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Armor/AFV: Allied - WWII
Armor and ground forces of the Allied forces during World War II.
Hosted by Darren Baker
Mack NO6 - 7 1/2 ton artillery tractor
165thspc
#521
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Kentucky, United States
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Posted: Thursday, December 17, 2015 - 04:31 AM UTC


Those two angled "can" type structures just inboard of the wheel brakes are my poor attempt at modeling the final drive, front axle gearboxes employed by the Mack. As shown earlier the Mack utilized a front drive system that did not require the use of universal joints, a design far more durable than the standard u-joint or CV joint style 4x4 front axle set-up.




The above image comes from the collection of EASY 1 Productions - From the disc entitled "TM 10-1679; 7 1/2 ton 6x6 Prime Mover Mack NO"

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165thspc
#521
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Kentucky, United States
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Posted: Thursday, December 17, 2015 - 05:07 AM UTC
Here is a cross section drawing of what this unique gearbox (axle+steering kingpin+drive spindle) structure looked like.
The kingpin also doubled as the bearing the wheel steered on.



Interestingly, to my knowledge, the only vehicle* to still use this type of unique front end design would be many of the Kaboda 4 wheel drive farm tractors.

* Just found out that the Skoda RSO tractor used something similar.

The above image comes from the collection of EASY 1 Productions - From the disc entitled "TM 10-1679; 7 1/2 ton 6x6 Prime Mover Mack NO"

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165thspc
#521
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Kentucky, United States
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Posted: Thursday, December 17, 2015 - 05:34 AM UTC
Fellow modeler Alex Hill* did a masterful job on his Mack NO, starting with the Azmuth resin kit and adding and/or rebuilding literately thousands of parts on the vehicle.

Here below is an image of the Azmuth front axle with Alex's hand made front axle gearboxes:



* I have tried a number of times to track down Mr. Hill on the internet. If anyone happens to know this modeler please ask him to contact me through this Armorama thread regarding the Mack NO.
165thspc
#521
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Kentucky, United States
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Posted: Thursday, December 17, 2015 - 12:54 PM UTC

Quoted Text

There is the possibility that Mirror Models MIGHT, just might, produce a Mack NO sometime in the future. I have offered my assistance and any of my research to Libor in the hopes that this will encourage him in that direction.



Even though I already have my Mack NO - Would really love to see someone offer a plastic version. I would very much like to use such a kit as the starting point to build the even more rare long frame Mack with the Gar-Wood recovery crain. As it is I just don't have the heart to scratch build a complete second Mack NO but I would willingly modify an existing kit!

daselim
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Michigan, United States
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Posted: Friday, December 18, 2015 - 06:13 AM UTC

Quoted Text

There is the possibility that Mirror Models MIGHT, just might, produce a Mack NO sometime in the future. I have offered my assistance and any of my research to Libor in the hopes that this will encourage him in that direction.



Well hopefully he reads this thread because I definitely want to add my encouragement on a Mack NO kit I would be in to purchase a couple or more Macks.
rmadfire1
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South Carolina, United States
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Posted: Sunday, December 20, 2015 - 09:59 PM UTC
Well received my tamiya Dragon wagon recovery vehicle today, gonna start building my Mack NO. This is such an awesome kit it breaks me heart to not build it.
Dj
165thspc
#521
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Kentucky, United States
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Posted: Sunday, December 20, 2015 - 11:00 PM UTC
Gotta build em both, plus the trallier!

One problem though. You need two rear differentials for the Mack, since it is not chain drive. The DW Recovery only has one! I was lucky enough to find a junked DW on eBay but you could probably clone one of your own since you have a good one to go by.
rmadfire1
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South Carolina, United States
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Posted: Sunday, December 20, 2015 - 11:13 PM UTC
Yep I'm aware of that, gonna see if I can just buy the sprue from Tamiya I've have really good luck getting sprues and parts from them, if not then gonna have to cast one.
Dj
165thspc
#521
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Posted: Monday, December 21, 2015 - 06:10 AM UTC
A brief F Y I: post war they had a two axle dolly for the DW trailer. Used the same wheels and tires as the DW. This way any heavy tractor could pull the trailer. My point here is to build the DW tractor as the recovery vehicle, also build the stock trailer and use the dolly to allow the recovery tractor to still pull the trailer. You then have the best of all worlds!



p.s. I found out too late that this dolly actually had four smaller leaf springs, two per side and NOT the one big spring on each side as shown here!
165thspc
#521
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Posted: Monday, December 21, 2015 - 10:53 AM UTC
As you can probably tell, the dolly is made up of the rear section of the DW frame and uses the standard DW fifth wheel. The leaf springs are scratch built as is the front drawbar. The air tanks have been cut off the forward part of the DW frame and relocated here.
pstansell
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Alabama, United States
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Posted: Monday, December 21, 2015 - 09:21 PM UTC
Mr. Koenig!

You are clearly quite mad, sir! I am loving that dolly. It's definitely one of the keenest pieces of kit in the U.S. inventory at the time. I have only ever found a single picture of it in use. Please share if you have any. It'd be cool to see being hauled by the M125 tractor.

