mackdaddy Posted December 15, 2017 Share Posted December 15, 2017 I am aware of the original R cab and then the 3+ cab later in the 70's. I have an R-700 series with the 3+ cab but it has a different body line than my superliners. How many changes were made to the R cab? Quote Link to comment https://www.bigmacktrucks.com/topic/51962-r-model-cabs/ Share on other sites More sharing options...
j hancock Posted December 17, 2017 Share Posted December 17, 2017 Is the Super being prepared for a respray? Quote JimIt doesn't cost anything to pay attention. Link to comment https://www.bigmacktrucks.com/topic/51962-r-model-cabs/#findComment-387602 Share on other sites More sharing options...
Popular Post Hayseed Posted December 17, 2017 Popular Post Share Posted December 17, 2017 (edited) Here in Australia ,We also had a Full Fibreglass Cab as An option in the early 70's. pretty sure the '74 Oil Crisis made the resin Too expensive for the cab to be affordable. I think there was only 35-50 Made.. BISTBC Edited December 17, 2017 by Hayseed fixed pics 3 Quote "Be who you are and say what you feel...Because those that matter...don't mind...And those that mind....don't matter." - Link to comment https://www.bigmacktrucks.com/topic/51962-r-model-cabs/#findComment-387604 Share on other sites More sharing options...
Jamaican Bulldog Posted December 17, 2017 Share Posted December 17, 2017 1 hour ago, Hayseed said: Here in Australia ,We also had a Full Fibreglass Cab as An option in the early 70's. pretty sure the '74 Oil Crisis made the resin Too expensive for the cab to be affordable. I think there was only 35-50 Made.. BISTBC Wow! What was the reasoning for the fiberglass R model cab? Weight? Quote Link to comment https://www.bigmacktrucks.com/topic/51962-r-model-cabs/#findComment-387608 Share on other sites More sharing options...
Maddog13407 Posted December 17, 2017 Share Posted December 17, 2017 interesting that glass cab has no rain gutters and the back cab corners have been notched out for the fuel tank brackets, I guess it sits lower so they had to notch it? I have also noticed differences in the US made R model cabs as Mack daddy said, some have that body line and some plus 3's dont Quote Link to comment https://www.bigmacktrucks.com/topic/51962-r-model-cabs/#findComment-387614 Share on other sites More sharing options...
Hayseed Posted December 17, 2017 Share Posted December 17, 2017 1 hour ago, Jamaican Bulldog said: Wow! What was the reasoning for the fiberglass R model cab? Weight? RUST.... They originally were built for a Sand mining/Quarrying Company. I think some also went to a Salt Mine.. 2 Quote "Be who you are and say what you feel...Because those that matter...don't mind...And those that mind....don't matter." - Link to comment https://www.bigmacktrucks.com/topic/51962-r-model-cabs/#findComment-387617 Share on other sites More sharing options...
Hayseed Posted December 17, 2017 Share Posted December 17, 2017 1 hour ago, Maddog13407 said: the back cab corners have been notched out for the fuel tank brackets, I'm pretty sure that the early "Long Cabs" here also had that Cutout.. Swishy should Know. I think he has one of each in his Shed/Yard.. Quote "Be who you are and say what you feel...Because those that matter...don't mind...And those that mind....don't matter." - Link to comment https://www.bigmacktrucks.com/topic/51962-r-model-cabs/#findComment-387618 Share on other sites More sharing options...
Swishy Posted December 17, 2017 Share Posted December 17, 2017 (edited) No Seed Only the one 'R'model the mack COE 'F' model had a full FG Cab most noticeable by the support strut go n from mirror to near the lower section of door the L8r model had FG cab with steel doors n no mirror support [/img] I'm not aware of a full FG 'R' model cab cya §wishy Edited December 17, 2017 by Swishy 1 Quote Link to comment https://www.bigmacktrucks.com/topic/51962-r-model-cabs/#findComment-387619 Share on other sites More sharing options...
Hayseed Posted December 17, 2017 Share Posted December 17, 2017 33 minutes ago, Swishy said: No Seed Only the one 'R'model Sorry Mate, Must be getting "Oldtimers" disease Quote "Be who you are and say what you feel...Because those that matter...don't mind...And those that mind....don't matter." - Link to comment https://www.bigmacktrucks.com/topic/51962-r-model-cabs/#findComment-387620 Share on other sites More sharing options...
