Bigdogtrucker Posted September 1, 2013 Share Posted September 1, 2013 When did box trailers start going from the rounded fronts to square? Quote Link to comment Share on other sites More sharing options...
blackdog2 Posted September 1, 2013 Share Posted September 1, 2013 early 70s 1 Quote Ed Link to comment Share on other sites More sharing options...
RowdyRebel Posted September 2, 2013 Share Posted September 2, 2013 I'd guess around the time when engines finally had enough power to overcome the aerodynamic drag. Length laws might have played a role in the change, too...rounding the nose allowed 'em to ride closer to the cab of the truck for a shorter overall length, and when overall length limits were relaxed, trailer length limits meant maximizing cargo space in the allowed dimensions, which meant squaring things off. Funny how things cycle around, though...the 2011 end dump I'm pulling now has a rounded nose for fuel efficiency. I bet it'd look mighty slick being pulled by a B... Quote When approaching a 4-way stop, the vehicle with the biggest tires has the right of way! Link to comment Share on other sites More sharing options...
farmer52 Posted September 2, 2013 Share Posted September 2, 2013 My guess is the late 60s. I have a plastic model that is from that era...Fruehauf square nose van. Quote Ken PRR Country and Charter member of the "Mack Pack" Link to comment Share on other sites More sharing options...
b61mack Posted September 2, 2013 Share Posted September 2, 2013 My guess is the late 60s. I have a plastic model that is from that era...Fruehauf square nose van.I have a 69 Fruehauf 40' long 13' high that has a flat nose. Quote Link to comment Share on other sites More sharing options...
Superdog Posted September 3, 2013 Share Posted September 3, 2013 I have a '47 Gramm that's square front Quote Link to comment Share on other sites More sharing options...
2stacksuperdog Posted September 3, 2013 Share Posted September 3, 2013 when they started palletizing they used the square fronts to maximize space Quote Matt Link to comment Share on other sites More sharing options...
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