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 Post subject: Engine prefixes
PostPosted: Fri Aug 18, 2017 5:35 pm 
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Joined: Wed Sep 28, 2011 5:36 pm
Posts: 341
Ok, so something I've been thinking of and trying to figure out lately is the complete list of all the prefixes Brockway used for all the various engines they used. As far as I can tell, engine prefixes didn't come into use until the late 200 series trucks, and became standard with the 300 series, since prior to that there really wasn't a reason to distinguish the engine in a model of truck since each model only had one engine available. So far this is what I have came up with. All of this has been compiled from info I found on here and from Huskidrive.com, which has a partial list but there are a few that are not listed on there.

A=Detroit Diesel 6V53
B=Continental 42B (427 cid flathead)
C=Cummins C160/C180 (*)
E=Detroit Diesel 6-71
F=Caterpillar 1674
H=Caterpillar 1693
J=Cummins 555
K=Detroit Diesel 8V71
L=Continental 44BD (478 cid OHV) (*)
M=Detroit Diesel 8V92
N=Cummins (both 743 cid and 855 cid engines)
T=Cummins V8-185
U=Detroit Diesel 12V71
V=Cummins 903

* Both of these prefixes appear to have been used for two different engines. In the 300 series, it appears that both were available as I have listed in the 358, but I found a 776 cut sheet that lists the various 776 models as A776, C776, E776, L776, and N776, and has engines available listed separately as the 6V53, 6-71, Cummins inline 6, and also the 6V92 Detroit and 3208 Cat. So going off my list, A, E, and N were obvious as to which engines they matched up to, but the question is which of the remaining two engines was a C and which was an L? As far as I can tell from my research, this is the only case I can find where a prefix was reused for a different engine after the original engine it was used for was unavailable.

Does anyone have any other engines to add to the list and is this list accurate as far as everyone can tell?

Shelby


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 Post subject: Re: Engine prefixes
PostPosted: Fri Aug 18, 2017 8:37 pm 
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Joined: Sat Aug 25, 2012 10:06 pm
Posts: 271
Location: Marydel DE
Hey Shelby. Have you ever been to Tom Millard's site? LOTS of good info on there.

http://www.huskidrive.com/

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Chad Crawford

Brockway Model N358T-daily driver ;)


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 Post subject: Re: Engine prefixes
PostPosted: Sat Aug 19, 2017 12:23 pm 
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That's where I found the majority of them, but there are a few that aren't listed over there that I found mentioned on here. That's my reason for making this post, nowhere seems to show a complete list, so I put together everything I could find to try to make one.


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 Post subject: Re: Engine prefixes
PostPosted: Sat Aug 19, 2017 8:13 pm 
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Joined: Sat Aug 25, 2012 10:06 pm
Posts: 271
Location: Marydel DE
okay

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Chad Crawford

Brockway Model N358T-daily driver ;)


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 Post subject: Re: Engine prefixes
PostPosted: Sun Aug 20, 2017 8:10 am 
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Joined: Sun Mar 01, 2009 9:01 am
Posts: 283
Location: Northeastern PA
Shelby, your list looks good. I don't think any amount of research will give us a 100% complete idea of what Brockway's model prefix and suffix letters meant. But it is great that you are working on the engine prefixes.

I assume you are including the 200 series trucks in your list. If so, a couple things come to mind : the F257T had a Cummins NH-195, and the H257T had a Cummins NH-180. The N257T does match up with your list, with its NH-220. These models were all built before the Caterpillar engines joined the line, so it can be assumed that the F and H prefixes were just recycled.


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 Post subject: Re: Engine prefixes
PostPosted: Tue Aug 22, 2017 12:06 pm 
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I had found those but didn't find anything saying what engines were in those trucks, so in the 200 series the different Cummins engines were given a unique prefix for each one (even though they were all in the 743 family of engines) but the 300 series grouped all the 855 Cummins engines into the same N prefix even though they might be different models, that is interesting.


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 Post subject: Re: Engine prefixes
PostPosted: Tue Aug 22, 2017 12:26 pm 
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So I did some more digging and figured out that in the 776s, a C prefix is the Cat 3208, so that means that the 6V92 must've been the L prefix. So here's the updated list. Steve, the NH-180 and NH-195, now that I do a little more research into those engines themselves, were those actually 672 cid engines? What I can tell is those particular models are a 672 cid, and the NHE-180 and NHE-195 were 743 cid engines, which I did not know before, so I learned something new.

