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Mack t2080 transmission?? Mack Beam suspension??? Mack Fan ?? Frame???


Sehka77
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Hello have a question regarding  Mack t2080 ? I understand its a 8 speed 123 low and 12345 high?  How should you shift this transmission? Use all 8 speeds? Also I am able to use/ shift  12345 low and 12345 high. Is doing this bad  to the  transmission??  I confirmed its t2080 from dealer so not sure why I use 4&5 in low as well ? Is Mack beam suspension 80k capacity? Or what's the capacity? Also have Mack  Fan in truck has heater/ aC  but to ac compressor anywhere is this really an a/c unit or how does it work ? Also truck has single frame looks to be about 3/8 inch  is this heavy duty whats the capacity? Thanks  everyone 

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Edited by Sehka77
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Ok did you see the manual Phil dirt provided ? Says not to use any gear higher than 3low to start off ? So I can use high gears when empty  to start off ? It'sa 6 axle dump truck  hauling 23 tons .. has 20k front , e6 300 , mack t2080 , mack rears (3) 8k pushers and not sure if theirs 44k rears with I thought it was sw80 suspension  walking beam suspension? Not sure but I driven truck empty high gears only like a 5 speed does goods. Loaded I drive  it 12345 low and then 12345 high not sure why I'm able to use extra 2 gears in low but I'm able to 

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8 hours ago, Sehka77 said:

. Loaded I drive  it 12345 low and then 12345 high not sure why I'm able to use extra 2 gears in low but I'm able to 

Driving It like this is not Progressive .. When you go from 5 low to 1 high you're actually going Down 2 gears..See the two gears in (Brackets)

 

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