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  1. #1
    Member
    Join Date
    Apr 2007
    Posts
    48
    Location
    Camden, New York
    Tractor
    Farmall 45 with Cab

    Default Warm Up Time

    I have a hyro tran. on my tractor (DX45). My question to you all is what is enough warm up time in cold weather below 30 and many times below 0?
    I usually let the tractor idle for 10 min to 15 min. Should I let it idle more?

  2. #2
    Gold Member
    Join Date
    Jan 2010
    Posts
    496
    Location
    East Coast
    Tractor
    JDs:

    Default Re: Warm Up Time

    I have a JD 4720 hydro. and I purchased the tech. manual for the engine. I noticed it said not to allow the engine to idle more than 5 mins. stating "if the engine is going to idle more than 5 mins, turn it off" I thought this was kind of short. it claims more will cause build up. reading more and between the lines, it appears they don't want you put the engine under very much load until it's warm.

    Just telling you what the books says...What i do is let it idle for 5 mins. and slowly drive it to where i need to work...that's a good warm up.

  3. #3
    Veteran Member kevinj's Avatar
    Join Date
    Jul 2003
    Posts
    1,314
    Location
    West MI
    Tractor
    BX-1860, L3940HSTC, B7500, Farmall M, Farmall 560D

    Default Re: Warm Up Time

    Quote Originally Posted by rider9403 View Post
    I have a hyro tran. on my tractor (DX45). My question to you all is what is enough warm up time in cold weather below 30 and many times below 0?
    I usually let the tractor idle for 10 min to 15 min. Should I let it idle more?
    I warm up till the temp gauge is about 1/2 of normal then light use till warm.
    Kevin

    BX1860, mower, snowblower - B7500HST, FEL, Bush Hog - Grand L3940 HSTC, FEL, snowblower, 6' Landpride brush hog, 6' King Kutter tiller, Corn Pro 18+5 Fifth Wheel, 1950 Farmall M, Farmall 560D

  4. #4
    Elite Member Chilly807's Avatar
    Join Date
    Sep 2009
    Posts
    3,200
    Location
    Nova Scotia
    Tractor
    Kubota L3400DT

    Default Re: Warm Up Time

    I generally start mine and increase the idle to about 1200-1300 for 5 minutes or so before I put it to any real work. As soon as the temp gauge is reading somewhere near normal, it's ready to go. Mine isn't hydro.

    Sean

  5. #5

    Default Re: Warm Up Time

    My manual (mf1635) says the same thing (to not idle too much) ... so to warm it up I just give it a slow drive up and down my road till the heat comes up, then its good to go for heavier load

  6. #6
    Super Star Member
    Join Date
    Mar 2009
    Posts
    16,060
    Location
    Missouri
    Tractor
    Kubota, John Deere, Case, Massey Ferguson, Ford

    Default Re: Warm Up Time

    I warm mine up at 1200-1500 until I have two bars on my heat gauge.
    Thread on helpful tractor abbreviations: http://www.tractorbynet.com/forums/o...-acronyms.html

  7. #7
    Super Member CompactTractorFan's Avatar
    Join Date
    Jul 2010
    Posts
    7,958
    Location
    Pennsylvania
    Tractor
    Kubota BX25

    Default Re: Warm Up Time

    Here is my procedure:

    #1 Start tractor at about 1/2 throttle
    #2 Wait until it stops smoking and engine sounds normal
    #3 Pull out of garage and park tractor
    #4 Run at 1/2 throttle for a minute or two
    #5 Proceed to job site and start light work...
    Kyle - CompactTractorFan

    Kubota BX25 w/R4's (23 hp, 17.7 PTO hp), Loader, Backhoe, 60" Mid Mount Mower, Cyclone Rake Z-10 Lawn Vacuum, CountyLine Carryall, Ferris 48" Walk-Behind Mower, Honda 21" Walk-Behind Mower, Mighty Mac 4" Chipper/Shredder,
    2000 Dodge Intrepid, 2012 Ford F-150 EcoBoost

  8. #8
    Elite Member RalphVa's Avatar
    Join Date
    Dec 2003
    Posts
    3,791
    Location
    Charlottesville, VA, USA
    Tractor
    JD 1025, previously Gravely 5650 & JD 4010

    Default Re: Warm Up Time

    I start my HST tractor and immediately put it to use at temperatures as low as about 10 F. Just don't rev it to "PTO" speed right away, but it is started up with the throttle set to get about 1,200-1,500 rpm. I usually keep it below about 2,000 rpm until it gets fully warmed up.

    The local JD dealer recommends use of the low vis hydro fluid here in Virginia. If you used the higher vis stuff, you probably need to let it warm up some more.

    If you run an HST in temperatures much below about 0 to 10 F, I'd be in favor of getting a warmer for the HST. Just a small heater placed underneath the HST oil reservoir area for an hour or so before startup ought to be enough. Be probably more economical and safer (for the engine) than letting it sit and idle for a long period.

    Ralph
    The natural gardener
    God's original intent

  9. #9
    Elite Member AKfish's Avatar
    Join Date
    Oct 2004
    Posts
    4,986
    Location
    Kasilof, Alaska
    Tractor
    JD 5075M; JD 110 TLB; Ford Ferguson 9N: JD X300R

    Default Re: Warm Up Time

    Quote Originally Posted by rider9403 View Post
    I have a hyro tran. on my tractor (DX45). My question to you all is what is enough warm up time in cold weather below 30 and many times below 0?
    I usually let the tractor idle for 10 min to 15 min. Should I let it idle more?
    Does the manufacturer have a transmission heater option for your tractor?

    For less than $60, I installed a heater element for my Hydro transmisson.

    I plug both the engine heater and the tranny heater in whenever it's gonna be in the teens. Piece of mind and I don't have to worry a great deal about "operating temps" cause the gauge is generally where it's supposed to be right out of the blocks!

    AKfish
    "Most people want to live on top of the mountain, but all the happiness and growth occurs while you're climbing it."

  10. #10
    Super Star Member RoyJackson's Avatar
    Join Date
    Nov 2001
    Posts
    18,329
    Location
    Bethel, Vermont
    Tractor
    John Deere 4400 MFWD, Deere 855D UTV and assorted implements

    Default Re: Warm Up Time

    Since my 4400 has a folding ROPS I have to lower when I park it, my warm up time consists of pulling out of the garage, raising the ROPS, smoking a cigaret while looking over the machine for loose fasteners. All told...5-8 minutes.
    Then I start, but pretty light work for a few more minutes.

    Worked for me the last 10 years (except for the folding ROPS part).
    Roy Jackson

    "Any government that does not trust its citizens with firearms is either a tyranny, or planning to become one."
    -Joseph P. Martino

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