Popular Post DSQUI Posted June 28, 2023 Popular Post Share Posted June 28, 2023 In Brazil you can find Mack trucks in hundreds, since 1929. There are some that are preserved, in the old photo, the PERFEX, which was the largest in indivisible loads around here! 4 3 Quote Link to comment https://www.bigmacktrucks.com/topic/72984-mack-trucks-in-brazil/ Share on other sites More sharing options...
Big R Posted June 28, 2023 Share Posted June 28, 2023 Thanks for sharing the pics Quote Link to comment https://www.bigmacktrucks.com/topic/72984-mack-trucks-in-brazil/#findComment-533733 Share on other sites More sharing options...
mechohaulic Posted June 28, 2023 Share Posted June 28, 2023 excellent photos; but I have to ask= the B-81 has guide poles on front steer axle which look to be part of a back up bell '??? purpose is ?? Quote Link to comment https://www.bigmacktrucks.com/topic/72984-mack-trucks-in-brazil/#findComment-533758 Share on other sites More sharing options...
mechohaulic Posted June 28, 2023 Share Posted June 28, 2023 also back wheels have same .noticed after I enlarged photo ;; why ?? Quote Link to comment https://www.bigmacktrucks.com/topic/72984-mack-trucks-in-brazil/#findComment-533759 Share on other sites More sharing options...
mechohaulic Posted June 28, 2023 Share Posted June 28, 2023 also back wheels have same .noticed after I enlarged photo ;; why ?? Quote Link to comment https://www.bigmacktrucks.com/topic/72984-mack-trucks-in-brazil/#findComment-533760 Share on other sites More sharing options...
mechohaulic Posted June 28, 2023 Share Posted June 28, 2023 the perfex B-81 has it's work cut out hauling the transformer. way in back large set of wheels must be a loader for pushing help. Quote Link to comment https://www.bigmacktrucks.com/topic/72984-mack-trucks-in-brazil/#findComment-533761 Share on other sites More sharing options...
tjc transport Posted June 29, 2023 Share Posted June 29, 2023 11 hours ago, mechohaulic said: excellent photos; but I have to ask= the B-81 has guide poles on front steer axle which look to be part of a back up bell '??? purpose is ?? 11 hours ago, mechohaulic said: also back wheels have same .noticed after I enlarged photo ;; why ?? that is a tire auto inflation system. the "bell" on the fronts is probably some sort of rotating system to prevent line from deforming/breaking when steering. 1 Quote when you are up to your armpits in alligators, it is hard to remember you only came in to drain the swamp.. Link to comment https://www.bigmacktrucks.com/topic/72984-mack-trucks-in-brazil/#findComment-533801 Share on other sites More sharing options...
mechohaulic Posted June 29, 2023 Share Posted June 29, 2023 I've seen auto inflate system ; don't remember them looking like those. front line on steer must be a swivel joint on top . Quote Link to comment https://www.bigmacktrucks.com/topic/72984-mack-trucks-in-brazil/#findComment-533809 Share on other sites More sharing options...
tjc transport Posted June 29, 2023 Share Posted June 29, 2023 Yup, top has a slight swivel to it. We had that setup on an old Brockway tractor many many many moons ago. it was a late 60's very early 70's tandem with 290 Cummins and 18 speed. And a gazillion miles on it. 1 1 Quote when you are up to your armpits in alligators, it is hard to remember you only came in to drain the swamp.. Link to comment https://www.bigmacktrucks.com/topic/72984-mack-trucks-in-brazil/#findComment-533812 Share on other sites More sharing options...
BOB DINGSDALE Posted June 29, 2023 Share Posted June 29, 2023 first mack with transformer on looks like planatary rears and 1400x24 tires. also has square top rad tank so could be a B-87 Quote Link to comment https://www.bigmacktrucks.com/topic/72984-mack-trucks-in-brazil/#findComment-533822 Share on other sites More sharing options...
mechohaulic Posted July 2, 2023 Share Posted July 2, 2023 question on the white DM-800 . fuel tanks mounted on frame ( weight transfer?). exhaust brought back towards weight box = different . question is - what/why the unit on air cleaner intake pipe under intake bonnet??? a precleaner or a type of turbo to intake more air?? must be high horse power ! can't recall ever seeing such a set up Quote Link to comment https://www.bigmacktrucks.com/topic/72984-mack-trucks-in-brazil/#findComment-533998 Share on other sites More sharing options...
tjc transport Posted July 2, 2023 Share Posted July 2, 2023 that white DM is more a prime mover than an on road truck. planetary rear axles, and 14-24 wheels. i have used those air intakes before, the ones we had were pre filters. trapped the dust to prevent clogging the primary air filter beneath it 1 Quote when you are up to your armpits in alligators, it is hard to remember you only came in to drain the swamp.. Link to comment https://www.bigmacktrucks.com/topic/72984-mack-trucks-in-brazil/#findComment-533999 Share on other sites More sharing options...
mowerman Posted July 2, 2023 Share Posted July 2, 2023 Excellent thanks for that… Bob Quote Link to comment https://www.bigmacktrucks.com/topic/72984-mack-trucks-in-brazil/#findComment-534004 Share on other sites More sharing options...
Vladislav Posted July 3, 2023 Share Posted July 3, 2023 Yup, as said above! The DM looks very clean. And one interesting A-model concrete mixer. I see it's stored inside. Is that any museum or a private collection? Vlad Quote Никогда не бывает слишком много грузовиков! leversole 11.2012 Link to comment https://www.bigmacktrucks.com/topic/72984-mack-trucks-in-brazil/#findComment-534077 Share on other sites More sharing options...
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