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New transmission for the freightliner!

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Uploaded by on Oct 19, 2011

We picked up a 5 speed spicer overdrive main box. Now it won't be fire walled at 60 anymore! Should do about 80 mph top speed now and use much less fuel on the freeway. Oh and got to love this, the overdrive is slammed into your knee.

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Autos & Vehicles

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Uploader Comments (Hotrodx199)

  • so with that trans & 5.29 rears the 250 NHC will do 60@ 1550? Correct me if I am wrong

  • @alex189100 Sounds about right. It did about 1900 doing 55.

  • The ole Man is gonna win the drags at woodburn next years for sure,Thanks for another great vid Kerb!!!!

  • @ldc71960 Sure thing!

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All Comments (10)

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  • where is the old goat(Freightliner) havent seen a vid in a long time

  • Id like to get a 7 speed spicer overdrive...I have a 5.9 cummins for my 78 with an SAE bell housing so id like to use it and I want at least 6 gears so I only have about 600 or so rpm drop between each shift...it might be a little overkill for an f250

  • I had a Kenworth model W-925 with a 4x4 Spicer & a 6.50:1 rear end....it could do 55 mph...the gears were really merciful on the Cummins NH 220. I have pulled over 40 tons in 4th Over, but sacrificed steering...I could steer in 3rd Over but that's far too slow for freeway driving...

  • It will be a little easier to swap in a cabover.Love your videos man.

  • I have a 7 spd one out of my 95 international but it's a direct in high gear would sell for 500.00 dollars.

  • Kerby, congrats! Maybe it'll be easier to gear properly.

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