A=Detroit Diesel 6V53
B=Continental 42B (427 cid flathead)
C=Cummins C160/C180 (Caterpillar 3208 in the 776)
E=Detroit Diesel 6-71
F=Caterpillar 1674 (Cummins NH-195 in 200 series)
H=Caterpillar 1693 (Cummins NH-180 in 200 series)
J=Cummins 555
K=Detroit Diesel 8V71
L=Continental 44BD (478 cid OHV) (Detroit Diesel 6V92 in the 776)
M=Detroit Diesel 8V92
N=Cummins 855 engines (Cummins NH-220 in 200 series)
T=Cummins V8-185
U=Detroit Diesel 12V71
V=Cummins 903


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 Post subject: Re: Engine prefixes
PostPosted: Tue Aug 22, 2017 1:19 pm 
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Joined: Wed Nov 05, 2014 12:49 pm
Posts: 193
Location: Horseheads NY
I am almost certain that the NHE was a Cummins prefix used on an 855 series engine. It stood for New Head Economy and was a detuned NH250 built for fuel economy. Penn Yann Express used them at one time. What engines were the 672 cubic inch? I know of the C and J series 6 cylinders being 464 cubic inch, the old 220 being 743 and of course the 855 and the 927 "Super" engines.


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 Post subject: Re: Engine prefixes
PostPosted: Tue Aug 22, 2017 3:41 pm 
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What I'm finding says NHE180 and NHE195 are economy versions of the NH220, and the NH180 and NH195 are 672 cid engines that are basically a smaller bore version of a 743 cid Cummins, there might be a few other differences. The bore of the 672 is 4 7/8 and the 743 is 5 1/8, supposedly the 5 1/8 liners can be put in the 672 with the bigger pistons and make it a 743. I just rediscovered an old Ford truck brochure that had those engines listed that I had remembered seeing years ago, and it lists the NH180/NH195 as 672 cid engines, NHE180/NHE195 as economy versions of the 743 cid Cummins, and then the NH220. NH Cummins has a 4 valve head, the older H engine had a 2 valve head, it was also 672 cid as far as I can tell.


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 Post subject: Re: Engine prefixes
PostPosted: Sat Aug 26, 2017 8:25 pm 
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Found a few new prefixes today while searching Brockway stuff on ebay, stumbled on cut sheets for a D258W and D255W, which had a Cummins JT6B engine, and a Brockway Tandem Tractor Line spec sheet which lists a W459TL, which had a Cummins V8-265.

Current list:

A=Detroit Diesel 6V53
B=Continental 42B (427 cid flathead)
C=Cummins C160/C180 (Caterpillar 3208 in the 776)
D=Cummins JT6B
E=Detroit Diesel 6-71
F=Caterpillar 1674 (Cummins NH-195 in 200 series)
H=Caterpillar 1693 (Cummins NH-180 in 200 series)
J=Cummins 555
K=Detroit Diesel 8V71
L=Continental 44BD (478 cid OHV) (Detroit Diesel 6V92 in the 776)
M=Detroit Diesel 8V92
N=Cummins 855 engines (Cummins NH-220 in 200 series)
T=Cummins V8-185
U=Detroit Diesel 12V71
V=Cummins 903
W=Cummins V8-265


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 Post subject: Re: Engine prefixes
PostPosted: Sun Aug 27, 2017 9:35 am 
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One new prefix to add to the list, and two that were recycled. G for an 6V71 Detroit, and D (which was used in the 200 series for the JT6B Cummins) for the 8V53 Detroit. These came from a 400 series brochure I found on here, I saw these on the Tandem Tractor Line sheet I found on ebay yesterday but the image was too small to see what letters they were so I needed to confirm it before I was sure enough to add it to my list. Also found another prefix list from an article that was posted on here a few years ago that lists M as a 40BD Continental gas engine.

A=Detroit Diesel 6V53
B=Continental 42B (427 cid flathead)
C=Cummins C160/C180 (Caterpillar 3208 in the 776)
D=Cummins JT6B (Detroit Diesel 8V53 in 400 series and later)
E=Detroit Diesel 6-71
F=Caterpillar 1674 (Cummins NH-195 in 200 series)
G=Detroit Diesel 6V71
H=Caterpillar 1693 (Cummins NH-180 in 200 series)
J=Cummins 555
K=Detroit Diesel 8V71
L=Continental 44BD (478 cid OHV) (Detroit Diesel 6V92 in the 776)
M=Detroit Diesel 8V92 (40BD Continental gas also)
N=Cummins 855 engines (Cummins NH-220 in 200 series)
T=Cummins V8-185
U=Detroit Diesel 12V71
V=Cummins 903
W=Cummins V8-265


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