MACK NO2 RESTORATION

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Desertdog
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MACK NO2 RESTORATION

Post by Desertdog » Sun Jan 23, 2011 5:36 pm

Mack NO2 restoration
Here is an account of the restoration and dieselisation of the 1944 Mack No2 I bought a couple of years ago. When I purchased the Mack it had a horrible modified cab fitted to it. As can be seen by the picture it had lost its original doors and had a metal roof made from two van roofs.

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It had modern spring brakes fitted which was a good idea as it made the vehicle safer to drive. It still had its original petrol engine which sucked fuel at the rate of 3 MPG and on a trip to “Route to Victory” in Ramsbury consumed £300 of petrol, so it had to go. More of that later.

After removal of the wings, etc the cab was lifted off.

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As can be seen working on vehicles has its dangers and they can bite back, this gash on my head was from using a scaffold tube on a breaker bar, which snapped.

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After the cab was removed I worked out what was original and what was not. I had already taken a trip over to Belgium to make drawings and take photos of an original Mack NO owned by Jaap Rietvelt.

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Basically all that was original was the bulkhead, floor and some reinforcing bars in the rear of the cab. So after a few minutes with a disc cutter I had what I wanted to start from. While I was in the cutting mood I also removed the rusty sides of the bulkhead.

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more to follow
Jim.
44 Ford GPW
42 Diamond T 968
44 Mack NO2
42 White M3 Halftrack
42 M4A4 Sherman
44 M4 High Speed Tractor
43 Caterpillar D4 2T
43 Fruehauf 8 ton Engineers trailer
43 M9 Rogers trailer
41 International TD18 dozer
41 GMC352 hard cab
4? M10 Ammunition Trailer

"A Sherman can give you a very nice.......Edge"


Desertdog
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Re: MACK NO2 RESTORATION

Post by Desertdog » Sun Jan 23, 2011 5:53 pm

After grit blasting the remains of the cab reconstruction began.
The bulkhead sides and front were replaced first and gave a starting point to work from to make the rest of the cab.

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The curved sections were gone so I rolled new ones and fabricated the strengtheners.

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The top of the back of the original cab was still there and had “Carnegie steel” embossed in the face. This was used again and welded to the new curved section along with the new “B”posts I had made.


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The door frames had already been made by the previous owner, they just needed skinning and the hinges and latches fitted.


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The windscreen frame and its mounting are made from ash and I had a new frame made by our landlord’s brother who is a cabinet maker. The frame is braced in the corners and is hinged so it can fold down, all of these fitting and fixtureS had to be made.

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The inner screen frames were partially made by the previous owner and just needed finishing.

On top of the windscreen frame is a metal rail which the canvas top attaches to, this was missing so I had to make up formers to fabricate the rail and the corners.

All the canvas hood fittings and hold down hooks were missing so I made new oneS.

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Before painting with olive drab I made the new canvas hood and door tops copied from originals borrowed from Jaap Rietvelt. The door tops have metal frames which slide into tubes located in the doors.


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Jim
44 Ford GPW
42 Diamond T 968
44 Mack NO2
42 White M3 Halftrack
42 M4A4 Sherman
44 M4 High Speed Tractor
43 Caterpillar D4 2T
43 Fruehauf 8 ton Engineers trailer
43 M9 Rogers trailer
41 International TD18 dozer
41 GMC352 hard cab
4? M10 Ammunition Trailer

"A Sherman can give you a very nice.......Edge"

Desertdog
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Re: MACK NO2 RESTORATION

Post by Desertdog » Sun Jan 23, 2011 6:05 pm

After painting the cab I glued sound deadening onto the inside of the bulkhead then made up a millboard cover as per original. The restored dashboard was then refitted along with the wiring for the cab.

The dash had many extra holes which were welded up. The first aid box bracket was missing so I bought one from Jaap and fitted it to the passenger side of the dash. The old spot weld marks could still be seen making positioning easy

Once all of the work on the cab was completed we lifted it back on to the chassis, it had to be lifted high enough to go over the steering column which was just about the limit of the forklifts reach.