Swishy Posted December 17, 2017 Share Posted December 17, 2017 Also Known AZ C.R.A.F.T. disease LOL cya §wishy 1 Quote Link to comment https://www.bigmacktrucks.com/topic/51962-r-model-cabs/#findComment-387621 Share on other sites More sharing options...
j hancock Posted December 17, 2017 Share Posted December 17, 2017 Thinking about the original body line question, is that the +3 cab that you put the early metal dash into for the ex Mary Hitchings R-719? I remember you mentioned that there were a cazzillion spot welds that had to be cut. Do you recall the year of the donor +3 cab? Quote JimIt doesn't cost anything to pay attention. Link to comment https://www.bigmacktrucks.com/topic/51962-r-model-cabs/#findComment-387634 Share on other sites More sharing options...
Jamaican Bulldog Posted December 17, 2017 Share Posted December 17, 2017 12 hours ago, Hayseed said: RUST.... They originally were built for a Sand mining/Quarrying Company. I think some also went to a Salt Mine.. Oh, makes sense. That would have been an advantage too for us too in the Caribbean islands with all the salt air. Quote Link to comment https://www.bigmacktrucks.com/topic/51962-r-model-cabs/#findComment-387638 Share on other sites More sharing options...
Lmackattack Posted December 17, 2017 Share Posted December 17, 2017 never noticed any differences in the sides of a +3 cab. Did you restore that truck? or Is it possible that when it was restored that it was modified? or aftermarket panel was installed? Quote Link to comment https://www.bigmacktrucks.com/topic/51962-r-model-cabs/#findComment-387643 Share on other sites More sharing options...
Vladislav Posted December 17, 2017 Share Posted December 17, 2017 I also always count 3+ cab had that side line and the short ones didn't BTW were the roofs different too? Quote Никогда не бывает слишком много грузовиков! leversole 11.2012 Link to comment https://www.bigmacktrucks.com/topic/51962-r-model-cabs/#findComment-387656 Share on other sites More sharing options...
j hancock Posted December 17, 2017 Share Posted December 17, 2017 3 hours ago, Vladislav said: BTW were the roofs different too? Yes, there is an flat back cab roof and a +3 roof. 1 Quote JimIt doesn't cost anything to pay attention. Link to comment https://www.bigmacktrucks.com/topic/51962-r-model-cabs/#findComment-387673 Share on other sites More sharing options...
41chevy Posted December 18, 2017 Share Posted December 18, 2017 The grab rails are different also. One cabs grab rails are shorter, but I don't remember which cab, plus 3 or original cab. Paul 1 Quote "OPERTUNITY IS MISSED BY MOST PEOPLE BECAUSE IT IS DRESSED IN OVERALLS AND LOOKS LIKE WORK" Thomas Edison “Life’s journey is not to arrive at the grave safely, in a well preserved body, but rather to skid in sideways, totally worn out, shouting ‘Holy shit, what a ride!’” P.T.CHESHIRE Link to comment https://www.bigmacktrucks.com/topic/51962-r-model-cabs/#findComment-387679 Share on other sites More sharing options...
41chevy Posted December 18, 2017 Share Posted December 18, 2017 On 12/16/2017 at 8:34 PM, Hayseed said: Here in Australia ,We also had a Full Fibreglass Cab as An option in the early 70's. pretty sure the '74 Oil Crisis made the resin Too expensive for the cab to be affordable. I think there was only 35-50 Made.. BISTBC http://truckmadpeople.smfforfree3.com/index.php/topic,174.0.html Being restored in New Zealand. Quote "OPERTUNITY IS MISSED BY MOST PEOPLE BECAUSE IT IS DRESSED IN OVERALLS AND LOOKS LIKE WORK" Thomas Edison “Life’s journey is not to arrive at the grave safely, in a well preserved body, but rather to skid in sideways, totally worn out, shouting ‘Holy shit, what a ride!’” P.T.CHESHIRE Link to comment https://www.bigmacktrucks.com/topic/51962-r-model-cabs/#findComment-387680 Share on other sites More sharing options...
