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Mack Model numbers???

A

Actioninc

Active Member
Joined
Dec 30, 2008
Messages
31
Location
Midwest
What is the difference between an rd690 and a rd688? I have looked around and there are various answers to this....
 
A

Actioninc

Active Member
Joined
Dec 30, 2008
Messages
31
Location
Midwest
miro said:
They have different engines. the last two numbers designate engine
Click to expand...

Thanks miro!

Does anyone know if there is different variations in E6 or E7 motors? (maxidyne, econodyne? etc) Looking for a mid to late nineties Mack dump truck. Whats the best setup?
 
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