Utility Tractor - Page 12 Fr_47720

Levers:

MUT: Murray Utility Tractor - Page 12 Fr_47813

valves:

MUT: Murray Utility Tractor - Page 12 Fr_47814

TCV will go underneath, same as the way Case installed them in their tractors.

Lots more to do, but it's beginning to take shape.
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TourMax
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PostSubject: Re: MUT: Murray Utility Tractor   MUT: Murray Utility Tractor - Page 12 Icon_minitimeSat Mar 27, 2021 8:02 pm

Transaxle, pumps and hyd steering installed:

MUT: Murray Utility Tractor - Page 12 Ee7bc510

MUT: Murray Utility Tractor - Page 12 9eff4610

MUT: Murray Utility Tractor - Page 12 057f7f10

Coming along nicely.

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CraftsmanQuad19
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PostSubject: Re: MUT: Murray Utility Tractor   MUT: Murray Utility Tractor - Page 12 Icon_minitimeSun Mar 28, 2021 1:05 am

This thing is crazy!
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MightyRaze
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PostSubject: Re: MUT: Murray Utility Tractor   MUT: Murray Utility Tractor - Page 12 Icon_minitimeSun Mar 28, 2021 1:19 am

@CraftsmanQuad19 wrote:
This thing is crazy!

Yeah... crazy cool 😎

_______________________________________________
Modified Tractors:
Li'l Red 89 Murray Widebody
Kal-El 82 Murray GT
TheGreenMachine - "coming 2022"
Have a question? Ask me! Type in "@MightyRaze" in your post!
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TourMax
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PostSubject: Re: MUT: Murray Utility Tractor   MUT: Murray Utility Tractor - Page 12 Icon_minitimeSun Mar 28, 2021 10:26 am

@CraftsmanQuad19 wrote:
This thing is crazy!

Maybe crazy for a lawn mower (or mud mower if you prefer) but this is going to be built into a full GT and carry a front end loader. You need HD everything to do that kind of work.
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TourMax
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PostSubject: Re: MUT: Murray Utility Tractor   MUT: Murray Utility Tractor - Page 12 Icon_minitimeSun Mar 28, 2021 7:30 pm

Its no longer than it used to be, but it sure looks longer with some of the tins in place:

MUT: Murray Utility Tractor - Page 12 728ed010
MUT: Murray Utility Tractor - Page 12 805fca10
MUT: Murray Utility Tractor - Page 12 Ac4aa610


And every nook and cranny is going to be stuffed with pumps, valves, lines, tanks, coolers, fans, electrics and all manner of assorted brick-a-brack needed to run everything.

It’ll probably be in the 750-1000 lb range once done. Getting into serious “heavy metal” status at that point.

Top speed? Right around 7 mph in high gear and hydraulics at full battlecry. Its the limits of the case hydrive, but enough torque to pull a 747....
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TourMax
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PostSubject: Re: MUT: Murray Utility Tractor   MUT: Murray Utility Tractor - Page 12 Icon_minitimeMon Mar 29, 2021 5:10 pm

Entering next stage of mock up.

Travel control valve with integrated holding valve:
MUT: Murray Utility Tractor - Page 12 Faa90210
Controls fwd/rev and speeds, plus holding valve acts like a hyd brake when stopped and prevents “freewheeling” down grades.

Hyd cooler postioning:
MUT: Murray Utility Tractor - Page 12 0a62fc10

Engine back in:
MUT: Murray Utility Tractor - Page 12 E7d0ee10

Instrument cluster:
MUT: Murray Utility Tractor - Page 12 9619e610

Pretty much all the major components are in place. Now its a matter of building tanks, hydraulic lines, linkages, wiring, etc.

Once up and running, it will be time to start building the front end loader. At least a couple more months before I get to that stage though.

Once the loader is built, the whole thing will get blown apart down to the frame again and prepped for final paint. Hopefully done before the snow flies at the end of the year.
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CraftsmanQuad19
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PostSubject: Re: MUT: Murray Utility Tractor   MUT: Murray Utility Tractor - Page 12 Icon_minitimeTue Mar 30, 2021 12:08 am

Is there enough clearance between the hood and the flywheel for the hydraulic cooler to go between? That way the flywheel is constantly pulling cool air through it?
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TourMax
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PostSubject: Re: MUT: Murray Utility Tractor   MUT: Murray Utility Tractor - Page 12 Icon_minitimeTue Mar 30, 2021 6:38 am

@CraftsmanQuad19 wrote:
Is there enough clearance between the hood and the flywheel for the hydraulic cooler to go between? That way the flywheel is constantly pulling cool air through it?

