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Old 03-28-2019, 06:03 PM   #1
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How wide is a international 3800 bus?

Looking for the width of the front end, outside to outside of front wheels to see if I can fit one under the body of my 1950 ford f600.
Thanks!
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Old 03-29-2019, 08:13 PM   #2
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Can anyone advise?
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Old 03-29-2019, 08:53 PM   #3
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I'll check mine tomorrow and let you know.....it's a 1997.
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Old 03-29-2019, 09:18 PM   #4
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Should be 81" between center of tire to center of tire.
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Old 03-30-2019, 02:21 PM   #5
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Quote:
Originally Posted by Jmlcolorado View Post
Looking for the width of the front end, outside to outside of front wheels to see if I can fit one under the body of my 1950 ford f600.
Thanks!
Jml....I got 91" from outer sidewall to outer sidewall on the front.

Hope this helps! I applaud your idea....always thought of mounting my '67 and '68 Mustangs to a modern-day chassis.
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Old 03-30-2019, 03:30 PM   #6
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Holy crap that’s wide!
Looks like I’ll be widening fenders ��
By the looks of them, it appears the front wheels line up with the outer duals, making the rear about the same measurement. Does that seem accurate?


Yes that’s a huge help!
Thanks!

I put a 1968 Chevy c10 chassis under a 1950 international and converted the front to power steering and brakes. Was one heck of a fun project and it drives fantastically. Kids love that truck.
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Old 03-30-2019, 03:45 PM   #7
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Originally Posted by Jmlcolorado View Post
Holy crap thatís wide!
Looks like Iíll be widening fenders ��
By the looks of them, it appears the front wheels line up with the outer duals, making the rear about the same measurement. Does that seem accurate?


Yes thatís a huge help!
Thanks!

I put a 1968 Chevy c10 chassis under a 1950 international and converted the front to power steering and brakes. Was one heck of a fun project and it drives fantastically. Kids love that truck.
The front wheel is an inside rear wheel (or and outside wheel turned around. The track width on the front is measured from the center of each tire. The rear track is measured from the center between the 2 tires. Outside width of front and rear tires should be equal.
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Old 03-30-2019, 04:44 PM   #8
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Jml...pretty sure the rear overall is wider. Ill take some pics b4 i leave tonite.
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Old 03-30-2019, 07:41 PM   #9
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Quote:
Originally Posted by o1marc View Post
The front wheel is an inside rear wheel (or and outside wheel turned around. The track width on the front is measured from the center of each tire. The rear track is measured from the center between the 2 tires. Outside width of front and rear tires should be equal.
I understand that. I’ve owned a few dually pickups. I just thought when I took a quick look at one, that the front wheels were in line with the outternduals on this chassis vs the inner which I’m used to seeing. I thought maybe it was different on medium duty chassis vs pickups.
I’m not super concerned about advertised track width, more so the overall width outside to outside to aid in fitting the body.
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Old 03-30-2019, 07:45 PM   #10
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Quote:
Originally Posted by Jmlcolorado View Post
I understand that. I’ve owned a few dually pickups. I just thought when I took a quick look at one, that the front wheels were in line with the outternduals on this chassis vs the inner which I’m used to seeing. I thought maybe it was different on medium duty chassis vs pickups.
I’m not super concerned about advertised track width, more so the overall width outside to outside to aid in fitting the body.
You'll need to measure your own then. The overall width will be determined by brand and size of tire you have on there. On my bus the outer edge of the front and rear tires are aligned. Dually pick ups are almost always wider in the rear by the second wheel, not so on a bus.
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Old 03-30-2019, 07:51 PM   #11
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I think you'll have your work cut out for you dropping this onto a bus chassis.
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File Type: jpg 50 Ford.jpg (15.7 KB, 35 views)
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Old 03-30-2019, 07:54 PM   #12
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Quote:
Originally Posted by o1marc View Post
You'll need to measure your own then. The overall width will be determined by brand and size of tire you have on there. On my bus the outer edge of the front and rear tires are aligned. Dually pick ups are almost always wider in the rear by the second wheel, not so on a bus.
Gotcha. Iím pretended set on an international 3800 chassis, but I understand the tire brand and model will change these numbers a bit. My main concern was if it would fit at all without modifying the body, which it certainly wonít based on the above numbers. The outside of the front tires on this truck is 60Ē. Seriously! Itís crazy narrow.
By my rough math, Iíll need widen the front fenders at least 4Ē each side.
Oh well, gotta pay to play eh?
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Old 03-30-2019, 08:01 PM   #13
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remember there are variants of the 3800... my red bus has a much lighter duty short wheel base 3800 then my DEV bus..



the axle in my red bus is an S110 (an F550 axle).. the wheelbses is probably just a little long for the truck pictured above.. but not a huge bunch..



width-wise you can gain a bit of width back in the rear if you are lower weight by going single rear wheel...



my front width looks a bit barrower on the red bhus than on my DEV..



I can measure mine for you if anyone is interested..

it has a GVWR of 17500.. and uses 8 lug 19.5" wheels (F550 style)..



in fact that chassis with the T-444E drivetrain might be a near perfect fit... the V-8. would be easier to fit a truck cab on and not need a doghouse vs an inline 6... I have a flat floor behind my firewall in the red bus..


couple images of my bus to give you an idea of the lighter duty short wheel base 3800 chassis..


