dyna super 40 diffs 02 peterbilt

Discussion in 'Trucker Forum Classifieds & Trading Post' started by 99pete379, Dec 23, 2013.

  1. allan5oh

    allan5oh Road Train Member

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    Jan 6, 2010
    Winnipeg, mb
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    No it's several steps above. Super 40s are the heaviest 40k diffs you can buy. They're good for big torque, big horsepower, and 160k GCW. Regular 404's are only good for around 80k GCW. Super 40s are required for pulling Super B's up here.

    Are these still for sale? I might be interested.
     
    that65 Thanks this.
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