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Old 01-20-2016, 10:17 AM   #61
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Also, what is better ? MT643 OR AT545 ? keepi g our optioms opened but I need to be educated on the matter.

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Old 01-20-2016, 10:35 AM   #62
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MT643 definately is better, heavier duty transmission and locks up in 3rd and 4th gear so you get a little better gas mileage.
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Old 01-20-2016, 10:37 AM   #63
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Join Date: Feb 2007
Location: NUNYA
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Year: 1995
Coachwork: Thomas
Chassis: 3800
Engine: DT408, AT545
Rated Cap: 23 500 gvw
The AT is a lighter duty transmission with no lockup in 4th gear. This will be worse for fuel economy on the freeway. Go with the MT643.
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Old 01-20-2016, 10:41 AM   #64
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You guys rock. Thank you now, is the Cummins 6BTA5.9L 210hp be ok to tow an additional vehicle ?
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Old 01-20-2016, 11:39 AM   #65
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Ok .. looks like we are getting bus #1 ... will add a loft to get a bit more space since we have a big fam. Thank you all for your advice.
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