PTO powered splitter: Chinese Tractors -- NorTrac Tractors  -- Chinese Tractors Discussion Forum and Review PTO powered splitter: Chinese Tractors -- NorTrac Tractors -- Chinese Tractors Discussion Forum

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 04-26-2011, 23:46 Post: 178182
aztractor



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 PTO powered splitter

Anybody use one? How do you like it?






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 04-27-2011, 00:51 Post: 178186
auerbach

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 PTO powered splitter

They're fine if you have a lot of hefty wood in remote locations. Otherwise, they're costly compared with a small electric for around $200. (For another few hundred you could get an inverter that would let you run it off your battery.)






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 04-27-2011, 07:10 Post: 178191
greg_g

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An AC powered log splitter typically requires a 15 to 20 amp source, which represents a nominal 1800 to 2400 watt surge load. The OE alternator on a JM204 is only rated at 200 watts. It couldn't recharge the tractor battery fast enough to support much work out of an electric log splitter.

And yes, PTO powered log splitters are more expensive than those that simply plug into existing hydraulic remotes - which is a feature that I doubt you'll find on many JM204s. As such, I'll speculate that adding an open-centered hydraulic remote system to a JM204 would cost more than the typical splitter you'd actually plug into it. That's when the "more expensive" PTO powered splitters starts lookin' a whole lot more sensible.

//greg//






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 04-27-2011, 08:39 Post: 178195
auerbach

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Yes, I couldn't believe the cost of hydraulic remote outlets. (One compact that comes with them is the Kioti.) For instance, I could have borrowed a rear-mount stump grinder (free) but it was way cheaper to rent a gasoline grinder and hire a couple of guys to operate it.

But I paid just a hundred and change for a mail-order 2000-peak-watt inverter that I mounted on the tractor and hard-wired to the battery. I'm sure it wouldn't split logs all day, but for intermittent use I plug in my corded leaf blower, pole and hand-held chainsaw, rotary trimmer, and drills (like low-speed and percussion) that don't have a self-contained battery.

(And I hardwired an outside connecter so I can easily attach my automatic trickle-charger to maintain the battery if it's cold or if I've been using the inverter and the tractor's going to sit for a while.)






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 04-27-2011, 09:47 Post: 178197
greg_g

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I hear your argument, and note with emphasis your use of the phrase "intermittent use". Note also:
leaf blower <12 amps
pruner <9 amps
trimmer <5 amps
And I even though I don't know what you categorize as a "specialty drill", the most powerful 1/2" I've seen still won't draw any more than your leaf blower.

Now with those tools, I understand "intermittent use". But reflecting on all the splitting I've done over the years, I can't quite grasp the concept of intermittent log splitting. I'm more inclined to classify electric log splitters as novelty items.

//greg//






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 04-27-2011, 10:30 Post: 178198
richwaugh

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Considering that it takes a 5-10 hp electric motor to drive a decent hydraulic pump for a log splitter, I'm baffled as to how one could be had for $200. For that kind of money I'd think you might get something that would split kindling into smaller kindling (and do it slowly). $200 is less than the cost of a relatively small hydraulic pump alone, not to mention the cylinder, control valve, plumbing and framework.

My 304 Jinma has full rear remotes so my choice would be a hydraulic splitter to run off the tractor pump. If I didn't have the remotes I'd opt for either a PTO-driven splitter or one with its own gas engine. Just doesn't make sense to me to burn fuel to generate DC electricity that you have to invert to AC to run a motor to turn a pump. Seems like it would be a very low-efficiency system, compared to running the pump with fuel to start with.

The real low-budget splitter is a maul. Smile






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 04-27-2011, 10:34 Post: 178199
Murf

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 PTO powered splitter

The small ~$200 wood splitters have no hydraulics, they gear reduce a 120 volt motor to spin an Acme threaded rod, the splitting wedge travels on that thread.

Best of luck.






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 04-27-2011, 15:46 Post: 178210
aztractor



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Thanks for all the info.
I think I should have been more specific in my questions though (sorry).
What is your opinion of a PTO splitter that I would connect to the PTO from my tractor directly to a hyd pump, or even some home-made setup?
Does the PTO shaft spin fast enough to turn a HYD pump?






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 04-27-2011, 16:15 Post: 178211
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Okay, that defines the question better. You can run a hydraulic pump directly off the PTO, but it has to be a PTO-type pump. Those have their own gear train to step up the PTO speed from 540 to about 2000 rpm to spin the pump to full volume.

I'm not sure about the 204 tractors, but my 304 Jinma has a provision for hooking a Chinese CBN series hydraulic pump to an engine output shaft that is behind a plate just above the PTO. That shaft runs at engine speed, not PTO speed.

For ease of use, however, I'd probably go for the PTO pump so it could stay with the splitter when it wasn't hoked to the tractor. No need to open the hydraulic plumbing that way - just take the pump off the PTO and unhook the stay chain and away you go.






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 04-27-2011, 16:20 Post: 178212
richwaugh

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Quote:
Originally Posted by Murf | view 178199
The small ~$200 wood splitters have no hydraulics, they gear reduce a 120 volt motor to spin an Acme threaded rod, the splitting wedge travels on that thread.Best of luck.



Aha! So they're using a linear actuator to push a wedge. I suppose you could develop sufficient force for low bucks that way, if you were patient. They'd have to gear the thing way down to get much driving force, I'd guess. Thanks for that info. Living in the tropics, I need a log splitter like a frog needs a Ferrari. Smile






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Discussion Boards > Active Subjects > Messages as Posted > Chinese Tractors -- NorTrac Tractors Forum

Thread 178182 Filter by Poster:
auerbach 2 | aztractor 4 | greg_g 4 | kthompson 1 | Murf 1 | richwaugh 3 |




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