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Jim
44 Ford GPW
42 Diamond T 968
44 Mack NO2
42 White M3 Halftrack
42 M4A4 Sherman
44 M4 High Speed Tractor
43 Caterpillar D4 2T
43 Fruehauf 8 ton Engineers trailer
43 M9 Rogers trailer
41 International TD18 dozer
41 GMC352 hard cab
4? M10 Ammunition Trailer

"A Sherman can give you a very nice.......Edge"

Desertdog
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Re: MACK NO2 RESTORATION

Post by Desertdog » Sun Jan 23, 2011 6:10 pm

In between all of this being done I removed the petrol engine and acquired an L10 Cummins diesel engine which is the same physical size, so no modifications need to be done to the truck. The bell housing as an SAE fitting so bolts up with no problems. The only difficulty we had was the Cummins engine has a twin plate pull type clutch and the Mack is a single plate push type clutch. So we modified the Cummins flywheel to accept the Mack pressure plate. I then had the Mack centreplate lined with modern friction material capable to taking the extra power of the engine.

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More to follow


Jim
44 Ford GPW
42 Diamond T 968
44 Mack NO2
42 White M3 Halftrack
42 M4A4 Sherman
44 M4 High Speed Tractor
43 Caterpillar D4 2T
43 Fruehauf 8 ton Engineers trailer
43 M9 Rogers trailer
41 International TD18 dozer
41 GMC352 hard cab
4? M10 Ammunition Trailer

"A Sherman can give you a very nice.......Edge"

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acmack
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Re: MACK NO2 RESTORATION

Post by acmack » Sun Jan 23, 2011 6:15 pm

Beautiful work Jim!
I couldn't help noticing how the cab looks virtually identical to the AC and AB model Macks of the teens and twenties. I will post some photos of the AC Mack I'm currently working on for comparison.
David
Any other spacecraft or missile owners out there?
MAR 43' GPA 9545 MAR 43' GPA 10568 getting there!
60' M422 538
65' Apollo BP CM A-36
60' Gemini BP CM MSC312

Frank USMC
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Re: MACK NO2 RESTORATION

Post by Frank USMC » Sun Jan 23, 2011 6:21 pm

You are the man!! Great job! Thanks for saving our history!!
One of the few, Frank USMC RET

j506
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Re: MACK NO2 RESTORATION

Post by j506 » Sun Jan 23, 2011 6:29 pm

Superb craftsmanship Jim 8)
I couldn't help but noticing a yard full of "interesting" projects
It is obvious you're a believer in 'Size Matters" :lol:
Thanks for the posts and photos

Cheers
John
42 Chevy G7117
44 Ford M20 2446-C
44 CCKW 353 A1 660 gal Tanker
45 CCKW 353 B2 Air-portable
Ben Hur 1 ton trailer
MVPA #26900

Desertdog
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Re: MACK NO2 RESTORATION

Post by Desertdog » Sun Jan 23, 2011 6:38 pm

David, Thanks for the kind comments and it would be good to see the pictures of your AC Mack.

Frank, Thank you also and its a pleasure and a privalage to work on my WW2 vehicle collection.

Hi John, Yes we are fortunate to have plenty of yard space and large worshops to do our restoration business plus the canvas workshop.

