Popular Post ColoradoDriver Posted April 17, 2022 Popular Post Share Posted April 17, 2022 Hello all, my name is Miguel, new here. I've been a fan of Mack since I started working on and driving big trucks 10 years ago. I finally purchased my first mack, A 1975 mack r685st. Needs work, but I will have it restored and to work soon enough. I'm here to tap in to the vast amount of knowledge on these amazing dogs. My truck has had the dash removed and all wiring cut out, but still started and drove home with no issues. I'm glad to be here. 4 5 Quote Link to comment https://www.bigmacktrucks.com/topic/69557-1975-mack-r685st-gold-dog/ Share on other sites More sharing options...
Mark T Posted April 17, 2022 Share Posted April 17, 2022 Welcome, that truck looks to be in very good shape for it's age. From the pictures ??? looks like it's not rotted and it's hood looks to be nice too. I like it. 1 Quote Link to comment https://www.bigmacktrucks.com/topic/69557-1975-mack-r685st-gold-dog/#findComment-495536 Share on other sites More sharing options...
ColoradoDriver Posted April 17, 2022 Author Share Posted April 17, 2022 Thank you. Yeah not much rust, there's a few small holes but nothing that I cant take care of. From what I was told she spent most her life on a peanut farm in southern New Mexico, so thankfully not much humidity down there. Quote Link to comment https://www.bigmacktrucks.com/topic/69557-1975-mack-r685st-gold-dog/#findComment-495542 Share on other sites More sharing options...
Robo987 Posted April 22, 2022 Share Posted April 22, 2022 You should post up some pics of the interior when you get a chance. 1 Quote Link to comment https://www.bigmacktrucks.com/topic/69557-1975-mack-r685st-gold-dog/#findComment-495858 Share on other sites More sharing options...
ColoradoDriver Posted April 23, 2022 Author Share Posted April 23, 2022 I have a bunch of pictures on this topic, if you interested in any other in cab pictures let me know and I can post them 1 Quote Link to comment https://www.bigmacktrucks.com/topic/69557-1975-mack-r685st-gold-dog/#findComment-495907 Share on other sites More sharing options...
Vladislav Posted April 23, 2022 Share Posted April 23, 2022 Welcome to BMT! Nice looking old R-model. And looks like the truck has plenty of potential. Wish you good luck on bringing it into working order. Also would be cool if you not limit your activities with just making it road worthy but also find resources to improve the look. This way you may please lovers of old Macks and also jobs you're going to do will be done with pride. Dash panels you're looking for is relatively easy assembling stuff. If I were you I'd start looking for a set of parts over junk yards. Preferraby still installed on a truck. Of what I saw on the pics you posted in another thread you would need a steel channel which goes from the left door sill to the right one. There's a piece of angle steel or so installed there at the moment since some previouse owner needed something to put parking brake knobs into. But factory dash wouldn't fit on it. Also there used to be a heater box which installs right below the dash. R-model was made the way the heater is a separate part so you can assemble all the dash without and put it later on. Vlad Quote Никогда не бывает слишком много грузовиков! leversole 11.2012 Link to comment https://www.bigmacktrucks.com/topic/69557-1975-mack-r685st-gold-dog/#findComment-495913 Share on other sites More sharing options...
ColoradoDriver Posted April 23, 2022 Author Share Posted April 23, 2022 6 hours ago, Vladislav said: Welcome to BMT! Nice looking old R-model. And looks like the truck has plenty of potential. Wish you good luck on bringing it into working order. Also would be cool if you not limit your activities with just making it road worthy but also find resources to improve the look. This way you may please lovers of old Macks and also jobs you're going to do will be done with pride. Dash panels you're looking for is relatively easy assembling stuff. If I were you I'd start looking for a set of parts over junk yards. Preferraby still installed on a truck. Of what I saw on the pics you posted in another thread you would need a steel channel which goes from the left door sill to the right one. There's a piece of angle steel or so installed there at the moment since some previouse owner needed something to put parking brake knobs into. But factory dash wouldn't fit on it. Also there used to be a heater box which installs right below the dash. R-model was made the way the heater is a separate part so you can assemble all the dash without and put it later on. Vlad Thank you, I will definitely make her something to be proud of. I'm waiting for a response from the Mack history museum to see if maybe they have the original colors and specs. If not I want to emphasize the gold, I'm thinking either white and gold or black and gold. She will definitely be show worthy. I will be posting a thread in another topic of my progress. 1 Quote Link to comment https://www.bigmacktrucks.com/topic/69557-1975-mack-r685st-gold-dog/#findComment-495929 Share on other sites More sharing options...
1958 F.W.D. Posted May 3, 2022 Share Posted May 3, 2022 (edited) On 4/23/2022 at 11:26 AM, ColoradoDriver said: I'm waiting for a response from the Mack history museum to see if maybe they have the original colors and specs. Have you submitted the request through the website? That's the only way archive requests are fulfilled; in order to maintain fairness. Requests are fulfilled in the order in which received and usually run 4-6 weeks to process. Good looking truck by the way, not a lot of rot. Should be a fairly easy restoration. How are the mechanicals? Edited May 3, 2022 by 1958 F.W.D. Quote TWO STROKES ARE FOR GARDEN TOOLS Link to comment https://www.bigmacktrucks.com/topic/69557-1975-mack-r685st-gold-dog/#findComment-496576 Share on other sites More sharing options...
ColoradoDriver Posted May 7, 2022 Author Share Posted May 7, 2022 On 5/3/2022 at 7:45 AM, 1958 F.W.D. said: Have you submitted the request through the website? That's the only way archive requests are fulfilled; in order to maintain fairness. Requests are fulfilled in the order in which received and usually run 4-6 weeks to process. Good looking truck by the way, not a lot of rot. Should be a fairly easy restoration. How are the mechanicals? I did submit a request, its been a few weeks now. I'm patiently waiting. Yeah the truck has very little rust, nothing I can't take care of myself, mechanically the truck is sound, only two things I can find that need work are one of hub caps is cracked, its a female screw on type. I haven't been able to find one yet. And while warming up I get an idle surge, im sure it's either the governor weights or throttle springs. Seems to go away at operating temp, maybe old fuel too. Anyway its a solid truck, a little elbow grease and patients and it'll be back to doing what it's ment to. Quote Link to comment https://www.bigmacktrucks.com/topic/69557-1975-mack-r685st-gold-dog/#findComment-496900 Share on other sites More sharing options...
mowerman Posted May 7, 2022 Share Posted May 7, 2022 Missed this somehow… nice catch bud have a ball with it….. Bob Quote Link to comment https://www.bigmacktrucks.com/topic/69557-1975-mack-r685st-gold-dog/#findComment-496937 Share on other sites More sharing options...
Mr. Buck Posted July 25, 2022 Share Posted July 25, 2022 Nice. Good luck with the dash. Quote Link to comment https://www.bigmacktrucks.com/topic/69557-1975-mack-r685st-gold-dog/#findComment-504200 Share on other sites More sharing options...
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