IMG_3074.jpg


IMG_2530.jpg
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Old 03-30-2019, 08:02 PM   #14
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If Don measured his at 91" and yours is only 60", there's a 31" difference, how do figure 4" widening will be enough?
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Old 03-30-2019, 08:04 PM   #15
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Quote:
Originally Posted by cadillackid View Post
remember there are variants of the 3800... my red bus has a much lighter duty short wheel base 3800 then my DEV bus..



the axle in my red bus is an S110 (an F550 axle).. the wheelbses is probably just a little long for the truck pictured above.. but not a huge bunch..



width-wise you can gain a bit of width back in the rear if you are lower weight by going single rear wheel...



my front width looks a bit barrower on the red bhus than on my DEV..



I can measure mine for you if anyone is interested..

it has a GVWR of 17500.. and uses 8 lug 19.5" wheels (F550 style)..



in fact that chassis with the T-444E drivetrain might be a near perfect fit... the V-8. would be easier to fit a truck cab on and not need a doghouse vs an inline 6... I have a flat floor behind my firewall in the red bus..


couple images of my bus to give you an idea of the lighter duty short wheel base 3800 chassis..


Attachment 31300


Attachment 31301
His important criteria is overall width, that doesn't change due to wheel base ever, does it?
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Old 03-30-2019, 08:34 PM   #16
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Quote:
Originally Posted by Jmlcolorado View Post
By the looks of them, it appears the front wheels line up with the outer duals, making the rear about the same measurement. Does that seem accurate?
Got out the old 8 ft. measuring plank. Pics 2,3, and 4 are front tires, pics 5 and 6 are rears (I was holding the camera against the sidewall and shooting straight down), pics 7 and 8 just to show the tires are aired up. Rears were right at 96" wide.


Quote:
I put a 1968 Chevy c10 chassis under a 1950 international and converted the front to power steering and brakes. Was one heck of a fun project and it drives fantastically. Kids love that truck.
Hell....I'D love that truck! Got any pics?
Attached Images
File Type: jpg 1.jpg (136.5 KB, 5 views)
File Type: jpg 2.jpg (268.8 KB, 4 views)
File Type: jpg 3.jpg (364.2 KB, 3 views)
File Type: jpg 4.jpg (291.3 KB, 4 views)
File Type: jpg 5.jpg (370.0 KB, 2 views)
File Type: jpg 6.jpg (387.3 KB, 1 views)
File Type: jpg 7.jpg (298.7 KB, 1 views)
File Type: jpg 8.jpg (302.3 KB, 1 views)
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Old 03-30-2019, 09:10 PM   #17
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Quote:
Originally Posted by o1marc View Post
His important criteria is overall width, that doesn't change due to wheel base ever, does it?



it always seemed like my red bus is narrower at the wheels than my DEV.. but that could be a component of hub and wheel offset / rim width.. theres no way I have 20". and I dont see a way to gain 20"



the rear would probably fit if his weight criteria we for a single rear wheel.. the rear axle width is always narrower on a bus that the front since it expects duals.. I know there are all kinds of different offsets available for 19.5" 8 bolt rims..



he moight be better off looking for an f450 chassis... would be a standard dually pickup width or much closer to it than a 3800..
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Old 03-30-2019, 11:07 PM   #18
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Quote:
Originally Posted by cadillackid View Post
remember there are variants of the 3800... my red bus has a much lighter duty short wheel base 3800 then my DEV bus..



the axle in my red bus is an S110 (an F550 axle).. the wheelbses is probably just a little long for the truck pictured above.. but not a huge bunch..



width-wise you can gain a bit of width back in the rear if you are lower weight by going single rear wheel...



my front width looks a bit barrower on the red bhus than on my DEV..



I can measure mine for you if anyone is interested..

it has a GVWR of 17500.. and uses 8 lug 19.5" wheels (F550 style)..



in fact that chassis with the T-444E drivetrain might be a near perfect fit... the V-8. would be easier to fit a truck cab on and not need a doghouse vs an inline 6... I have a flat floor behind my firewall in the red bus..


couple images of my bus to give you an idea of the lighter duty short wheel base 3800 chassis..


Attachment 31300


Attachment 31301
Interesting. Thatís a great point about the V8 version. And I wasnít aware there was a lighter duty 3800. That would in fact probably suit the truck better. The wheelbase is obviously much closer too.
Thank for that info!
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Old 03-30-2019, 11:09 PM   #19
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Originally Posted by o1marc View Post
If Don measured his at 91" and yours is only 60", there's a 31" difference, how do figure 4" widening will be enough?
You’re right. I should have clairified.
I had stopped and measured a bus the other day I saw in a parking lot.
The outside to outside was 81” IiRC. My outside to outside is 60” but the fenders are wider than that. In fact, they are nearly 80”. This doesn’t take into account clearance for the wheels and that would be based off how high off the frame I set the cab and front clip.
The frame rails on this truck are 34” wide out to out, and are flat from front to back, which really helps my case quite a bit already.
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Old 03-30-2019, 11:23 PM   #20
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Got out the old 8 ft. measuring plank. Pics 2,3, and 4 are front tires, pics 5 and 6 are rears (I was holding the camera against the sidewall and shooting straight down), pics 7 and 8 just to show the tires are aired up. Rears were right at 96" wide.




Hell....I'D love that truck! Got any pics?
Do I have pics? Oh boy do I

Search JMLColorado on YouTube for my channel and youíll see 3 videos of the build process. I bought the truck in order to teach myself all the inís and outís of the various systems on a vehicle.
It worked.
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