mackr1989 Posted March 30, 2018 Share Posted March 30, 2018 which will out perform the other, a mack tandem dump with a 400 18 speed..75mph truck or a pete tandem dump with a 500 cummins 6 speed allison that will do the same speed. Quote Link to comment Share on other sites More sharing options...
0 kscarbel2 Posted March 30, 2018 Share Posted March 30, 2018 Insufficient information, apples and oranges comparison. 1 Quote Link to comment Share on other sites More sharing options...
0 Mack Technician Posted April 8, 2018 Share Posted April 8, 2018 Question of priority.... Mack 400 will make more money. cummins 500 will gitcha the girls and spare your clutch foot. 1 Quote Link to comment Share on other sites More sharing options...
0 2000CL713 Posted April 8, 2018 Share Posted April 8, 2018 when i had both autos and manuals in mack trucks. 2- 375hp allison 6spds auto VS 2-460/427 eaton 8spd manuals. the autos would do circles around the manuals around town and off-road (dirt/sand/mud). the manuals just couldn't keep up. on the highway it was the other way around. manuals owned that, all 4 where tri axle dumps. 1 Quote Link to comment Share on other sites More sharing options...
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mackr1989
which will out perform the other, a mack tandem dump with a 400 18 speed..75mph truck or a pete tandem dump with a 500 cummins 6 speed allison that will do the same speed.
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