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Murray 18 HP 4-speed

murray gt murray 18/42 tractor

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#1 KennyP OFFLINE  

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Posted August 13, 2017 - 07:35 AM

I got this in a trade and had thought about using the engine elsewhere. After getting it running and driving, I decided to keep it together as a yard tractor. The engine is a B&S 20 HP (460777 1276 01) with pressurized oil system. First one of these I had ever seen.

I had to make new throttle and choke cables as the old ones were seized. Got the throttle in yesterday. Working on the choke. Have to reroute it due to the close proximity of the grille. It originally came in from the front of the carb. Too much of a bend for the cable, so I am making a bracket and lever to let it come up from the bottom. I'll have some pics later.

For now here's some pics I posted in the original thread.

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#2 MolonLabe OFFLINE  

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Posted August 13, 2017 - 08:21 AM

That looks like a Peerless 2300 transaxle under there. Do they use a right angle gear box off the output pulley of the engine to run a final drive belt? Don't see many of those transaxles coupled with vertical shaft engines.


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#3 boyscout862 ONLINE  

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Posted August 13, 2017 - 09:10 AM

Looks good. I like the hitch handle extension. Good Luck, Rick


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#4 glgrumpy ONLINE  

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Posted August 13, 2017 - 10:27 AM

I had a light version back in late 70's from sears. Only 8hp and manual, but that thing had big wheels and went everywhere easy. Mowed my new lot when building my house. I went bigger later with a Deere (spit!), but wasn't that much better than the light Sears. Was nice size and comfortable to drive too. You'll like it.


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#5 Sawdust OFFLINE  

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Posted August 13, 2017 - 10:35 AM

Looks like a beefy rig. Those old Murrays were tuff like GL mentioned even the small ones. Nice find.
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#6 KennyP OFFLINE  

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Posted August 13, 2017 - 11:19 AM

That looks like a Peerless 2300 transaxle under there. Do they use a right angle gear box off the output pulley of the engine to run a final drive belt? Don't see many of those transaxles coupled with vertical shaft engines.

The belt is twisted in pulleys to go from vertical shaft to horizontal shaft trans pulley. It may be a Peerless, haven't looked for any tags on it yet.

 

Did some more on the choke this morning. Here's how close the carb is to the grille.

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Here's the rough lever. It's 18 gauge (or thereabouts, 0.050").

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I have plenty of this metal. I have another piece that is about 6' long like this.

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Here's the throttle cable I did yesterday.

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Lever after trimming.

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On the carb.

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Bracket made up for holding the choke cable.

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Now to make a short link to the carb and lever and finish the choke cable.


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#7 KennyP OFFLINE  

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Posted August 13, 2017 - 01:08 PM

Got the short link installed, giving me a length for the choke cable. Trimmed things and put some 1/4" shrink wrap over the flex part.

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Choke in open position.

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Choke closed.

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I found this at Atwoods Farm supply. Used it to lube the new cables.

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Now on to the other things it needs:

Wiring sorted out

Ignition switch

Starter (on order, be here next week)

Seat

2 tubes for the back tires (swapped tires for now)

Maybe a bigger pulley at the engine (speed it up some, after all, it's a 'junk yard dog')


Edited by KennyP, August 15, 2017 - 05:13 AM.
Made changes

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#8 KennyP OFFLINE  

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Posted August 13, 2017 - 02:55 PM

Made up a quick muffler guard. Don't want to get the shins up against the hot muffler.

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#9 Doxey OFFLINE  

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Posted August 13, 2017 - 07:16 PM

I had a Murray just like that, my first GT.  I like the lever you made on the carb.  We called that a bellcrank in the model airplane hobby.


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#10 KennyP OFFLINE  

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Posted August 14, 2017 - 05:52 AM

Thanks.

I found a wiring diagram with the same ignition switch set up. It's an odd switch.

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I'll see if my wiring matches this.

 


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#11 KennyP OFFLINE  

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Posted August 14, 2017 - 11:48 AM

Checked the wiring, I'll have to move 3 wires to different spots, but the switch will work. TSC is supposed to have it for $15.

Swapped out the back tires for the 23X8.50 Firestones I  worked on earlier. They'll do for now.

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#12 KennyP OFFLINE  

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Posted August 15, 2017 - 02:01 PM

I don't think Murray cared as I looked under at the rear. It is a 2300 tranny from what I can tell. Also, the front pulley has the belt on a 2.625" dia. A 3.5" would be nice. Starter should be here tomorrow.


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#13 tiretrx OFFLINE  

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Posted August 15, 2017 - 02:53 PM

Coming along nice, Kenny. Should be an able yard machine :thumbs:


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#14 KennyP OFFLINE  

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Posted August 15, 2017 - 03:05 PM

Coming along nice, Kenny. Should be an able yard machine :thumbs:

That's what I am hoping for, Ellis!


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#15 Sawdust OFFLINE  

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Posted August 15, 2017 - 08:45 PM

Junk Yard Dog calls for a nice paint scheme with a Mack dog hood ornament. Coming along nicely. I was thinking about the muffler too not having a guard...looks good.
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