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Machine Throttle - Always Wide Open?

 
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Old 08-26-2018, 09:37 AM   #1
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Machine Throttle - Always Wide Open?


Probably a dumb question, but when I'm doing light or delicate work, or I'm just plain slow because I don't have many hours on the seat, I'll not run at full throttle. Everyone else seems to. Is there a reason for this? Engine cooling? Seems like you can save some noise and some fuel when you don't need full power.
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Old 08-26-2018, 10:00 AM   #2
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Re: Machine Throttle - Always Wide Open?


What machine are you running?

Some are designed to run at full throttle, big Caterpillar loaders are some that need to be wound up for the hydro-static transmission to work efficiently.

My skid loaders, I run at about 3/4 throttle, no need to have them wound up tight. Like you said less noise, saves fuel.

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Old 08-26-2018, 10:04 AM   #3
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Re: Machine Throttle - Always Wide Open?


For me when running heavy equipment I use the throttle as needed.

Feller buncher is high throttle, along with tree stripper. Dozer depends. Engaging and disengaging farm equipment is high throttle for some equipment, and not for others. Beaters, combines, swathers, etc. all seem to need high throttle. Chipper gets engaged and disengaged at idle due to the massive flywheel. Some tractors I run the foot throttle, and change as the hyraulics are used like when changing heights. Bucket loader I change the throttle as needed or use a foot throttle.

Being able to push the hydraulic lever and see a very slow response is a good thing sometimes and the throttle directly plays a role in it.
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Old 08-26-2018, 10:13 AM   #4
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Re: Machine Throttle - Always Wide Open?


Mini excavator, small or mini skid steer. Anything larger one of my much better subs does the work.
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Old 08-26-2018, 10:27 AM   #5
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Re: Machine Throttle - Always Wide Open?


Skidloader gets pegged, especially the big machines.

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Old 08-26-2018, 10:30 AM   #6
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Re: Machine Throttle - Always Wide Open?


Newer machines need higher rpm to burn off the exhaust filters from what a salesman told me. He said if you don't run it full throttle it will throw error codes.

Our older skid steer gets half throttle unless really moving a bunch if material around.
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Old 08-26-2018, 10:32 AM   #7
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Re: Machine Throttle - Always Wide Open?


Run quite a bit of heavy equipment, Articulating booms, tractors, wheel loaders, skidsteers, excavators and fire apparatus (pumpers and aerial). Believe the following holds true in all cases.

All about engine output staying ahead the load you're gonna or are putting on it. After that it's all about efficiency. Better operator you are the more you desire maximum speed of movement. (Turn, articulate, lift, get down th road...) Which is the upper end of a fixed-variable throttle or mashed to the floor accelerator during operation, with some feathering of the pedal.
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Old 08-26-2018, 03:44 PM   #8
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Re: Machine Throttle - Always Wide Open?


I would operate it like I do my car, whether in the city or on the highway, full throttle baby!!

With a Full Throttle in the cup holder of course!
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Old 08-26-2018, 04:40 PM   #9
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Re: Machine Throttle - Always Wide Open?


Rabbit mode!!!!!
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Old 11-08-2018, 05:46 PM   #10
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Re: Machine Throttle - Always Wide Open?


Agreed on both, but our 973 wound all the way up makes even me a little nervous....
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Old 11-08-2018, 05:50 PM   #11
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Re: Machine Throttle - Always Wide Open?


Quote:
Originally Posted by tgeb View Post
What machine are you running?

Some are designed to run at full throttle, big Caterpillar loaders are some that need to be wound up for the hydro-static transmission to work efficiently.

My skid loaders, I run at about 3/4 throttle, no need to have them wound up tight. Like you said less noise, saves fuel.
Agree with tgeb on both points. But even I admit, our 973 wound all the way up makes me nervous....
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Old 04-05-2019, 04:53 PM   #12
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Re: Machine Throttle - Always Wide Open?


We learned on machines before emissions control, now with regen cycles, particle filters and DEF systems they are designed to be run at a certain RPM for all operations to keep things from getting gummed up. On the older skidsteers and tractors you only needed enough throttle for the task at hand.

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