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Unusual F-Model

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A friend of mine up in jersey went to a land/heavy equipment auction,saw this and thought it would be of interest to me. He was'nt able too find out much about it other than the fact its a mack. I have seen some pretty heavy duty F-models,but never one like this( not in the states anyway) i have seen some export models like this,mostly oilwell drilling,heavy-haul operations overseas,....any ideas?.........Mark

post-5836-069727300 1283622086_thumb.jpg

post-5836-018923100 1283622114_thumb.jpg

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I don't know, but it sure is a neat looking truck!

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I don't know, but it sure is a neat looking truck!

I thought so too,i'm still trying to figure out what that tank behind the cab is for,hydralic oil? we had an old end-dump trailer on the farm when i was a kid,bout the same size as the body on this truck!.looks to be all wheel drive too,looks like a differential under the front bumper?....Mark

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can't see the other side. Square tank looks like hyd. Round tank maybe fuel. Looks like an off road deal. Fuel tank don't get hit, dropped.

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I thought so too,i'm still trying to figure out what that tank behind the cab is for,hydralic oil? we had an old end-dump trailer on the farm when i was a kid,bout the same size as the body on this truck!.looks to be all wheel drive too,looks like a differential under the front bumper?....Mark

Just a guess here, but maybe one of these.

FM-Series Years Production Run

FM711 1979-1979 5

FM712 1978-1980 140

FM767 1978-1979 130

FM785 1978-1979 17

FM786 1977-1981 355

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Ah so you also found it! I have been asking about that truck as well, its an F800, not completely sure of the model number. Big lorry blog had an article on it. Those models were originally headed for Canada but a rare few were sold state side. The tank behind the cab is fuel, there is a square tank for hydraulic oil. That is the F model that I would want to buy. I have a picture of one working:

post-314-030517900 1283625424_thumb.jpg

There were also a bunch of similar models made for concrete mixers, GVW over 100K!:

post-314-057606700 1283625495_thumb.jpg

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I don't know, but it sure is a neat looking truck!

I dont know either, but it sure would benefit my "not getting on the highway, dirt doodling, pond digging operation!" Dam, I could heap some dirt up in that! randy

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Almost looks like it got a lot of DMM twin steer in it or the other way around. Sure like it Paul

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An F model on Steriods :thumb: I've always herd of a dual steer axle F Model but never seen one.

I Take this would be the C.O.E. Version of a DMM Model ? .

This is a RARE F Model here in the States & It would be a cool truck to Buy,Have & restore Also put in some shows (When i Did'nt have it hauling out of pit somewhere ;) )

Later Yall

:mack1:

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An F model on Steriods :thumb: I've always herd of a dual steer axle F Model but never seen one.

I Take this would be the C.O.E. Version of a DMM Model ? .

This is a RARE F Model here in the States & It would be a cool truck to Buy,Have & restore Also put in some shows (When i Did'nt have it hauling out of pit somewhere ;) )

Later Yall

:mack1:

If you want pictures of twin steer F models look up Australian truck pictures and you will find PLENTY! An Australian member by the name of Swishy has a twin steer F with a roll back equipment bed.

The F800 and F900 models were beasts! There were a few F900's made with massive Planidrive axles, I have seen a 6x6. Those monsters all work out in the middle east still to this day doing real heavy haul work.

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That rig did a lot of work on the I 287/I 87 spilt at the NJ/NY boarder about ten years ago, have not seen it in a while.

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it's a F-800 series, same as a Mack DMM but with F model cab.. seen 2 in real and I don't know if they're all the same but the frame is a big H beam..

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Certified concrete out of NYC had F900's with 15+ yd HI BOY concrete mixers with only 3 axles (non planatery) 12x24 tires,there are some pic's on this site. Colonial S&S also had 15 yarder's on Crane Carriers, A-cars & some old L-series Macks. Also wasn't there a concrete co in CT. years back called HI-HO DiDarrio with the twin steers on Mack dumpers & Mixers ? Ernie

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Certified concrete out of NYC had F900's with 15+ yd HI BOY concrete mixers with only 3 axles (non planatery) 12x24 tires,there are some pic's on this site. Colonial S&S also had 15 yarder's on Crane Carriers, A-cars & some old L-series Macks. Also wasn't there a concrete co in CT. years back called HI-HO DiDarrio with the twin steers on Mack dumpers & Mixers ? Ernie

If I remember, DiDarrio and O&G both had DMM twin steers. Been 20 years since I been back to CT to really look around.

I know O&G had some dump and pup set ups with extendable hitch.

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Certified concrete out of NYC had F900's with 15+ yd HI BOY concrete mixers with only 3 axles (non planatery) 12x24 tires,there are some pic's on this site. Colonial S&S also had 15 yarder's on Crane Carriers, A-cars & some old L-series Macks. Also wasn't there a concrete co in CT. years back called HI-HO DiDarrio with the twin steers on Mack dumpers & Mixers ? Ernie

Hey ernie,i sure remember those diadarrio trucks,they were up around milford i believe,kind of a gold /tan color?......Mark

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If I remember, DiDarrio and O&G both had DMM twin steers. Been 20 years since I been back to CT to really look around.

I know O&G had some dump and pup set ups with extendable hitch.

D'Addario Industries out of Bridgeport had DMMEX twin steer dumps. They had green cabs with yellow trim and "HI-HO" fabricated into the sides of the dump bodies. O & G had them as well as Genovese Concrete, who was eventually bought out by O & G. Both the D'Addario trucks and the Genovese mixers were in Mack ads back in that time.

-John

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I was in canada about 10 years ago I saw one of these as a cement truck. also saw a R or RB? with twin steer as a concrete truck. Was up there 2 weeks ago and saw very few macks compaired to the last time I was up there....:(

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