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pto winch shafts in brisbane?

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pto winch shafts in brisbane?

Post by AngryElmo »

dose anyone know where i can get shafts for a pto winch made in brisbane?
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Post by shorty_f0rty »

Advanced Trailer Spares at Coopers plains..

They do all the gear for Thomas PTO's... fit up energex vehicles with PTO's, etc.. they should have everything you need. You will need to give them the length and before you pay make sure the keyhole is the right fit. When they made my custom shaft I had to file the bit off the end of the key to make it fit.

they should be in the yellow pages.
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Post by rockcrawler31 »

soooooo...... when i told you that ATS are the PTO gurus about a week ago, which bit wasn't clear??? :finger: :finger:

Or are you just trying to get cheaper shafts from somewhere??

They were always going to cost a couple of bucks.

Go and get yer asbestos flame proof suit mate, you're going to need it this weekend mate :D :D

In all seriousness mate, go round to my place and have a look at mine. You will get an idea of how they are made and what bits you will need to adapt/shorten. Have a look at the keyway on the output box, and where it goes onto the winch itself. These are the bits that you won't be able to fab yourself, if the shafts you are getting are too long you will be able cut them short in the middle and resleeve them together. If you find that the shaft is imbalanced as a result, then go and get a correct length one from ATS, but at least you will have tried the cheaper option.
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Post by shorty_f0rty »

hehehe... my foot long shaft cost about $35.. from memory.. so its not expensive at all.
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Post by rockcrawler31 »

shorty_f0rty wrote:Advanced Trailer Spares at Coopers plains..

They do all the gear for Thomas PTO's... fit up energex vehicles with PTO's, etc.. they should have everything you need. You will need to give them the length and before you pay make sure the keyhole is the right fit. When they made my custom shaft I had to file the bit off the end of the key to make it fit.

they should be in the yellow pages.
From a phone conversation with ATS a couple of days ago, apparently true pto systems are getting harder and harder to find given that they have been out of production for a while. They are still fitting pto winches with hydraulic drive motors directly on to the winch, and are even now using electric motors. He said that true winch afficionados are still using PTO output boxes but its getting rarer thanks to the abundance of cheap electric winches.

i'm interested in the electric over PTO option actually. could be a pretty strong and fast set up.
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Post by shorty_f0rty »

interesting.. i think it was about 18months ago when i was trying to get a 2nd hand PTO to fit on my 40... interesting to know how the PTO's are changing as technology progresses.
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Post by rockcrawler31 »

i forgot to mention that it was Elmo's conversation with ATS, it's purely second hand info.
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Post by AngryElmo »

i just thought id just shop around a bit first ATS said no more than 480+gst. The winch i got has everything except the shafts i thought he had them but apparently he dosent...... ATS where really helpful, but i have to have different shafts to normal apparently cos of my extractors, but hey what can u do............... and yeah its always a good idea to get 2 or 3 quotes just to make sure
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Post by rockcrawler31 »

fark. i remember having a bit of a heart attack when they gave me the bill for my shafts, and now i know why :shock:

mate, we'll have a crack at home first if you want. surely we can get the bearings and uj's from somewhere, and after that we'll just get some rod milled to accept the keyways.
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Post by AngryElmo »

yeah, now u see y im asking around :finger:
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Post by pcman »

just make your own shaft the keyways for a thomas winch are easy to make

get some 19mm rod (hardish to find)
get a NEW 1mm angle grinder disc
carefully cut 2 slits into it the corect distance apart for the keyway width
then swap to a 2mm or 2.whatever and carefully gring the center bit away
keep test fitting the keyway till its deep enough and the keyway fits snug

then if you wanna be pedantic get a welder and weld up the ends so there squarer

i just tac welded the keyways to the shaft in mine


i did all mine on my pto shaft cost me 19bux for the rod

1.4m iirc for a standard 4 speed 40 series
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Post by rockcrawler31 »

thanks mate
that's the kind of answer we might need to know
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Post by AngryElmo »

that might turn out to be the best thing ive heard, if i can make them i may just do it myself......... ha ha with milo's help of course..... :armsup:

anyidea of where to get uni joints from then???
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Post by pcman »

arr thats why they want 450

unis arnt cheap if you need the whole bit

maby try somewhere like cbc bearings, coventrys, blackwoods
just did a quick search on blackwoods and found these

http://www2.blackwoods.com.au/infoBANKP ... &P=2024264

be sitting when you get a price from what ive found with them

a cheaper dodgier idea go visit a few wreckers and take a handfull of steering unis from various cars and mod to suit
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Post by AngryElmo »

i found bits and peices out http://www2.blackwoods.com.au/infoBANKP ... &P=2024255 these are 62.94 for the retainers if i need them, and http://www2.blackwoods.com.au/DisplayPr ... o=08947903 these are the uni joints and there expensive there worth $149.06 each, and then i need the steel and well it looks expensive
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Post by rockcrawler31 »

go to the consolidated bearing company (CBC) site and have a look.

i just called them, you can get the bearing cups and bearing at 50 bucks a set after gst.
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Post by nastytroll »

Allied Bearings at rocklea are good for prices, 3/4 bar is 19.05mm and would be what most PTO winches would use for drives. I wold look at 4140 for strength.

I made a replacement shaft for a mates PTO, but it was the winch shaft he broke. I used 1 1/4" 4140, I dont want to be around if he brakes it.
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Post by rockcrawler31 »

thanks mate - i'll give them a call

i asked around and it's possible to get a torque limiting slip clutch put in place of the shear pin. Between 100 - 300 bucks, i might be interested in putting one of these in.

does anyone know how to calculate what Nm a shaft should slip at if given the ratio of the worm drive and the dimensions of the drum? I guess you need to work out the rated pull strength of a thomas winch (9000lb) as a Nm measurement at the drum.

Sooo, if the drum is 100mm round, and the winch is rated at 9000lb (4090kg) then the main shaft on the drum would be rated at 409Kgf/m (4090 / .1mtr)

Then if the worm drive to crown gear ratio was 60:1 then the input shaft to the winch would want a rating of 6.81Kgf/m or about 68Nm

Does this sound right?
I suspect that the winch would be good for a hell of a lot more than that

MILO
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Post by rockcrawler31 »

ok. i just made some quick calcs


Given the following
1. if the drum is a radius/diameter of 100/200mm (i don't have the drum here to measure.


2. I know the output box on the transfer is good for 12hp

3. The worm gear ratio is 50:1(I enquired)

4. At a max rated line pull of 10000lb (4545kg)

The shaft drive is subject to a torque of 65.65lb/f, which equates to a max shaft RPM of 960 to give 12HP

At 960RPM the line speed is 12meters a minute. So at max load it should be good for 12meters a minute

At half load it should be good for 24meters a minute and so on

How does this compare to an electric winch, or even a slightly warmed up highmount?
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Post by tazzashort »

was it 480 dollars for 1 4140 19mm shaft with two keys?
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Post by AngryElmo »

no, $480 +GST was the whole shaft fitted by ATS. so uni and keyways and all that jazz.........
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Post by 5lt Patrol »

Im building up a competition PTO winch and im looking to find something better than a sheer pin/bolt any ideas??? I was tinking about some sort of clutch pack???

This is my winch so far, and im planing on a pneumatic free spool.
Image
Image
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Post by rockcrawler31 »

mmmmmm. sexy

when you pneumatic freespool, do you mean air ram operating the dog clutch?

how are you supplying drive to it?

Have you beefed up the worm drive in any way? and what make of pto winch is it to begin with?

sorry about all the questions, i just have a bit of an unnatural liking for PTO winches :D
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