Thanks Jim.
44 Ford GPW
42 Diamond T 968
44 Mack NO2
42 White M3 Halftrack
42 M4A4 Sherman
44 M4 High Speed Tractor
43 Caterpillar D4 2T
43 Fruehauf 8 ton Engineers trailer
43 M9 Rogers trailer
41 International TD18 dozer
41 GMC352 hard cab
4? M10 Ammunition Trailer

"A Sherman can give you a very nice.......Edge"

pintelhook11over
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Re: MACK NO2 RESTORATION

Post by pintelhook11over » Sun Jan 23, 2011 11:09 pm

AH, now thats a Truck! Keep those Sit-rep's coming, and don't bonk your head again!
1942 G7117 No. 389946
1945 G527 Serial no.9218
USN CM3 NMCB "4"
Cat Field SVC/GPS installer
Cat Main shop Mech

vj
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Re: MACK NO2 RESTORATION

Post by vj » Mon Jan 24, 2011 6:40 am

Thanks Jim for the great pictures, It sure looks like your a busy man, I enjoy working on the ww2 vehicle. These are the machine that change all our live, and the world. If possible keep the great pictures heading our way. :D wendell
I have got four running halftracks,plus 5 ton ww2 semi-truck,1943 willys jeep and other ww2 vehicles,plus a lot of parts to trade on. Wendell in Tn.

StudebakerM275
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Re: MACK NO2 RESTORATION

Post by StudebakerM275 » Fri Feb 11, 2011 12:18 pm

Is that a modern-ish turbo diesel ! ? ? !

Mike
1953 Studebaker M275.
1962 GMC K4500.
1969 AMC-AMX.
1976 Arctic Cat Jag.
1977 Ford F350.
1982 AMC-Jeep J/20 Honcho.
1988 AMC-Jeep V8 Comanche .
1992 Trans Am GTA.
2007 Honda Rubicon.

Desertdog
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Re: MACK NO2 RESTORATION

Post by Desertdog » Fri Feb 11, 2011 6:56 pm

StudebakerM275 wrote:Is that a modern-ish turbo diesel ! ? ? !

Mike
Hi Mike, its a Cummins L10 and it came from a 1998 Foden truck. It produces 290 BHP the intercooled version puts out 325BHP

Jim.
44 Ford GPW
42 Diamond T 968
44 Mack NO2
42 White M3 Halftrack
42 M4A4 Sherman
44 M4 High Speed Tractor
43 Caterpillar D4 2T
43 Fruehauf 8 ton Engineers trailer
43 M9 Rogers trailer
41 International TD18 dozer
41 GMC352 hard cab
4? M10 Ammunition Trailer

"A Sherman can give you a very nice.......Edge"

StudebakerM275
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Re: MACK NO2 RESTORATION

Post by StudebakerM275 » Fri Feb 11, 2011 10:33 pm

The L-10 is a nice unit from what I hear, Being a Cummins guy I'm shocked I didn't notice it was a cummins I guess I spent to much time around Mack 673-676 ENDTs and Cummins BC-855s / KT-1150s . . . started learning about the 250-NA and V300 Cummins diesel when once I got hooked on Mil-Spec trucks . . . Along with REO-331 and LeRoi-844 Gasser's . . .

Learning lots
Mike
1953 Studebaker M275.
1962 GMC K4500.
1969 AMC-AMX.
1976 Arctic Cat Jag.
1977 Ford F350.
1982 AMC-Jeep J/20 Honcho.
1988 AMC-Jeep V8 Comanche .
1992 Trans Am GTA.
2007 Honda Rubicon.

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Jeroen Sleijpen
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Re: MACK NO2 RESTORATION

Post by Jeroen Sleijpen » Thu Mar 17, 2011 11:16 am

Great Job Jim!
Be easy with all that horse power when you take it for first spin!
:lol:
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G502 1942 Dodge WC-52 81533373

rgus
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Re: MACK NO2 RESTORATION

Post by rgus » Fri Mar 18, 2011 2:43 am

Outstanding Job I marvel at what can be done with the right knowledge and tools.
43 M3A1 256117, 42 CCKW 129,XXX, 43 GPW 146954, 43 WC54 81635383, 43 WC54 81665843, 45 WC52 818682 "MO', 43 WC63 82009972 "BIG MO", 44 GTBA NAVY CARGO 218299, 43 PE95, 44 Checker K52 Trailer,42 MBT 375, 44 Coverto Trailer 886475


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