Rick01 Posted February 17, 2021 Share Posted February 17, 2021 Good morning, thanks for this information . I have always lived old Mack trucks. Just the sound was different when I was a kid , I could hear my dad coming down the road on his way home after a long day. I want a Mack but don’t know engines. I found a 99 model RD688s for sale. Please help me with this e7 engine Quote Link to comment https://www.bigmacktrucks.com/topic/65931-mack-truck-lover/ Share on other sites More sharing options...
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