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Re: (ET) GE Motor Codes
- Subject: Re: (ET) GE Motor Codes
- From: "SteveS" <ssawtelle fcc net>
- Date: Thu, 15 May 2003 12:53:18 -0400
- Delivery-date: Thu, 15 May 2003 12:48:11 -0400
- Envelope-to: elec-trak-outgoing cosmos phy tufts edu
- References: <LPBBIFAILKDKOGDPGKLGCELEFNAA.firstname.lastname@example.org>
- Sender: owner-elec-trak cosmos phy tufts edu
My understanding is that the E12S is just like an E15 (including the same
motor) except it does not have the field weakening throttle settings (only
The E12 (no 'S') has different wiring and I think it has a different
There is confusion (at least with me) as my E12S is labelled as an E12 on
the hood. I found out it was different when I tried to repair it and
couldn't make sense of the wiring using an E12 schematic. Someone suggested
I try the E12S schematic and suddenly it was clear.
So in then end, you may need to check out the motor plate. I think one easy
way to tell the difference if the control panel is removed (large plate
under the dash, driver area), is the E12S and E15 use a small copper shunt
to measure current and the E12 uses a length of wire (20 some inches as I
It would be nice to have a timeline of the various models and what they
I've never seen much on it.
----- Original Message -----
From: "Pieter Litchfield" <plitch attglobal net>
To: "Discussion List Electrac tractor" <>; "SteveS" <ssawtelle fcc net>
Sent: Thursday, May 15, 2003 12:37 PM
Subject: RE: (ET) GE Motor Codes
> I have both an e-12 and an e-15. Since the e-15 uses field weakening to
> increase motor speed in the top "gears" of the speed control, and the
> does not, can the e-12 and e-15 use the same motor? Is the difference
> entirely in the controls? No, I haven't looked under my tractors - that
> would be way too easy.
> -----Original Message-----
> From: owner-elec-trak cosmos phy tufts edu
> [mailto:owner-elec-trak cosmos phy tufts edu]On Behalf Of SteveS
> Sent: Thursday, May 15, 2003 12:02 PM
> To: elec-trak cosmos phy tufts edu
> Subject: Fw: (ET) GE Motor Codes
> Here's a start:
> From the only documentation I could find from the GE web site:
> The 5BCY series is only identified in a list of "Other small DC motors"
> The 'C' indicates a wound field. Permanent magnet motors have a 'P' in
> The '56' is the frame size.
> As a point of reference, my E12S motor (same as E15 I think) is a
> From another GE reference:
> The history of the GE model numbering system is actually quite old
> back to the early 1900's.
> Today's system has evolved from many years of experience. Learning from
> past, it became quite clear
> to GE a system was needed to identify motor characteristics, ratings,
> accessories with the model
> number alone. This system was first devised and implemented around 1970.
> example of a model
> number would be 5CD194HA001A001. About 75% of our replacement requests
> of this format.
> Another format for model numbers following this pattern:
> 5CD14D02A112003 5CD580G12AB
> These types of model numbers have been in use since about 1960 and are
> second most frequent style
> seen on a daily basis representing about 15% of our requests. With these
> types of model numbers, it is
> impossible to specify completely which motor is being requested without
> serial number.
> About 5% of the replacement requests have model numbers with format:
> 33A1557 5B225A50
> I'm guessing our motor numbering system is in the middle group.
> - SteveS
> > ----- Original Message -----
> > From: <ThompsonG DFO-MPO GC CA>
> > To: <elec-trak cosmos phy tufts edu>
> > Cc: <gthompson149 Cogeco ca>
> > Sent: Thursday, May 15, 2003 10:43 AM
> > Subject: (ET) GE Motor Codes
> > OK Guys
> > I have a General Electric motor model 5BC Y56 TA 2, Can any body tell
> > me
> > to read the motor codes. Thanks
> > Geof Thompson B.Sc., C.L.S.
> > 905-336-4698 | facsimile / télécopieur 905-336-8916
> > Thompsong dfo-mpo gc ca <mailto:Thompsong dfp-mpo gc ca >
> > Technical Services | Canadian Hydrographic Service | Services
> > Technique, Service hydrographique du Canada
> > Central & Arctic Region | Région Centrale et de l'Arctique
> > Fisheries and Oceans Canada | 867 Lakeshore Rd, Burlington,
> > (Ontario) L7R 4A6
> > Pêches et Océans Canada | 867 chemin Lakeshore, Burlington (Ontario)
> > L7R 4A6
> > Government of Canada | Gouvernement du Canada