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Size difference
#1298925 02/14/2019 5:01 AM
Joined: Jun 2017
Posts: 177
Odessa
M
Matt_Texas
Offline
Shop Shark
Matt_Texas
Shop Shark
M Offline
Joined: Jun 2017
Posts: 177
Odessa
Every time I head towards my grandfather's farm I see 2 or 3 old AD trucks. Flat beds.

Compared to the 3100, how do they differ as far as sheet metal? Track width wider? Same cabs?
Re: Size difference
Matt_Texas #1298942 02/14/2019 1:40 PM
Joined: Aug 2018
Posts: 28
Illinois
T
ticketman186 Offline
Wrench Fetcher
ticketman186
Wrench Fetcher
T Offline
Joined: Aug 2018
Posts: 28
Illinois
I've been told the cabs are the same. I have a '54 4400 and was told the fenders are a little wider on mine versus a 3100. I have never actually measured and compared so just going by what I have been told.

1954 Chevy 4400
Re: Size difference
Matt_Texas #1298945 02/14/2019 2:08 PM
Joined: May 2005
Posts: 8,877
Lexington, VA
G
Grigg Offline
.
Grigg
.
G Offline
Joined: May 2005
Posts: 8,877
Lexington, VA
Cabs are the same.
Fenders, hood, grill, and related parts are same for 1/2 ton, 3/4 ton, and 1 ton. Short running boards are same for these trucks too
Fenders, hood, grill, and related parts are same for 1.5 and 2 ton.

2 ton is a little wider front track width than the smaller trucks. I believe that 3/4 and 1 ton are same and wider than 1/2 ton by a tiny bit. Plenty of dimensions like these in the shop manuals and "restoration packs" GM once sent out for each year if you asked
http://chevy.oldcarmanualproject.com/shop/1948_51truck/51ctsm0202.htm
http://chevy.oldcarmanualproject.com/chevyresto/index.htm

•1951 GMC 250 in the Project Journals
•1948 Chevrolet 6400 - Detroit Diesel 4-53T - Roadranger 10 speed overdrive - 4 wheel disc brakes
•1952 Chevrolet 3800 pickup
---All pictures---
"First, get a clear notion of what you desire to accomplish, and then in all probability you will succeed in doing it..." -Henry Maudslay-
Re: Size difference
Matt_Texas #1299018 02/15/2019 1:28 AM
Joined: Jun 2011
Posts: 5,096
Longmont, CO
E
EdPruss Offline
Crusing in the Passing Lane
EdPruss
Crusing in the Passing Lane
E Offline
Joined: Jun 2011
Posts: 5,096
Longmont, CO
If you want to drive them, look at running gear, wheel bolt pattern, braking system.

Ed

'37 GMC T-18 w/ DD 4-53T, RTO-610, 6231 aux., '95 GMC running gear, full disc brakes, power steering, 22.5 wheels and tires.
'47 GMC 1 ton w/ 302, NP-540, 4wd, full width Blazer front axle.
'54 GMC 630 w/ 503 gasser, 5 speed, ex fire truck, shortened WB 4', install 8' bed.
'55 GMC 370 w/270, 420 4 speed, grain, dump bed truck from ND. Works OK.

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