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  1. #1
    Member
    Join Date
    Dec 2012
    Posts
    34
    Location
    BRF WI
    Tractor
    55 Super John Deere 5303

    Default Manifold heater

    The tractor I'm thinking about purchacing has a winter start up kit. The saleman says that it warms the manifold. Is this a good working setup for cold weather? I have used glow plugs with good results. Just wondering your thoughts on this. Good better or worse. Thanks

  2. #2
    Elite Member whistlepig's Avatar
    Join Date
    Jan 2009
    Posts
    4,262
    Location
    Preble County, Ohio
    Tractor
    Kubota B7800 with FEL

    Default Re: Manifold heater

    From what I have read glow plugs work a little better than a manifold heater. I owned a Dodge pickup with a Cummins diesel that had a manifold heater. It seemed to work fine on the Cummins.
    I used to do the Hokey Pokey but I turned myself around.

  3. #3
    Silver Member
    Join Date
    Dec 2011
    Posts
    226

    Default Re: Manifold heater

    If its a "thermostart" unit the truth is it heats the air being drawn into the cylinders through the inlet manifold!!

    What make of producy are you purchasing??

  4. #4
    Elite Member
    Join Date
    Sep 2010
    Posts
    4,088
    Location
    Canada
    Tractor
    MF

    Default Re: Manifold heater

    Any tractor I have seen with that set up has been really hard to start or has to be plugged in to get to start.

    Although on the Cat Excavator it has a similar set up and it starts perfectly every time any weather.

  5. #5
    Member
    Join Date
    Dec 2012
    Posts
    34
    Location
    BRF WI
    Tractor
    55 Super John Deere 5303

    Default Re: Manifold heater

    Its a John Deere 5303 I hope whatever it is works. I don't have power where the tractor is to be kept and will need it to run in the winter. It would be a pain to have to bring a generator along to plug it into.

  6. #6
    Veteran Member MHarryE's Avatar
    Join Date
    Feb 2009
    Posts
    1,474
    Location
    Northeastern Minnesota
    Tractor
    JD 7720; Kubota M135GX, NH TS115A; JD 6230; Kubota L5740

    Default

    Not sure what type manifold heater the tractor you are looking at but Perkins and their Caterpillar twins, 4 liter 4 cyl and 6 liter 6 cyl, had a manifold heater option. It consisted of a heating coil and heat operated valve on the end of a fuel line from the lift pump to the intake manifold. Activating the heater warmed the heating coil which opened the spray valve. Cranking the engine then lit off the fuel spray in the naf old as it hit the hot coil. The spray was limited so it didn't burn up all the oxygen in the manifold which would defeat the purpose. The heat stayed on as long as you cranked the engine. It was very effective down to about 15 below F. They dropped the manifold heater in favor of glow plugs when they went to a common rail injection system. The manifold heater didn't draw as much power as glow plugs and some were switched so an operator could continue using manifold heat after the engine started but was still running rough. Ether is not good with the manifold heater because of the explosion that occurs when the ether hits the hot coil in the manifold. Not sure if this is the heater type you are looking at but it was a very common design in the ast although I don't know of anyone using the design now.
    JD7720; KubotaM135GX; NH TS115A; JD6230; KubotaL5740

  7. #7
    Veteran Member Jerry/MT's Avatar
    Join Date
    Feb 2008
    Posts
    2,058
    Location
    Western Montana
    Tractor
    New Holland TD95D, Ford 4610 & Ferguson TO-30

    Default Re: Manifold heater

    Quote Originally Posted by Tony S View Post
    The tractor I'm thinking about purchacing has a winter start up kit. The saleman says that it warms the manifold. Is this a good working setup for cold weather? I have used glow plugs with good results. Just wondering your thoughts on this. Good better or worse. Thanks
    I'm not impressed by the Thermostart system for manifold heat. they are supposed to be good to about 5-10 F on my Ford. I prefer the block heater. We have ours on a timer that comes on 2 hrs before feeding time. Starts up easier and warms up much faster. And it's simple. Of course if you don't have electrical service near where you park you tractor it won't work.

  8. #8
    Platinum Member
    Join Date
    May 2004
    Posts
    882
    Location
    Harpers Ferry WV
    Tractor
    Kubota L4330, 6 rear remotes

    Default Re: Manifold heater

    There are propane "block" heaters for off-grid winter starting if you have a real problem ...examples:
    Red Dragon Propane Engine Preheaters
    Block Heater

    There are also diesel "hydronic" coolant heaters, for example: Espar | Worldwide Leader in Truck Heaters, Air Heaters and Boat Heaters
    see http://www.espar.com/html/applications/offhighway.html

    Years ago, I used a propane percolator heater that tied into the heater hoses on my old Mercedes 190D...got it at JC Whitney, as I recall.

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