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cool assemby line video

Old 03-04-2019, 05:01 PM
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Default cool assemby line video

Coolest part is at the ~1:02 mark where the robots place the cab / bed on the frame.

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Last edited by Back-in-Black; 03-04-2019 at 06:49 PM.
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Old 03-04-2019, 05:43 PM
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Pretty cool. A lot of automation there. We live in the future..
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Old 03-04-2019, 06:34 PM
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One of the most beautiful sights ever is Americans at work in a factory building something.... I could watch those vids all day
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Old 03-05-2019, 06:41 AM
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One thing I noticed was how quiet it was (aside from the shaker testing).

What is that they're dipping the whole body in around 0:48? Anyone know?
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Old 03-05-2019, 07:38 AM
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Originally Posted by Atticus View Post
One thing I noticed was how quiet it was (aside from the shaker testing).

What is that they're dipping the whole body in around 0:48? Anyone know?

I was wondering the same thing. I know that GM was galvanizing their bodies in the past but kind of question that here. If they are following suit on the new HDs with aluminum doors, hood and tailgates, dipping the whole truck in a galvanizing tank doesn't make a lot of sense (the doors, hood and tailgate are present when they are dipped in the video). I've watched it a few times and it appears to be bare metal going into the tank. Hard to tell though. I have also read everything I could find on the new HDs and watched every video I could find and no where have they mentioned what the doors, hood and tailgate are made of (aluminum or steel) on the new HDs. Wouldn't really surprise me if they're going with all steel body panels on the HDs though. They don't seem to have shed any lbs from the previous models as the SRW, 3500, CC, 4x4 lists at about 7,600 lbs.

What I also don't really get is the fact that they are actually building 2020 HDs on the line. All the info I've seen says production doesn't crank up until June 3rd. Are these just "test vehicles" they are building to train workers and fine tune the line's robotics?

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Old 03-05-2019, 09:50 AM
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The coolest part is at 2:43! 5500HD!!
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Old 03-05-2019, 10:29 AM
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Here are two more videos showing the new 2020 HD. Some good info here of you can ignore a lot of the guy talking. Good break down of the frame and closed ups of it (notice the location of the goose neck hitch). Glad to see they finally got the DEF fill up near the fuel fill (Ford has done that since the start). I noticed they have Michelin tires now--interesting. Also interesting info on the new Allison 10 speed, and the cast iron 6.6l gas (401HP, 464 lb-ft, premium fuel NOT req) with variable fuel pump, variable oil pump, forged crank and rods, stainless exhaust manifolds.There are also some changes on the Duramax, but no changes in HP/Torque. Appears to be matching the torque and tuning the turbo to the 10 speed transmission. The cooling fan and it's belts and pulleys were also changed to keep from scavenging as much HP. Larger radiator, and larger and redesigned oil cooler as well.

Trailer profiles and what can be done there is pretty interesting. I see so many complaining about the trucks being "too complicated", but its is the exact kind of integration many are trying to do on their boats.



Last edited by Joe; 03-05-2019 at 10:45 AM.
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Old 03-05-2019, 11:20 AM
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^^^ That was bad ass seeing that brand new, just built Duramax hauling that big ass gooseneck around the corner.

It took GM 11 years to figure out how to get that DEF filler next to the diesel filler... Just think about that.....
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Old 03-05-2019, 11:39 AM
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The new Duramax engineer is Italian... who would have known...
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Old 03-05-2019, 12:24 PM
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So it is all steel! First time I've heard that! So I bet that is a galvanizing tank in the production line video above.

Also, the transmission engineer confirmed what I've been saying for years. Way back when, I called the Allison tech help line back around maybe 2008 or so with a couple of questions about my transmission. The guy who answered the phone, during the conversation, told me that Allison never built these transmissions, they have always been built by GM. This from an Allison employee but I've gotten lots of blow-back over the years over that and actually have a low speed, on-going argument with a user on the duramaxforum about this very thing. He swears that the "Allison" in these trucks has always been made by Allison in MD. In the first video you posted, the GM engineer who also worked on the original Allison 1000 admits that GM has ALWAYS built these transmissions in house. Not something I didn't already know else why in the world would an Allison employee tell me they don't build it, but nice to have some validation.

