Re: [CBQ] RE: [EMD] F-2's - F-3's (F-5 model designation on the CB&Q)

["John Manion railbass@comcast.net [CBQ]" <CBQ@yahoogroups.com>]

Charlie -

I am a student and modeler of D&RGW diesel units and use Strapac's Rio Grande Diesels and Don Strack's UtahRails.net as my primary sources.   Don says that 619 transition units were built August 1948 to February 1949.   Many of them had D27B traction motors and Type B power transition as used on F7s, but they had the dynamic brakes used on the F3s.   The distinguishing feature on them was the rectangular dynamic brake grills fitted into the roof rather than the low profile 36" fans of the F7s.   There may or may not have been a model plate, as EMD did not include them on every unit.   One way to identify an F5 from a side view would be to see the roof in front of the low profile radiator fans as being completely flat, as the 36" fans were visible from ground level.   Of course, the one exception to this point are the CZ F3s, 9960-9962, the only Q F units which did not have dynamic brakes.   The F5 was an interim unit prior to F7 production, and most if not all were retrofitted to be F7s not long after early 1949.

- John Manion

  RGMHS Exhibit Coordinator

On Wed, Nov 5, 2014 at 10:40 AM, 'Charlie Vlk' cvlk@comcast.net [CBQ] <CBQ@yahoogroups.com> wrote:

 

Bill and Lists-

This discussion was on the EMD list and I am copying it to the CBQ list as it might be of interest there…..

I thought I had a photo or other documentation for the CB&Q officially referring to the F-5 model; looking through my photos I cannot find such (all my photos of the 133-ABCD are not sharp enough to read the model plate). The roster in the Burlington in Transition and EMD Locomotive Reference Data books do not support it either.

Somehow I recall seeing the F-5 badge “back in the day” and thought it odd then but since it has been around 40 years now I could be mistaken.    The units I suspect were “F-5s” are the 133-ABCD; they were delivered out of sequence and later than the last sister F-3 units and had the external features of an F-7 (as did the other units on that order) but not sure of the dynamic fan.  

While on the subject of CB&Q F units; the roster shows the two of the four unit FTs broken into two unit sets 101-CD in 1-44 to 201-CD and 102-CD to 202-CD in 2-44.  What happened to the 101-AB and 102-AB in that time period before the arrival of the

F-2A units and combination in 1946 with the 100-ABCD thru 104-ABCD into three unit FT/F2 sets  150-ABC thru 159-ABC?

Charlie Vlk

 

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Posted by: John Manion <railbass@comcast.net>

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