Talk:CIÉ 121 Class

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EMD's first European loco export?

Was the CIE 121 EMD's first Euro loco export?Suckindiesel

I believe they were. Are the power ratings you're stating for the engines the power available for traction rather than the stated "full power"? CIÉ themselves state on their website that the 567 engines used in the 121 and 141 class locomotives are 950hp while the 645 engines in the 181s are 1100hp and 2,450 for the 071 class. Karsini 19:27, 25 January 2007 (UTC)[reply]

Just wondered about definition of "first European loco export" statement. There were certainly EMD locos in Europe long before the 121 class e.g. the US army had one in Germany immediately post-war, several private freight operators had EMD engined locos, but built locally, in the '50s. However the 121 would be the first Le Grange built loco exported to Europe.
Re HP ratings, again it’s all a matter of definitions. The higher figures would represent the gross engine HP. I used the traction or net HP rating, the difference is due to the power absorbed in driving engine auxiliaries. This is the AAR recommended method for defining loco power.
The British Rail Class 66 entry quotes 3000 HP, EMD's own web-site calls this a "3000 HP" loco, the .pdf fact sheet quotes 2268 kW (3041 HP) traction and 2420 kW (3245 HP) for engine. Therefore this entry uses the same definition for HP as I used for the 121 etc. However either method is "correct", the gross figure would apply to the actual engine, the net or traction figure would apply to the loco's available power.
But which figure should be used? Suckindiesel 23:23, 25 January 2007 (UTC)[reply]

I couldn't tell you to be honest, I don't know what the official policy is (if there is one). Therefore anything I suggest would just be personal opinion. Karsini 23:14, 27 January 2007 (UTC)[reply]