old soldier Posted May 28 Share Posted May 28 1974 Mack F785. I am investigating the best route to retrofitting power steering on the old truck. The question is: was power steering available back then such that I could find (maybe) a junk truck that is equipped with power steering and obtain the parts (or at least understand what I am going to have to buy to get it done), or does that air assist work well enough to rely on? Thank you very much. Quote Link to comment https://www.bigmacktrucks.com/topic/74193-a-question-about-power-steering-if-you-please/ Share on other sites More sharing options...
Freightrain Posted May 28 Share Posted May 28 Power assist steering was available on most any trucks even back in the 50s. Back then it was just a hydraulic ram, just like air steering. True power steering was always better. I don't know what year it became available? I have air steering on my B. It is better then nothing. There are no parts available for them so I would not suggest going that route. Quote Larry 1959 B61 Liv'n Large...................... Charter member of the "MACK PACK" Link to comment https://www.bigmacktrucks.com/topic/74193-a-question-about-power-steering-if-you-please/#findComment-552681 Share on other sites More sharing options...
JoeH Posted May 28 Share Posted May 28 Power steering pump should run off the backside of the air compressor. I'm going to take a guess and say an R700 gearbox might fit your F700? Assuming you stay in the same axle weight ratings. Quote Link to comment https://www.bigmacktrucks.com/topic/74193-a-question-about-power-steering-if-you-please/#findComment-552688 Share on other sites More sharing options...
yarnall Posted May 29 Share Posted May 29 My 64 F715 had power steering. I don’t know anything about it but it sure is nice to have. I know that is of no help. Quote Link to comment https://www.bigmacktrucks.com/topic/74193-a-question-about-power-steering-if-you-please/#findComment-552712 Share on other sites More sharing options...
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