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 Posted - February 22 2011 : 06:27:20 AM
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I'm trying to identify this unpainted shell, I had it marked tentatively as a GP-35. The Norfolk and Western is an Atlas, and I believe also a GP-35. What is unusual on the unpainted shell is that there are TWO fans in the middle area. I can't find any prototypical or 1:1 engine that matches this one with 5 fans on top instead of 4. Otherwise it's a dead ringer for a GP-35. The whole shell is molded, the center top part does not come off like on an Athearn. I've looked at GP-38 (-2), GP-40 (-2), and definitely not those. So I'm perplexed as to what exactly it is,and who made it. Has screw-mount coupler tower attachments instead of pockets.
Working on the N&W Atlas, it's missing a truck bottom plate that holds on the axles, and also the axles. Found nothing in my stash of junk-box purchases to fit. I may have the axles somewhere else,but will probably have to locate an Atlas replacement bottom plate.
EDIT 2/22 , 7:32 AM - found a truck! Woo-hoo! Has the axles and bottom plate, broken mounting tabs for the chassis , but I will just switch the plate, sides, and axles to the existing truck, so I should be able to get this guy rolling again. The color of the side frames may be off a bit, but otherwise should be compatible. Haven't tried it yet, I'll do that when I get home from work. FINISH EDIT
This may be a fantasy paint scheme, I did some N&W roster research, and didn't find any GP-35's on the one site I checked. Oh well.
Jerry
" When life throws you bananas...it's easy to slip up"
Edited by - AMC_Gremlin_GT on February 22 2011 07:31:51 AM
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Posted - February 22 2011 : 08:11:59 AM
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Hi Jerry. The unpainted shell based on your Picture and the fans. It would seem to be a Atlas / Roco Shell of a SD35.. Later Con-cor also used the shell...
Here is a picture of a Concor SD35 showing the fans...  Carl
Numquam Immoderatio Satis Est
(Too Much Is Never Enough )
Edited by - VintageHO on February 22 2011 08:13:01 AM
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Posted - February 22 2011 : 10:16:12 AM
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quote:The unpainted shell based on your Picture and the fans...would seem to be a Atlas / Roco Shell of a SD35.. Later Con-cor also used the shell...
Originally posted by VintageHOÂ -Â February 22 2011Â :Â 08:11:59 AM
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Sure looks like it to me! Thanks, Carl! I was looking for the wrong model, then, it is an SD instead of a GP.
Jerry
" When life throws you bananas...it's easy to slip up"
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Posted - February 22 2011 : 10:41:40 AM
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Yep, dual fans in the Dynamic Brake area are a reliable give-away for an EMD SD-series.
Incidentally, your N&W unit might be a reworked SD-40, since the 3 radiator fans are all the same size. Obviously the single DB fan is a unique feature. Interesting loco either way.
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Posted - February 22 2011 : 1:29:30 PM
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quote:
Incidentally, your N&W unit might be a reworked SD-40, since the 3 radiator fans are all the same size. Obviously the single DB fan is a unique feature. Interesting loco either way.
Originally posted by spiderj76Â -Â February 22 2011Â :Â 10:41:40 AM
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the DB fan on top of the N&W unit actually looks like PO mounted a black fan on top of an existing one ( double-stacked ). I'll have to examine it closer , you may be right. I'm still learning models and variations of them, so I'll check it out more to see what's up with my NW unit. Thanks for commenting on that observation.
Jerry
" When life throws you bananas...it's easy to slip up"
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Posted - February 22 2011 : 2:04:17 PM
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Actually, I just had a headsmack moment: that N&W is actually a GP-40. All that talk about dual fans and I completely missed the obvious, ha!
The radiator triplet fans make it a -40 (-38 would have two; -30 and -35 have two large with a smaller between).
Looking carefully at the DB "blister", it's not an SD because it's not long enough to house both fans properly. Also, the SD-40 series had those famous, oversized porch/balcony pilots.
On a 2nd-gen EMD without dynamic brakes, you won't have the blister or mid-mount fans in the first place, so you have to rely on axle count and radiator fans as your first clues.
So it looks like someone took a standard Atlas GP-40 and stacked another fan on the DB unit.
The undec unit IS an SD-35, as Carl pointed out.
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Posted - March 30 2011 : 12:01:32 AM
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Worth noting here is that IHC (possibly from Pemco tooling) cloned that SD35, I've had a couple of them. Shell is identical except it has lines molded in the decks along the sides and ends of the locomotive. Drive is much different.
The Atlas one shared chassis with the Atlas/Roco SD24.
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Posted - March 31 2012 : 04:23:01 AM
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IT also could be an old Atlas "yellow & blue" box era SD35, as it is in fact a SD35, BUT the frame at that time was made by both Atlas/Roco, OR Con-cor, you can tell the difference by the flywheels....Atlas/Roco used dual flywheels Con-cor only had a single flywheel.
~John
Many have tried to, and failed, ya just can't repair stupid... 
Do NOT try to Idiot-Proof anything!!!! God, will simply create a better......IDIOT!
Edited by - EM-1 on March 31 2012 04:27:22 AM
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Posted - April 03 2012 : 04:31:17 AM
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As far as I know the only differences in Con-Cor and previous variants of the Roco locomotives are some updates to the electrical circuitry.
For whatever reason Roco let multiple manufacturers import and sell various engines here, which resulted in the EMD hood units being sold initially as Atlas, the FA2, Shark and E7/E9 sold as Model Power, and the C424 sold as AHM, in the 1970s. In the late 1980s after Atlas dropped the various EMD units, Con-Cor picked up those and the E7/E9. The C424 hasn't been made in years, and the FA and Shark remained Model Power to the point they may still have shells available factory direct. So far as I know though all of these units are currently out of production, outdated and surpassed by newer models.
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Posted - April 03 2012 : 10:12:38 PM
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quote:
For whatever reason Roco let multiple manufacturers import and sell various engines here, Originally posted by lvrr325Â -Â April 03 2012Â :Â 04:31:17 AM
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Actually, ROCO had no choice in it. ROCO was paid to make the locos for the various companies. Thus, ROCO made the AHM C424 strictly at the request of AHM. Same with Model Power and Atlas locos.
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