Here's a video regarding the changes to the Duramax for 2020. All seems to be extra cooling and according to one of the videos you posted, some extra refinement on the turbo vane positioning for exhaust braking and application of torque through the new 10 speed.

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Old 03-05-2019, 01:23 PM
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That Banks video was where I got some of the info on the new Duramax engine re: oil cooler and fan size. Good stuff!
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Old 03-05-2019, 02:47 PM
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Originally Posted by Back-in-Black View Post
I was wondering the same thing. I know that GM was galvanizing their bodies in the past but kind of question that here. If they are following suit on the new HDs with aluminum doors, hood and tailgates, dipping the whole truck in a galvanizing tank doesn't make a lot of sense (the doors, hood and tailgate are present when they are dipped in the video). I've watched it a few times and it appears to be bare metal going into the tank. Hard to tell though. I have also read everything I could find on the new HDs and watched every video I could find and no where have they mentioned what the doors, hood and tailgate are made of (aluminum or steel) on the new HDs. Wouldn't really surprise me if they're going with all steel body panels on the HDs though. They don't seem to have shed any lbs from the previous models as the SRW, 3500, CC, 4x4 lists at about 7,600 lbs.

What I also don't really get is the fact that they are actually building 2020 HDs on the line. All the info I've seen says production doesn't crank up until June 3rd. Are these just "test vehicles" they are building to train workers and fine tune the line's robotics?
They aren't galvanizing it.

Here's a video explaining he process

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Old 03-05-2019, 05:17 PM
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Originally Posted by Back-in-Black View Post
So it is all steel! First time I've heard that! So I bet that is a galvanizing tank in the production line video above.

Also, the transmission engineer confirmed what I've been saying for years. Way back when, I called the Allison tech help line back around maybe 2008 or so with a couple of questions about my transmission. The guy who answered the phone, during the conversation, told me that Allison never built these transmissions, they have always been built by GM. This from an Allison employee but I've gotten lots of blow-back over the years over that and actually have a low speed, on-going argument with a user on the duramaxforum about this very thing. He swears that the "Allison" in these trucks has always been made by Allison in MD. In the first video you posted, the GM engineer who also worked on the original Allison 1000 admits that GM has ALWAYS built these transmissions in house. Not something I didn't already know else why in the world would an Allison employee tell me they don't build it, but nice to have some validation.

Here's a video regarding the changes to the Duramax for 2020. All seems to be extra cooling and according to one of the videos you posted, some extra refinement on the turbo vane positioning for exhaust braking and application of torque through the new 10 speed.

https://youtu.be/Z35ZThqcg6k
I know our transmissions have been built by GM, considering GM owned Allison up to 2007... But, the Allison 1000 HAS always been built in Baltimore, Maryland.. I'm pretty sure that's a GM facility specifically for building our transmission. I do know now though that the plant is closed down..

And the way I look at it honestly... If you have a Duramax 2007 or older, then your truck has the real deal no BS Allison transmission. Because technically, since GM owned Allison during that period, isn't LITERALLY an Allison trans.?
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Old 03-05-2019, 05:35 PM
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Before paint they go to E-coat, a corrosion inhibitor. That's the dip process.

It's funny that the video they show is mostly final assembly, most of the work (and the best video) happened before in the body shop.

Change that Chevy to Ford and I programmed a lot of those processes.

Watch a framer work if you want to see something really cool, though they don't often publicise that video. In part because paint and final assembly are the only clean parts of a domestic auto plant. Body, power train, and chassis departments are a filthy mess.

​​​​​​
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Old 03-05-2019, 05:55 PM
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So I guess GM doesn't galvanize anymore? I haven't really kept up with it. I know they used to galvanized a lot of the body panels and that's when they had all the problems with paint peeling off - when they started trying to paint over that surface.

