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Post by lars on Jan 1, 2024 18:08:42 GMT -8
Looking at some pics and I still can't figure this out. The long corner handrails suggest phase I while the steps are longer and the footboards look more like phase II. Some also have an ECFAB behind the cab. Is there a defined phase to these or are they sort of a mix?
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Post by fishbelly on Jan 1, 2024 18:46:42 GMT -8
www.trainweb.org/jaydeet/gp40.htmGP40 Phases: Phase Ia1- diamond-mesh radiators; Type 1 endplates (same as on GP7-GP35); "flat-button-top" fans, flat equipment boxes below the cab. 11/65-3?/66 Phase Ia2- ribbed equipment box on the fireman's side. 3/66-4?/66 Phase Ia3- ribbed equipment boxes on both sides. 4/66-9/67 Phase Ia4- ECAFB appears behind the cab (NYC 3081-3104 only?) 10-11/67 Phase IIa1- Type 2 (zig-zag) endplates. 7/67-10/67 Phase IIa2- ECAFB appears behind the cab (though many earlier GP40s had this retrofitted), open-top fans. 9/67-2/68 Phase IIa3- nose grab irons changed to bottom-mount drop grabs. 2-6/68 Phase IIb- square-grid radiators 6/68-4/71 Phase IIc- long hood stanchions all on 4-foot spacing; bottoms of those stanchions all level; ribbed blower bump; d/b front taper elongated. 4/71-12/71 (Some of these and Phase III had the taller d/b fan with the recessed flange base.) Phase III- Type 3 endplates (Dash-2 style). 12/71 Type I endplates are the same as a phase II GP35 Brian
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Post by ChessieFan1978 on Jan 2, 2024 10:49:00 GMT -8
Pretty sure the stock Atlas GP40 is Phase I. You can change a few details to represent a later Phase II and III if your a kit basher. I have a few that I had STM models upgrade over the years. The Handrails are the only sticking point on mine.
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Post by ChessieFan1978 on Jan 2, 2024 11:11:58 GMT -8
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Post by rockfan on Jan 2, 2024 12:51:51 GMT -8
If the link from Chessiefan is right it's phase 1.
On the original Atlas forum I asked for the 4700 series RI of course and the reply was it was a different phase from what they make.
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