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  • DOCDENT
    started a topic Help !! Lp conversion bobcat 250

    Help !! Lp conversion bobcat 250

    23 HP KOHLER
    MODEL CH23S
    674 cc ENGINE
    MANU. DATE 7-11-06

    DOES ANYONE KNOW WHERE I CAN PURCHASE A KIT FOR THIS UNIT ? IT IS CURRENTLY A GASOLINE ENGINE AND AM NEEDING A LP CONVERSION KIT REALLY FAST ANY HELP WOULD BE GREATLY APPRECIATED !

    DOC

  • DOCDENT
    replied
    Crabber thats a great link thanx !!! Gonna callthem tomorrow !!!

    Leave a comment:


  • crabber
    replied
    http://www.propane-generators.com/order_page.htm

    I talked to these guys awhile back about a conversion for my Hobart. I think it was around $250.00. for the Kohler CH 23.

    ~Ian

    Leave a comment:


  • crabber
    replied
    Originally posted by HotRodTodd View Post
    Actually propane has more BTU's per pound and is around 104 to 107 octane.
    Its natural gas that has less BTU's than gasoline.

    C&P from propane gas assn:
    Propane
    1 pound = 21,500 BTU <-------
    4.24 lbs = 1 gallon
    Natural Gas 1 cubic foot = 1,050 BTU
    36.39 cubic feet = 1 gallon
    Gasoline
    1 pound = 19,000 BTU <-------
    1 gallon = 6.1 lbs

    We have ordered some kits from these guys in the past, and they were bolt up complete, and not to bad on pricing.
    Your mileage may vary, LOL!
    http://www.propanecarbs.com/small_engines.html
    Fuel GGE BTU/unit
    Gasoline (base)[2] 1 US gallon 114,000 BTU/gal
    Gasoline (conventional, summer)[2] 0.996 US gallon * 114,500 BTU/gal
    Gasoline (conventional, winter)[2] 1.013 US gallon * 112,500 BTU/gal
    Gasoline (reformulated gasoline, ethanol)[2] 1.019 US gallon * 111,836 BTU/gal
    Gasoline (reformulated gasoline, ETBE)[2] 1.019 US gallon * 111,811 BTU/gal
    Gasoline (reformulated gasoline, MTBE)[2] 1.020 US gallon * 111,745 BTU/gal
    Gasoline (10% MBTE)[3] 1.02 US gallon 112,000 BTU/gallon
    Gasoline (regular unleaded)[4] 1 US gallon 114,100 BTU/gal
    Diesel #2[4] 0.88 US gallons 129,500 BTU/gal
    Biodiesel (B100)[4] 0.96 US gallons 118,300 BTU/gal
    Bio Diesel (B20)[4] 0.90 US gallons 127,250 BTU/gal
    Liquid natural gas (LNG)[4] 1.52 US gallons 75,000 BTU/gal
    Compressed natural gas (CNG)[4] 126.67 cu ft (3.587 m3) 900 BTU/cu ft
    Hydrogen at 101.325 kPa 357.37 cu ft 319 BTU/cu ft[5]
    Hydrogen by weight 0.997 kg (2.198 lb)[6] 119.9 MJ/kg (51,500 BTU/lb)[7]
    Liquefied petroleum gas (LPG)[4] 1.35 US gallons 84,300 BTU/gal
    Methanol fuel (M100)[4] 2.01 US gallons 56,800 BTU/gal
    Ethanol fuel (E100)[4] 1.500 US gallons 76,100 BTU/gal
    Ethanol (E85)[4] 1.39 US gallons 81,800 BTU/gal
    Jet fuel (naphtha)[8] 0.97 US gallons 118,700 BTU/gal
    Jet fuel (kerosene)[8] 0.90 US gallons 128,100 BTU/gal
    Electricity 33.40 kilowatt-hours * 3,413 BTU/(kWh) [9][10]
    *calculated based on 114,000 BTU/gal base gasoline

    Leave a comment:


  • weldersales
    replied
    Bobcat

    Another suggestion - send us the machine and we will send you a propane model same day. weldersales

    Leave a comment:


  • HotRodTodd
    replied
    Actually propane has more BTU's per pound and is around 104 to 107 octane.
    Its natural gas that has less BTU's than gasoline.

    C&P from propane gas assn:
    Propane
    1 pound = 21,500 BTU <-------
    4.24 lbs = 1 gallon
    Natural Gas 1 cubic foot = 1,050 BTU
    36.39 cubic feet = 1 gallon
    Gasoline
    1 pound = 19,000 BTU <-------
    1 gallon = 6.1 lbs

    We have ordered some kits from these guys in the past, and they were bolt up complete, and not to bad on pricing.
    Your mileage may vary, LOL!
    http://www.propanecarbs.com/small_engines.html
    Last edited by HotRodTodd; 05-20-2010, 09:44 AM. Reason: Forgot to add link

    Leave a comment:


  • crabber
    replied
    Less BTU

    LPG has less BTU's than gasoline, which produces less output as JS pointed out. I believe it produces about 15% less heat (energy) than gas. If you Google search "LPG conversion kit" with whatever engine type you have, many kits are available.

    Let us know what you find!

    Good luck!

    ~Ian

    Leave a comment:


  • JSFAB
    replied
    Just for your information, I own a Lincoln 250, LPG power. It has the next size up engine, plus the vaporizer, propane regulator, and propane carborator.

    I suspect, to get an equivalent output LPG engine, takes more than just a conversion kit.

    Leave a comment:


  • DOCDENT
    replied
    this welder is a steal of a deal if i can find a kit new or used.....heres the reply i received earlier from miller.....




    Doc,

    Thank you for your inquiry.

    Miller Electric does not offer a conversion kit for your machine. I recommend contacting the engine manufacturer for more information.

    Thank you,

    Brian Schmidt
    Customer Service
    Miller Electric Mfg Co.
    920-735-4384

    Leave a comment:


  • Desertrider33
    replied
    Miller made an LP version of your gas Bobcat. I'm sure they could sell you all the parts to convert your machine, however, it may be alot more expensive to convert it than to just trade in your gas Bobcat for an LP one, or sell it outright and buy one outright.

    Leave a comment:


  • DOCDENT
    replied
    doin that now

    Leave a comment:


  • davedarragh
    replied
    Originally posted by DOCDENT View Post
    23 HP KOHLER
    MODEL CH23S
    674 cc ENGINE
    MANU. DATE 7-11-06

    DOES ANYONE KNOW WHERE I CAN PURCHASE A KIT FOR THIS UNIT ? IT IS CURRENTLY A GASOLINE ENGINE AND AM NEEDING A LP CONVERSION KIT REALLY FAST ANY HELP WOULD BE GREATLY APPRECIATED !

    DOC
    Have you contacted Miller's Engine Drive Department, and ask if one is available?

    Leave a comment:

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