JerseeJerry55 Posted January 11, 2018 Share Posted January 11, 2018 Afternoon all hope everyone is well. Firstly thank you for adding me to your group. I do have a question that I hope someone can answer. For the old APA trucking company Mack Rmodel tractors is it true that only one twin screw R had the verticle exhaust stack. And all others (single and dual drive) ran the exhaust under the frame? Thank you. Jerry Quote Link to comment https://www.bigmacktrucks.com/topic/52191-question-in-regard-to-apa-mack-r-model-macks/ Share on other sites More sharing options...
j hancock Posted January 11, 2018 Share Posted January 11, 2018 I have heard the same thing but can't really confirm the authenticity. APA had Ford LN's with and without stacks. Quite a few LTL shippers went with weedburners because it took weight out of the trucks, were less money to buy and kept the nose of the trailers cleaner. Quote JimIt doesn't cost anything to pay attention. Link to comment https://www.bigmacktrucks.com/topic/52191-question-in-regard-to-apa-mack-r-model-macks/#findComment-389483 Share on other sites More sharing options...
JerseeJerry55 Posted January 11, 2018 Author Share Posted January 11, 2018 1 minute ago, j hancock said: I have heard the same thing but can't really confirm the authenticity. APA had Ford LN's with and without stacks. Quite a few LTL shippers went with weedburners because it took weight out of the trucks, were less money to buy and kept the nose of the trailers cleaner. Thanks Jim. In doing research it seems that a lot of the APA R model pics I have come across were running "non verticle" exhausts. Quote Link to comment https://www.bigmacktrucks.com/topic/52191-question-in-regard-to-apa-mack-r-model-macks/#findComment-389484 Share on other sites More sharing options...
james j neiweem Posted January 12, 2018 Share Posted January 12, 2018 Saw a lot of APA Macks in my time. Never saw a vertical stack on an R or a CH. Quote Link to comment https://www.bigmacktrucks.com/topic/52191-question-in-regard-to-apa-mack-r-model-macks/#findComment-389527 Share on other sites More sharing options...
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