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#1488279 02/17/2023 11:41 PM
Joined: May 2001
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'Bolter
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In looking up some info on old Chevy dipsticks, I came across this:

55-57 ALL (6 cyl) (2nd Ser) ( exc. D-D)

There's another reference to: (exc. D-D, COE)

What does the D-D stand for?

Thanks
.


1948 3/4-Ton 5-Window Flatbed Chevrolet

34 Years. Now with a '61 261, 848 head, Rochester Monojet carb, SM420 4-speed, 4.10 rear, dual reservoir MC, Bendix up front, 235/85R16 tires, 12-volt w/alternator, electric wipers and a modern radio in the glove box.
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O
'Bolter
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Detroit Diesel


1950 Chevrolet 3100 (Ol' Roy)

1939 Packard Standard Eight Coupe (The Phantom) | 1956 Cadillac Coupe de Ville (The Bismarck) | 1964 Ford Galaxie 500 coupe |1966 Ford Mustang (Little Red) | 1969 Pontiac GTO (The Dishpit) I 1979 Ford F-100 | 1976 Ford F-150 (Big Red) | 1995 Ford F-150 (Newt)
Joined: Feb 2004
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H
Kettle Custodian (pot stirrer)
Kettle Custodian (pot stirrer)
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Posts: 29,760
A 57 Cadillac grill?


"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!
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2
'Bolter
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Double duty
Aka: step van

Usually a 1 ton chassis but doesn’t share much at all with the pickup
Good for:
Bread delivery, dry cleaning, mail carrier, packages etc

D-D is not a coe but just as ugly
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Last edited by 2ManyTrucks; 02/18/2023 12:48 AM.
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O
'Bolter
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Originally Posted by Hotrod Lincoln
A 57 Cadillac grill?

"56, actually
Attachments
DriveInvasionCad.jpg (110.93 KB, 195 downloads)


1950 Chevrolet 3100 (Ol' Roy)

1939 Packard Standard Eight Coupe (The Phantom) | 1956 Cadillac Coupe de Ville (The Bismarck) | 1964 Ford Galaxie 500 coupe |1966 Ford Mustang (Little Red) | 1969 Pontiac GTO (The Dishpit) I 1979 Ford F-100 | 1976 Ford F-150 (Big Red) | 1995 Ford F-150 (Newt)
Joined: Jun 2022
Posts: 557
J
'Bolter
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Posts: 557
We called 'em Bumper Bullets.


~~ Jethro
1954 3100
Back to Life
In the Dity Gallery
1951 3100 (gone) / 1956 4400 (still in the neighborhood) / 1957 6400 with dump body (retired) / 1959 3100 panel (in the woods junked) / 1978 Custom Deluxe K10 / 1993 S-10 4.3 / 2004 Chevy Crew Cab / 1945 John Deere H / 1952 John Deere B / 1966 John Deere 2510 / 1967 John Deere 1020
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O
'Bolter
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Originally Posted by 2ManyTrucks
Double duty
Aka: step van

Usually a 1 ton chassis but doesn’t share much at all with the pickup
Good for:
Bread delivery, dry cleaning, mail carrier, packages etc

D-D is not a coe but just as ugly

Really? I always thought it was Detroit Diesel. I think even on this site I saw that but learn something new every day.


1950 Chevrolet 3100 (Ol' Roy)

1939 Packard Standard Eight Coupe (The Phantom) | 1956 Cadillac Coupe de Ville (The Bismarck) | 1964 Ford Galaxie 500 coupe |1966 Ford Mustang (Little Red) | 1969 Pontiac GTO (The Dishpit) I 1979 Ford F-100 | 1976 Ford F-150 (Big Red) | 1995 Ford F-150 (Newt)
Joined: Aug 2018
Posts: 1,004
2
'Bolter
'Bolter
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The definitions of all the letter codes and acronyms are in the beginning of all the parts manuals
D-D as the post asked above is definitely double-duty in this case.
It’s important to decipher all the codes when you are planning your part hunt trip to the junk yard
Some parts are shared across a vast majority of vehicles so you can pick up a much less worn out part sometimes by looking places no one else does
Like at a D-D truck for instance smile
-s

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J
62401
62401
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Indeed -- Context is everything.


~ John

A kid raised on Hotwheels, Matchbox and Tonka cannot be reasonably expected to own only one vehicle as an adult.

1949 Chevrolet 3804
In the Legacy Gallery | In the Gallery Forum
1973 IH 1310 Dump
1963 Kaiser M38A1
2001 International/AmTran RE3000 "Skoolie"
2014 Ford E-350 4x4 (Quigley)
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E
Crusing in the Passing Lane
Crusing in the Passing Lane
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While D-D stands foe Detroit Diesel in another context, Double Duty applies here.

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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Those Caddy front ends were also known as "Marilyn Monroe" grills!
Jerry


"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!
Joined: Dec 2008
Posts: 1,922
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'Bolter
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Bumper adornments also called "Dagmars" after a famous beauty of the day.

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'Bolter
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2 many trucks I have been watching for the wheels on your final bread truck picture since 1982. My 51 3600 has that dual wheel differential and added leaf springs to haul canned milk in the 50's because single wheels couldn't take the load. I knew the guy who fixed that up but never got the axle he used. Iv'e always thought the axle was GM. Have hauled 25 years worth of firewood with it plus winch truck duty,still alive and well !!

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2
'Bolter
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The d-d trucks had the same 18 inch split rims as the 1 ton dualies?
Photo attached of one of my dual 1 ton 53s
That rear rim configuration is very common and cheap and easy to get up in Saskatchewan, those rims go for like $50 each up there.
-s
Attachments
CDE28DA5-66C6-48D1-A2A6-C120216794F4.jpeg (373.89 KB, 152 downloads)

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'Bolter
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2 Many Trucks Just saw your ton ,my rear axle has a stubby hub just like that. Had a ton one oh ten years ago but never made the hookup between the two. Was afraid it might be out of a binder or worse. S o is Chevy ,think I put a pinion seal in it just used the numbers. Had to make a driveshaft and done a little cheating on the carrier bearing to get straight but is fine,and had some big loads and steep hills worked good !! thanks for the picture.

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'Bolter
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1940 Dubl-Duti
Model KP
3102 CCH chassis

The first generation of General Motors multi-stop delivery van was called the Dubl-Duti , introduced in 1940. The van was built on the ½ ton, 113½’’ truck chassis, with a body built by Divco Twin. They produces 16658 for 1940.
Attachments

Last edited by jimgmc; 02/21/2023 5:10 PM.
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O
'Bolter
'Bolter
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Was that truck built on the same frame as the Suburban/pickup?


1950 Chevrolet 3100 (Ol' Roy)

1939 Packard Standard Eight Coupe (The Phantom) | 1956 Cadillac Coupe de Ville (The Bismarck) | 1964 Ford Galaxie 500 coupe |1966 Ford Mustang (Little Red) | 1969 Pontiac GTO (The Dishpit) I 1979 Ford F-100 | 1976 Ford F-150 (Big Red) | 1995 Ford F-150 (Newt)

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