Bulletin: RhB Gem 4/4

For use under wire as a standard electric loco and to push snow plow Swiss Rhetian Railway (RhB) ordered two hybrid diesel electric locos Gem 4/4 in 1968. A 12 cylinder Cummins diesel motor generates the energy for the four electric traction motors. In both mode of operation the locos reach a maximum speed of 65 km/h.

Key	Function	Soundslots	Volume CVs	Volume value
Light	light front on / off
F1	drive sound (fan)	2	267	128
F2	drive sound (diesel)	1	259	128
F3	whistle long	3	275	128
F4	short whistle	10	331	128
F5	compressor	6	299	128
F6	acceleration/brake time, shunting mode/shunting speed
F7	curve squeal	11	339	85
F8	diesel motor 2 (snowblower operation)	4	283	128
F9	compressed air let off	7	307	128
F10	conductor's signal	9	323	128
F11	coupler clank	5	291	128
F12	brake release	12	347	80
F13	Soundfader
F14	station announcement #1	15	371	128
F15	station announcement #2	17	387	128
F16	station announcement #3	19	403	128
F17	station announcement #4	22	427	128
F18	station announcement #5	13	355	128
F19	radio conversation #1	16	379	128
F20	radio conversation #2	18	395	128
F21	radio conversation #3	20	411	128
F22	radio conversation #4	21	419	128
F23	radio conversation #5	23	435	128
F24	adio conversation #6	24	443	128
F25	radio conversation #7	14	363	128
F26	deactive brake squeal sound