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  1. #1
    Member
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    Feb 2013
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    SC
    Tractor
    long 2460 - belarus 250

    Default full throttle

    do you run your tractor at full throttle most of the time? i seem to always do cause im cutting or plowing. just wondering what everyone thought. i usually cut in 4th at full throttle and i thought about going to 5th and shaving some rpm.

  2. #2
    New Member breaksteel's Avatar
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    Oct 2012
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    17
    Location
    durham, ct
    Tractor
    TC30

    Default

    I only run it at full throttle if I'm bush hogging, or if it has trouble doing what I'm asking it to do at lower rpms.

  3. #3
    Elite Member gwdixon's Avatar
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    Jul 2009
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    2,606
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    Northern CA

    Default Re: full throttle

    Depends on the tractor and how the throttle reacts. Plus, anything that has a PTO rating at 540 rpm should be run at the speed that produces that rpm. A mower that is run slower will not cut nearly as well.

    The gear (4th or 5th) only affects the ground speed. The rpm is what properly runs the rotary mower when mowing.

    Plowing requires a lot of HP. Running in 5th at slower speeds will cause lugging and possible engine damage depending on the ground.

    My BX2200 has to be run at WOT to get 540 rpm at the PTO.
    The L48 TLB is run at about half throttle for the BH. When transporting it is run in high gear at WOT. (and is still a dog)
    The M7040 gets to 540 rpm at about 3/4 throttle.

    Check the "Similar Threads" at the bottom of this page for more threads and ideas.
    2009 Kubota M7040, R1s, LA1153 FEL, fork lift, 3 rear remotes, T&T
    2002 Kubota L48 TLB, 12", 18", 24" HD buckets
    2001 Kubota BX2200, Turf, LA211 FEL
    7.5' Howse 3PT disc, 88" Gearmore 4G4 box scraper, 4' box scraper, Gearmore GB85 blade, LandPride RCR2596 cutter, 6', 4' flail mowers, 6', 4' rototiller, 4' Bush Hog cutter, HD subsoiler, Bearcat 70554 chipper, Bush Hog PHD w/ 12", 6" augers, Ford 101 3-bottom plow, 8' land leveler, 6' rake, lots of misc.

  4. #4
    Platinum Member MESSMAKER's Avatar
    Join Date
    May 2009
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    980
    Location
    Bluegrass,KY
    Tractor
    Bobcat ct 225

    Default Re: full throttle

    Quote Originally Posted by breaksteel View Post
    I only run it at full throttle if I'm bush hogging, or if it has trouble doing what I'm asking it to do at lower rpms.
    Same here!

  5. #5
    Veteran Member oosik's Avatar
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    Aug 2012
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    1,621
    Location
    AMBER, WA
    Tractor
    Kubota M6040

    Default Re: full throttle

    I only run NEAR full throttle for those pto implements that need 540 rpm (chipper & snow thrower). I'm around 2K rpm when disking or plowing. Otherwise, if I'm just going from point A to B its 1500 to 1700 rpm.

  6. #6
    Elite Member GManBart's Avatar
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    Dec 2012
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    2,925
    Location
    Belleville, MI
    Tractor
    Massey Ferguson 241, Massey Ferguson 2244 crawler

    Default Re: full throttle

    Thirteen pages of recent posts on this exact topic:

    http://www.tractorbynet.com/forums/j...ml#post3447215

  7. #7
    Super Member
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    Feb 2006
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    8,614
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    VA
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    JD2010, Kubota3450,2550, Mahindra 7520 w FEL w Skid Steer QC w/Tilt Tatch, & BH, BX1500

    Default Re: full throttle

    High Idle = full RPM. Full throttle is what the governor does to hold fast to that rpm against a load requiring the max torque the engine can support w/o bogging down to a significantly lower rpm. In doing this the governor feeds more fuel to each combustion event - up to the design limit. On a diesel, that limit point is full throttle.
    larry
    This side of 40
    JD2010, Kubota L3450/FEL w SK QC, L2550 w FEL
    Mahindra 7520 [Pinky] /FEL w Skid Steer QC/w Tilt Tatch & BH, BX1500 [Mighty Mouse]
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    JD 127 bushog, Flail, SK Tilt Tatch , KK tiller, Rhino rear blade, Post driver, post auger, chipper, pallet fork, Grapple/Loader Buddy, Homemade Splitter/DC Welder

  8. #8
    Super Member jerrybob's Avatar
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    Mar 2010
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    Southwest Washington
    Tractor
    yanmar 186D....JD LT180....DR Brush Cutter

    Default Re: full throttle

    Quote Originally Posted by breaksteel View Post
    I only run it at full throttle if I'm bush hogging, or if it has trouble doing what I'm asking it to do at lower rpms.
    Me too!!
    I Intend to Live Forever.....So Far....So Good!

    I'm addicted to placebos. I'd give them up, but it wouldn't make any difference.

  9. #9
    Elite Member
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    Dec 2007
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    Location
    texas
    Tractor
    7040 HDC 1153 fel

    Default Re: full throttle

    ive never ran at the 540pto speed speed on either 1 of my tractors an i dont intend to.i run anywhere from 1500 to 1800rpms depending on what im doing.

  10. #10
    Veteran Member KennyG's Avatar
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    Jan 2011
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    SW Michigan
    Tractor
    John Deere 2320

    Default Re: full throttle

    It's your tractor and you can use it anyway you want. If you are doing loader work or transporting things, it's whatever feels right. HOWEVER, when it comes to doing real work I can tell you what farmers do. If it's PTO work, run it at rated speed. Any kind of ground engaging, run it wide open in as high a gear as it will pull. I say this from experience growing up on a farm when you would get your butt kicked if you got caught not running at full throttle. Speed is time and time is money.

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