Hayseed Posted December 18, 2017 Share Posted December 18, 2017 9 minutes ago, 41chevy said: http://truckmadpeople.smfforfree3.com/index.php/topic,174.0.html Being restored in New Zealand. That post is 9 Years Old, So It is anybodies guess if It Got Restored or Not?? Quote "Be who you are and say what you feel...Because those that matter...don't mind...And those that mind....don't matter." - Link to comment https://www.bigmacktrucks.com/topic/51962-r-model-cabs/#findComment-387683 Share on other sites More sharing options...
Kav Posted December 18, 2017 Share Posted December 18, 2017 Hi everybody, In the early 1980's we upgraded an R Model Cab from the short back to the long back and fitted the air bag to the back and the trunnion mounts under the front. This also involved remounting the bonnet hinges from the Radiator mounts to a direct Chassis mount and rollers were mounted on the front of the firewall to allow the cab to move in relation to the bonnet. The original tank mounting crossmembers were 2 inch square, which apparently went back to the B models. In the conversion to the Air suspension Cab the crossmember was changed to a 3inch high by 2inch RHS. If you hit a really big bump, the bottom corners could hit this crossmember, so a rubber buffer was fitted beside the air bag to limit this. The cutout in the Fibreglass cab gave plenty of clearance to stop this happening. To modify the cab for the deep back you needed a new roof and headlining, a new outer back panel and a new inner back panel and lining, possibly a new rear glass and the longer grabrails. Back then the Aircon was mounted on the roof so you had to put new reinforcing bars in the roof to support the unit. I still have the truck and use it occasionally. Just some memories. - Kav. 2 Quote Link to comment https://www.bigmacktrucks.com/topic/51962-r-model-cabs/#findComment-387684 Share on other sites More sharing options...
Swishy Posted December 18, 2017 Share Posted December 18, 2017 The NuuZeelund one haz the mirrors Not mounted to the door That'z one way to stop the rattlin n bouncin mirror on the door cya §wishy 1 Quote Link to comment https://www.bigmacktrucks.com/topic/51962-r-model-cabs/#findComment-387686 Share on other sites More sharing options...
j hancock Posted December 18, 2017 Share Posted December 18, 2017 10 hours ago, 41chevy said: The grab rails are different also. One cabs grab rails are shorter, but I don't remember which cab, plus 3 or original cab. Paul Short handles on the early cabs and long handles for the +3. Quote JimIt doesn't cost anything to pay attention. Link to comment https://www.bigmacktrucks.com/topic/51962-r-model-cabs/#findComment-387689 Share on other sites More sharing options...
Yoos Brothers Construction Posted December 18, 2017 Share Posted December 18, 2017 On 12/15/2017 at 1:33 AM, mackdaddy said: I am aware of the original R cab and then the 3+ cab later in the 70's. I have an R-700 series with the 3+ cab but it has a different body line than my superliners. How many changes were made to the R cab? I Know what your talking about. I know where there is an all original 1973 R600 fire truck local to me that is the same as Your R700 Dan. I thought it was strange too. I might even have a picture of it. Thanks, Josh Quote Link to comment https://www.bigmacktrucks.com/topic/51962-r-model-cabs/#findComment-387696 Share on other sites More sharing options...
Maddog13407 Posted December 19, 2017 Share Posted December 19, 2017 to further add to the confusion, didn't the Brockway version have the +3 but not that body line?? I know I have seen Mack +3's with and without that molding line Quote Link to comment https://www.bigmacktrucks.com/topic/51962-r-model-cabs/#findComment-387714 Share on other sites More sharing options...
Kav Posted December 19, 2017 Share Posted December 19, 2017 I checked the Cabs here and four of them had the line down the panel near the grab rail and the fifth, the 1976 Model is just a flat panel without a crease line. It was one of the first Models fitted with the deep Cab in Australia, so it could have been from a different supplier in the USA or a different order. They all have the long Grab-Rail. Cheers - Kav. 1 Quote Link to comment https://www.bigmacktrucks.com/topic/51962-r-model-cabs/#findComment-387717 Share on other sites More sharing options...
GreenGiant2 Posted December 19, 2017 Share Posted December 19, 2017 Yes there is brockway without crease in the back panel 1 Quote We the unwilling, Lead by the unqualified, are doing the impossible, for the ungrateful. Link to comment https://www.bigmacktrucks.com/topic/51962-r-model-cabs/#findComment-387727 Share on other sites More sharing options...
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