Swiss Federal 0-8-0 Locomotives in Switzerland

Class E4/4 - saturated (Locobase 20467)

Data from "New Locomotives, Swiss Federal Rays", Locomotive Magazine, Volume XXII [22] (15 July 1916), p. 138-139.

No surprise that this class was designed to handle the heavy grades on the SBB. SLM supplied both the superheated engines shown in Locobase 20468 and the . The two subtypes were essentially identical except for the differences arising from installing a superheater.

According to LM, all six locomotives benefited from the "light and elegant" Walschaert gear design, which was "very strong, with ample bearing surfaces."

The water tank layout featured full-height tanks alongside the rear half of the locomotive and much shallower tanks that lay partially inside the frames. The latter carried a "considerable volume of water between the frames, thereby lowering the centre [sic] of gravity and keeping the weight between the wheels."

A 60-kph speed limit contributed to "steadiness in running."

Class E4/4 - superheated (Locobase 20468)

Data from "New Locomotives, Swiss Federal Rays", Locomotive Magazine, Volume XXII [22] (15 July 1916), p. 138-139.

No surprise that this class was designed to handle the heavy grades on the SBB. SLM supplied both saturated boilers (Locobase 20467) and the superheated engines shown here. The two subtypes were essentially identical except for the differences arising from installing a superheater.

According to LM, all six locomotives benefited from the "light and elegant" Walschaert gear design, which was "very strong, with ample bearing surfaces."

The water tank layout featured full-height tanks alongside the rear half of the locomotive and much shallower tanks that lay partially inside the frames. The latter carried a "considerable volume of water between the frames, thereby lowering the centre [sic] of gravity and keeping the weight between the wheels."

A 60-kph speed limit contributed to "steadiness in running."