I've never really cared about where exactly the Allison was made or really by who. Best transmission I've ever owned and I've put this one thru hell over the last ~17 years. Not even a hiccup. Blew up the transmissions in the 2 trucks before this one and din't really do all that much towing with the trucks before those.

I enjoy watching all that stuff. I also like going to the WWII museum down in New Orleans to look at the stuff that was built back then. The difference from today's stuff is absolutely amazing.
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Old 03-05-2019, 06:56 PM
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That dip is e-coat. E-coat\paint is what I do. I helped with GM 1500 at Ft Wayne. I will see if I can get a video of the RAM truck bed going thru e-coat. It does a 360 degree rotation to help remove air pockets, which is what causes the rear quarters to rust out. Only other full sized truck to do that is Expedition\Navigator..
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Old 03-05-2019, 09:16 PM
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A few questions

What was behind the blue tarp ?
Why did they not give the 6.6gas a 10spd?
Will the new trucks match Fords hitch strength/conventional pull rating of 14k lbs?
Does the AT4 get a derated tow rating like the power wagon?
When can I order a 3500/gas/AT4?
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Old 03-06-2019, 06:58 AM
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Originally Posted by Manoverboard123 View Post
The new Duramax engineer is Italian... who would have known...
I worked in the auto manufacturing business when I first got out of school. My company made body parts for cars and trucks and I worked with a lot of the engineers for the Big 3. The bulk of them were Indian and middle eastern. And this was 20+ years ago.
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Old 03-06-2019, 07:31 AM
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Originally Posted by BadgerS View Post
A few questions

What was behind the blue tarp ?
Why did they not give the 6.6gas a 10spd?
Will the new trucks match Fords hitch strength/conventional pull rating of 14k lbs?
Does the AT4 get a derated tow rating like the power wagon?
When can I order a 3500/gas/AT4?
Blue tarp - no clue, don't remember it

6 spd - they beefed up the existing 6 spd to handle the increased power and torque of the new gas motor. The engineer who talked about it said it is GM's most trouble-free transmission so they left it pretty much alone other than adding a couple of new clutch plates to handle more torque. Even the new, more powerful gas motor still only puts out about 1/2 the torque of the diesel. I think they felt that adding the 10 spd to the gas trucks was an unnecessary expense that would have been huge overkill and completely unnecessary. I'm sure the 10 spd costs significantly more than the 6 spd so probably also an effort to keep prices down on the gas trucks. Would not be surprised to see them morph the existing 6 spd to an 8 or 10 spd in the next ~5 years - just like they did with the Allison. As to why the Allison is not even an option on the gas trucks: I remember seeing / hearing one of the engineers in one of the videos I've watched saying that the new Allison has a different bell housing and the rear of the duramax motor had to be changed up a bit to mate to it. I'm assuming they made the changes in the Allison bell housing for strength. Anyway, w/o changing up the ass-end of the gas motor, it won't mate up to the new Allison.

Max conventional towing on these trucks is 14,500 lbs for gas and 20,000 for diesel. That's for 2500 and 3500 SRW
Max 5th /g/n varies a little between cabs / beds but basically 16,900 for gas 2500 and 21,500 for diesel 3500 SRW (see the link below for more ratings)

They don't list separate ratings for different trim levels so I'm pretty sure max towing and payload numbers apply across ALL trim levels but differ depending on bed length, cab, SRW, DRW etc.

I would imagine you will be able to order one in June or July this summer. Supposedly, full out production of the 2020 models starts June 3rd.

This link has the most complete specs I've seen to date:

https://media.chevrolet.com/media/us...o-hd-2020.html
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Old 03-06-2019, 02:10 PM
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That is all great info. My boat/trailer weigh 12k and I only tow 1-2 times a year a few miles. I couldn't see buying a 1/2 ton which would never tow my boat. Ford's Super Duty tow ratings really changed things a year or so ago. I am glad GM stepped up to the plate. I wonder if the 14.5k rating is with the 3.73 rear end. Ford requires the 4.3 with 6.2L to get the 14k tow rating.

Have they stepped up to a truly locking rear differential? Or is still a limited slip? AT4, crew cab, gas, short bed for me.
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