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  1. #1
    Platinum Member RayCo's Avatar
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    Jul 2005
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    Chester County, PA
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    Kubota BX24

    Default What does "bolt circle" refer to?

    Hi.

    In a description of a tractor engine, such as this one, Honda V-Twin Horizontal OHV Engine with Electric Start — 670cc, GX Series, 1 1/8in. x 3.54in. Shaft, Model# GX670RTDW | 670cc | Northern Tool + Equipment
    the specs indicate that has a bolt circle of 5, 6.5, 7.75. Can anyone tell me what this is a measurement of? What is this "bolt circle" spec?


    Thank you
    Ray
    BX24

  2. #2
    Elite Member
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    Northwest, WA

    Default Re: What does "bolt circle" refer to?

    It's the circular mount pattern on output side of the block.

    (tagged in red)
    Last edited by Willl; 02-03-2011 at 07:17 PM.
    ::Sent from a standard desktop keyboard::

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  3. #3
    Veteran Member banjodunn's Avatar
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    Jun 2008
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    1,382
    Location
    Ararat Vic Aus

    Default Re: What does "bolt circle" refer to?

    G'day it is also known as pitch circle diameter ( PCD )


    Jon

  4. #4
    Platinum Member RayCo's Avatar
    Join Date
    Jul 2005
    Posts
    983
    Location
    Chester County, PA
    Tractor
    Kubota BX24

    Default Re: What does "bolt circle" refer to?

    Got it, cool. Thank you both.
    Ray
    BX24

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