If you're interested in the post-war use of the M15 types, we'll be releasing out Dragon Wagon Part 2 title early in the year.

Keep up the good work, my friend!

Pat
MMiR
rmadfire1
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South Carolina, United States
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Posted: Monday, December 21, 2015 - 11:37 PM UTC
I don't know understand why manufactures don't produce more of these types of vehicles? So much can be done with them since most of these went on to live lives in the civilian world, loggers, dump trucks, heavy haulers. Etc, I wish we had more of a selection of WW2 cargo trucks other than a douce and half. I guess if it isn't German it's not being produced!
Dj
165thspc
#521
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Kentucky, United States
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Posted: Tuesday, December 22, 2015 - 02:12 AM UTC

Quoted Text

I don't know understand why manufactures don't produce more of these types of vehicles? So much can be done with them since most of these went on to live lives in the civilian world, loggers, dump trucks, heavy haulers. Etc, I wish we had more of a selection of WW2 cargo trucks other than a douce and half. I guess if it isn't German it's not being produced!
Dj

w

Just to perhaps point out the obvious recent additions to the Allied vehicle count: We do now have both Diamond T and White 666 four ton cargo haulers, as well as the Diamond T Dump Truck and Wrecker. Oh AND we have Studebaker's version of the Deuce and a Half and any number of British/Canadian CMP freight haulers coming from Mirror Models.

Life is rich with possibilities my friend, rich!
165thspc
#521
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Kentucky, United States
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Posted: Tuesday, December 22, 2015 - 05:12 AM UTC
M199 2-axle trailer dolly

This photo comes from David Doyle's "Standard Catalog of US Military Vehicles" 2nd Edition.


This shot I found online. I believe that is an M199 dolly under that trailer but I cannot be positive.
165thspc
#521
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Kentucky, United States
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Posted: Tuesday, December 22, 2015 - 05:32 AM UTC

This big rig has been sitting on the shelf gathering dust for many moons, not quite finished.

When finished the recovery frame on the tractor will be raised. As you can see this crew is using the M199 dolly to allow them to still pull the recovery trailer even though the fifth wheel on the tractor is blocked.

In the background can be seen an 18 ton Famo, a GNC Deuce and a Half converted to a British railroad locomotive, and a short bed International 2 1/2 ton truck all under construction.
165thspc
#521
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Kentucky, United States
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Posted: Friday, December 25, 2015 - 07:39 PM UTC
Sorry, sorry. Absolutely horrible work bench photo, I appologize.

Bigred69
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Armed Forces Europe, United States
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Posted: Sunday, December 27, 2015 - 01:41 AM UTC
What a great looking setup. I really enjoy your work.

Ronnie
165thspc
#521
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Kentucky, United States
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Posted: Tuesday, February 16, 2016 - 11:19 PM UTC
Every now and then, usually when searching for something else entirely, you come across photos that while never seen before still seem very familiar . . . .


Mack NO with unique Mack designed hitch allowing the gun trails to be connected directly to the vehicle without the use of a towing limber.
165thspc
#521
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Kentucky, United States
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Posted: Tuesday, February 16, 2016 - 11:23 PM UTC
Mack NO towing a 155mm gun: Another found image.

Note: Canvas travel cap with electrical taillight attached just below, protecting the muzzle. Also note the taillight electrical cable spiraling back along the barrel. And finally, the gun is fitted with civilian pattern tires and the left side optics have been removed for transport.


Photo for Discussion Purposes ONLY
Photo Copyright; Property of the Cherbourge-Octeville Municipal Library
27-1025
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North Carolina, United States
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Posted: Wednesday, February 17, 2016 - 12:39 AM UTC
The rig with the trailer dolly looks awesome.
165thspc
#521
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Kentucky, United States
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Posted: Thursday, February 18, 2016 - 12:24 AM UTC
Thanks Chris. I appreciate it.

Mike
165thspc
#521
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Kentucky, United States
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Posted: Monday, December 19, 2016 - 11:04 PM UTC


Season's Greetings 2016
165thspc
#521
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Kentucky, United States
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Posted: Wednesday, June 07, 2017 - 05:51 PM UTC
Latest progress on the M23 Ammo Trailer to accompany the Mack NO6:

165thspc
#521
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Kentucky, United States
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Posted: Friday, June 09, 2017 - 06:12 AM UTC
F.Y.I. - The NO does not stand for the word "Number" as some might think. It is not "Mack Number 6". Rather the NO is the Series Factory Designation (or type of Mack vehicle, as in NQ, NL, NO) and the #6 refers to the frame type being used. (as in Cargo, Semi-tractor, Wrecker, etc.)

The two wrecker trucks shown earlier have the designations Mack NO4 and NO5.
165thspc
#521
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Kentucky, United States
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Posted: Friday, June 09, 2017 - 10:39 PM UTC
Mack NO6 passing through French town square.


Photo copyright Alain Henry de Frahan - "Tanks in Town 2015" - All rights reserved.
Edited and used here for discussion purposes only.