oldspwr Posted January 5, 2022 Share Posted January 5, 2022 There was a discussion in the antique group in regards to 'Old Mack Engine' and Brockway's Huskidrive was mentioned. This is when Brockway used a custom torque 270 Cummins, a 5 speed Fuller trans and a 2 speed rear. Brockway used (2) dogs on each grill to symbolize this, both on the conventional and cabover trucks. It was also carried over the the 700 series trucks but fairly uncommon. Here is the factory literature... 2 Quote Link to comment Share on other sites More sharing options...
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Brocky Posted January 5, 2022 Share Posted January 5, 2022 Thanks Tom!! It is more info than I knew.. Quote Brocky Link to comment Share on other sites More sharing options...
67RModel Posted January 5, 2022 Share Posted January 5, 2022 Was the tandem axle option a single drive 2 speed rear with a "dead leg" or a live tandem both having 2 speeds? Quote Link to comment Share on other sites More sharing options...
Mark T Posted January 5, 2022 Share Posted January 5, 2022 Live tandem twin screw. Little 34000 pound Eatons with the round housing I believe Quote Link to comment Share on other sites More sharing options...
67RModel Posted January 5, 2022 Share Posted January 5, 2022 1 hour ago, Mark T said: Live tandem twin screw. That is kind of nuts when you think about it. Could you imagine the carnage if you flipped the switch to engage Husky Drive and for whatever reason only one of the differentials went into high range? Were they air operated or electric 2 speeds? All the 2 speed Eaton "Double Duty" axles I drove in medium duty ford F700s were electric and I remember several 2 speed motor failures. Quote Link to comment Share on other sites More sharing options...
Jamaican Bulldog Posted January 5, 2022 Share Posted January 5, 2022 Interesting knowledge. For some reason I thought the 2 huskies ornament meant it had V12. Also it was interesting that this concept would compete with the Maxidyne concept at Mack. Did Mack own Brockway at the time it was developed? Quote Link to comment Share on other sites More sharing options...
mrsmackpaul Posted January 5, 2022 Share Posted January 5, 2022 3 hours ago, 67RModel said: That is kind of nuts when you think about it. Could you imagine the carnage if you flipped the switch to engage Husky Drive and for whatever reason only one of the differentials went into high range? Were they air operated or electric 2 speeds? All the 2 speed Eaton "Double Duty" axles I drove in medium duty ford F700s were electric and I remember several 2 speed motor failures. Not as crazy as you might think, Eaton did exactly what your suggesting https://archive.commercialmotor.com/article/6th-november-1964/60/now-eaton-three-speed-axles Swishman shared the brouchurs for this on a Australian truck forum some years ago, first I had heard of it Perhaps if he see's this he might be kind enough to share here as well Paul 1 Quote Link to comment Share on other sites More sharing options...
67RModel Posted January 5, 2022 Share Posted January 5, 2022 Yes Mack owned Brockway at this time. Mack purchased them in 1956 and kept them an independent operation up until the were dissolved in 1977. Quote Link to comment Share on other sites More sharing options...
Mark T Posted January 5, 2022 Share Posted January 5, 2022 6 hours ago, 67RModel said: That is kind of nuts when you think about it. Could you imagine the carnage if you flipped the switch to engage Husky Drive and for whatever reason only one of the differentials went into high range? Were they air operated or electric 2 speeds? All the 2 speed Eaton "Double Duty" axles I drove in medium duty ford F700s were electric and I remember several 2 speed motor failures. (lol) I have a '21 Peterbilt with the same set up, except I use a 10 speed Quote Link to comment Share on other sites More sharing options...
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