Nope. Not even a full inch when the hood is closed.

Cooler is getting an electric fan. I have several left over from previous motorcycle projects so they’re essentially “free”.
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Rustbucket Garage
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PostSubject: Re: MUT: Murray Utility Tractor   MUT: Murray Utility Tractor - Page 12 Icon_minitimeTue Mar 30, 2021 2:37 pm

This is turning into quite a capable machine! By the time you are done this will be standing toe to toe with the expensive SC tractors. MUT: Murray Utility Tractor - Page 12 2731072446
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TourMax
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PostSubject: Re: MUT: Murray Utility Tractor   MUT: Murray Utility Tractor - Page 12 Icon_minitimeTue Mar 30, 2021 7:45 pm

Setting out the internal layout and needed to put the sheet metal on for positioning and clearancing purposes. Snapped a quick pic:

MUT: Murray Utility Tractor - Page 12 E722e410

Looking pretty good.

Getting pretty tight for real estate inside though:

MUT: Murray Utility Tractor - Page 12 F8225710

All that space in the front is going to be filled with a hydraulic tank/reservoir and ducting for the hyd cooler fan.

Even then, there’s more to go in and its only going to get tighter as more system get crammed in there....
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TourMax
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PostSubject: Re: MUT: Murray Utility Tractor   MUT: Murray Utility Tractor - Page 12 Icon_minitimeTue Mar 30, 2021 9:05 pm

@Rustbucket Garage wrote:
This is turning into quite a capable machine! By the time you are done this will be standing toe to toe with  the expensive SC tractors. MUT: Murray Utility Tractor - Page 12 2731072446

Yup. Thats the idea. SCUT capability, GT size, bargain basement price.

Wink

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TourMax
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PostSubject: Re: MUT: Murray Utility Tractor   MUT: Murray Utility Tractor - Page 12 Icon_minitimeWed Mar 31, 2021 3:56 pm

Prototyping the front end setup.

Inner support structure:

MUT: Murray Utility Tractor - Page 12 96d85710

cooler:

MUT: Murray Utility Tractor - Page 12 3af29910

Prototyping the hyd tank reservoir:

MUT: Murray Utility Tractor - Page 12 5e4d2210

front sheetmetal in place:

MUT: Murray Utility Tractor - Page 12 962fa510

Its pretty tight in there, but it all fits. The electric fan will fit nicely up to the cooler and then its building the shrouding to direct and exit the air.
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TourMax
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PostSubject: Re: MUT: Murray Utility Tractor   MUT: Murray Utility Tractor - Page 12 Icon_minitimeFri Apr 02, 2021 6:50 pm

Feeling slow today, didn’t feel like getting much done so I just messed with the “dash” area:

MUT: Murray Utility Tractor - Page 12 1ade5b10

MUT: Murray Utility Tractor - Page 12 B8f95d10

MUT: Murray Utility Tractor - Page 12 D126c010

finished up the instrument “pod”, filled some holes, took out a few areas (ie: formed areas for previous controls), mounted the choke and throttle levers and popped in the rocker switches.

looks ok to my eye. Plenty good for a garden tractor. A skim of bondo will flatten it all out nicely.
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TourMax
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PostSubject: Re: MUT: Murray Utility Tractor   MUT: Murray Utility Tractor - Page 12 Icon_minitimeSat Apr 03, 2021 6:00 pm

Hydraulic tank coming along:

MUT: Murray Utility Tractor - Page 12 5c7a8e10

Quick look at it in place on the tractor:

MUT: Murray Utility Tractor - Page 12 F005d710

Taking a pause for the duty cycle on my TIG right now. Plus, I’m old and I just wanted to take a break.

Wink

You’ll have to pardon my crap AL welding. I’m not a professional and I haven’t tig’d AL for many months now so I’m waaaaay out of practice.
You’ll have to pardon my crap AL welding. I’m not a professional and I haven’t tig’d AL for many months now so I’m waaaaay out of practice.

It’s solid and water tight, so I can’t ask for much more than that from my skill level. I’d love to be able to lay a “stack of dimes”, but I just don’t do enough of it to get that good at it.

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TourMax
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PostSubject: Re: MUT: Murray Utility Tractor   MUT: Murray Utility Tractor - Page 12 Icon_minitimeSun Apr 04, 2021 6:06 pm

was going to go fancy with some perforated  internal baffles, but decided just forcing the oil to make a couple turns would be enough to slow it down and “de-aerate” it:

MUT: Murray Utility Tractor - Page 12 00b78e10

Then, on goes the filler neck and top:

MUT: Murray Utility Tractor - Page 12 Bed56d10

MUT: Murray Utility Tractor - Page 12 71cd8c10

Not super professional looking welds, but they will hold just fine.

