Results 1 to 3 of 3
  1. #1
    Member
    Join Date
    Jul 2003
    Posts
    47
    Location
    Western NY
    Tractor
    YM1300D

    Default White smoke on startup of new 790

    My new 790 seems to start a little slow when cold. (it is not even that cold out now). It also smokes white smoke for a good minute or two while warming up. Is this normal? I havew a Cummins Turbo Diesel and had a 2 cylinder Yanmar and neither gave a puff of smoke and the yanmar had way over 1,000 hours on it.

    Thanks

    Hondo
    A Bad day Hunting Is Better Than A Good Day At WorK!

    JD 790 300FEL, Custom Built CarryAll w/removeable Ballast, Rear Work Light, connector and switch for running electric 40 gallon sprayer and 400lb. Spreader. Trailer Hitch, Post Hole Auger, 6' Rake, 5' Back Blade, Welded Bucket Hooks, 5' Rototiller, 5' Rotary Cutter. More to come!

  2. #2
    Elite Member RalphVa's Avatar
    Join Date
    Dec 2003
    Posts
    3,808
    Location
    Charlottesville, VA, USA
    Tractor
    JD 1025, previously Gravely 5650 & JD 4010

    Default Re: White smoke on startup of new 790

    My 4010 with Yanmar engine puffs whitish, a tad bluish, smoke on starup when it's really cold (below about 30-40 F). Usually only lasts a few seconds though.

    Our 25 year old Benz gives a little bit of blackish smoke on startup when really cold. No whitish smoke like from the JD.

    Both the JD and the Benz start instantly after a bit of glowing, usually 4 to 6 seconds each one. One thing I like about diesels. Even after sitting 6 to 9 months, they'll start instantly (after glowing).

    Ralph
    The natural gardener
    God's original intent

  3. #3
    Gold Member Mech's Avatar
    Join Date
    Jan 2007
    Posts
    406
    Location
    Pine, CO
    Tractor
    3520 CAB

    Default Re: White smoke on startup of new 790

    Quote Originally Posted by Hondo1
    My new 790 seems to start a little slow when cold. (it is not even that cold out now). It also smokes white smoke for a good minute or two while warming up. Is this normal? I havew a Cummins Turbo Diesel and had a 2 cylinder Yanmar and neither gave a puff of smoke and the yanmar had way over 1,000 hours on it.

    Thanks

    Hondo
    My 790 (about 50 hours on it) requires the intake heat to start and smokes like crazy for about 5 minutes anytime it is below 70 degrees or so. If I plug in the block heater it starts immediately and doesn't smoke. I had a Yanmar tractor that acted the same way. I assume it is because I'm at 8600 feet. I can't get my dealer to tell me anything useful but I assume it is normal for this engine at this altitude.

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •  
© 2014 TractorByNet.com. TractorByNet is a registered trademark of IMC Digital Universe, Inc. Other trademarks on this page are the property of their respective owners.