CK5
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what years were the k30s built?

From 1977-1991 (K30 from 1977-1986, V30 in 1987 and 1988, and V3500 from 1989-1991 I believe).

The first few years they were available with either a straight six or a small block, they weren't available with big blocks until the early '80s though, not sure of the year. Also not sure what the first year you could get a diesel in one.

They all had Dana 60 fronts, the DRWs have Dana 70 rears and the SRWs have 14bff's.

You could get them with either a SM465/NP205 or a TH400/NP205 (4L80E/NP205 in 19991).

Martin

So would a 1980 K30 d60 14ff np205 th400 be a rare truck? This is the last year of this fender style.
 
more rare than the rest of the 80's.
 
when im not looking and have no money, i find a few. when im ready to buy, theres none.

i have bought every one i could afford. my current 84 and two 87s. shoulda kept em all:o. i miss them.
 
From 1977-1991 (K30 from 1977-1986, V30 in 1987 and 1988, and V3500 from 1989-1991 I believe).
Chevy's were 30's and GMC's were 3500's. I'm not real sure exactly what year both were designated 3500's.

The first few years they were available with either a straight six or a small block, they weren't available with big blocks until the early '80s though, not sure of the year. Also not sure what the first year you could get a diesel in one.
I know '81 had BBC's as I've seen a few of them. '82 also had them for sure as I've owned one before.

They all had Dana 60 fronts, the DRWs have Dana 70 rears and the SRWs have 14bff's.
DRW's also ran 14FF's. These were a narrow axle. Trucks that ran a narrow 14FF didn't have the fleetside beds with fiberglass fenders. These trucks were generally trucks that were meant for flatbeds or utility beds, etc. They kept the rear tire widths tucked under the beds and not protruding out so far like the D70HD.

You could get them with either a SM465/NP205 or a TH400/NP205 (4L80E/NP205 in 19991).
Don't forget the 350/203 and 400/203 combo. '77 trucks can have these if they didn't opt for the 465/205 setup. I'm also not real sure exactly what year the 400 tranny began in these K-series trucks but I have seen them in '79 for sure. All '80 trucks had the 205 t-cases and tranny options were 400 or 465 only. I've seen a '79 K3500 with the 400/203 combo, too.

Martin
...
 
I've never seen the TH350 in a K30, but you might be right. I forgot about the NP203's in the 1977-1979 automatics. My 1982 K30 has an OEM 454, my 1980 K30 had a 350. I think 1981 might have been the first year the 454 was available. Someone on here should know.

Martin
 
I believe '81 was the first year for the BBC's also, at least in the options package.
 
I never understood that. You couldn't get the 454 in a K30, but you could in a little short bed C10 (I'm talking late 70's of course).
 
All "normal" dually pickups came with the Dana 70, single cab or crew.
 
huh. i have parted out 4 duallys and all had 14 bolts.
a customer of where iused to work had a whole fleet of duallys from 77' to about 85' and not 1 of them had a 70 in the rear. some where cab and chassis and some where regular, but they where all 2wd. maybe thats the difference. but i have seen a 2wd cc drw with a 70
 
huh. i have parted out 4 duallys and all had 14 bolts.
a customer of where iused to work had a whole fleet of duallys from 77' to about 85' and not 1 of them had a 70 in the rear. some where cab and chassis and some where regular, but they where all 2wd. maybe thats the difference. but i have seen a 2wd cc drw with a 70
My 79 K30 was a regular cab dually. It was equipped with a 350 SBC, TH400, NP203, D60 (of course) and a D70HD. All factory according to the build sheet in the glove box that matched the vin# on the rest of the truck.
 
My '90 V3500 dually w/ D70-
axle.jpg

axle6.jpg
 
"Normal" regular cab duallys got the same Dana 70. You sure you weren't looking under cab and chassis trucks?
 

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