Internal volume calculates out to just a tick under 2.5 US Gallons. Was hoping to get 3 or 4 gallons, but I’m hemmed in by the space I’ve got to work with.

I still have to add the feed and return tubes, as well as some tabs to bolt it down, but the basic tank is now in place.

Next job is to make the rear mount fuel tank.

Smile
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mh434
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PostSubject: Re: MUT: Murray Utility Tractor   MUT: Murray Utility Tractor - Page 12 Icon_minitimeSun Apr 04, 2021 6:13 pm

That has to be the most advanced, comprehensive, tricked-out lawn tractor on earth!!! Wow! Some nice fabrication there, TourMax!
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PostSubject: Re: MUT: Murray Utility Tractor   MUT: Murray Utility Tractor - Page 12 Icon_minitimeSun Apr 04, 2021 6:31 pm

As usual at the end of the day, hung the sheet metal to make sure it all still fits and get a feel for how it looks:

MUT: Murray Utility Tractor - Page 12 722e1210

MUT: Murray Utility Tractor - Page 12 F3accc10

MUT: Murray Utility Tractor - Page 12 337bef10

Looks pretty good! Really starting to look like a fairly serious machine.

Good place to stop for the day.

Time for a wobbly pop on the back deck and make it an early night with the missus.

Smile


Last edited by TourMax on Sun Apr 04, 2021 6:44 pm; edited 1 time in total

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TourMax
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PostSubject: Re: MUT: Murray Utility Tractor   MUT: Murray Utility Tractor - Page 12 Icon_minitimeSun Apr 04, 2021 6:40 pm

@mh434 wrote:
That has to be the most advanced, comprehensive, tricked-out lawn tractor on earth!!!  Wow!  Some nice fabrication there, TourMax!

Thanks for the compliments.

I’m basically trying to build SCUT capabilities in a GT sized package and keep it all under 4 grand total. Pretty sure I’m only going to get two out of the three goals...Wink

Of course, if I were to buy one of the few GT’s left on the market (JD 7xx series, loader, 3 pt hitch, etc) I’d have to drop around 30-35 grand. So this little rig is a bargain compared to that.
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PostSubject: Re: MUT: Murray Utility Tractor   MUT: Murray Utility Tractor - Page 12 Icon_minitimeMon Apr 05, 2021 5:23 pm

Start of the fuel tank:

MUT: Murray Utility Tractor - Page 12 Ad621710

Thinking I might knock it off here for today. TIG bottle is nearly empty anyways.

I’m still batting around how to do the filler cap.

I could put it right on top and just lift the seat to fuel, that would be the easiest way to go, although not very “cool” looking.

I could also do a side fill with a pipe to the filler cap out in the fender. That would look more “factory”, but would also be a lot more work.

At least I’ve got lots of time to think it over....
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TourMax
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PostSubject: Re: MUT: Murray Utility Tractor   MUT: Murray Utility Tractor - Page 12 Icon_minitimeMon Apr 05, 2021 7:00 pm

Pretty sure I’m going to make a filler neck and place the cap in the RH fender:

MUT: Murray Utility Tractor - Page 12 1ef55510

Just seems to feel more “finished” that way. It will also be getting a cab for winter work so no hassle with lifting the seat and PITA maneuvering around in the cab to refuel it.

Now thinking I might be able to get everything out of the middle “deck space” and make it flat like the case models where you can “step through”. The older I get the harder it is to lift my feet up and over the “hump”. Making it a flat deck (like the case tractors) will make my life soooo much easier.
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TourMax
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PostSubject: Re: MUT: Murray Utility Tractor   MUT: Murray Utility Tractor - Page 12 Icon_minitimeTue Apr 06, 2021 4:40 pm

Well, decided to see how it would look in a
step through” design:

MUT: Murray Utility Tractor - Page 12 E61e2a10

looks ok. I think I prefer it with the side walls for looks, but theres no denying its easier to get on/off the thing.

It will also make it miles easier to get in/out with a cab on it where you’re already bent over to clear the cab roof.

So, unless theres a significant reason that crops up where I will need the space, its staying as a step through design. Sheet metal is an easy fix to make it look like it was built that way.

not to mention, now I have a place to mount a high/low shifter for the transaxle.

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