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13thOct2026

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Class 73 Diesel/Electric Hybrid


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YouChoos installation guides

Listen to a recording of this project

Configuration: Bo-Bo
Prime Mover: English Electric 4SRKT MkII + Traction Motors for (3rd rail DC)
Recordings: 73963 GB Railfreight (MS PREMIUM sounds)
With thanks to Richard Evans at GBRf, Tonbridge
GBRf


STEP 1 - Choose which project variant you want...

Include:
Zimo MX

Zimo MS

immersiveDrive

Traditional
immersiveDrive (with Active Braking Key)
MS16BitPREMIUM
Sounds by YouChoos
For Zimo MS decoders
Part of the YouChoos PREMIUM sounds range

Traditional (Throttle Braking)
MS16BitPREMIUM
Sounds by YouChoos
For Zimo MS decoders
Part of the YouChoos PREMIUM sounds range

immersiveDrive (with Active Braking Key)
MS16BitHELJOXLPREMIUM - Special version for Heljan O gauge models with XL socket (use MS990L)
Sounds by YouChoos
For Zimo MS decoders
Part of the YouChoos PREMIUM sounds range

Traditional (Throttle Braking)
MS16BitHELJOXLPREMIUM - Special version for Heljan O gauge models with XL socket (use MS990L)
Sounds by YouChoos
For Zimo MS decoders
Part of the YouChoos PREMIUM sounds range

immersiveDrive (with Active Braking Key)
MS16Bit
Sounds by YouChoos
For Zimo MS decoders

Traditional (Throttle Braking)
MS16Bit
Sounds by YouChoos
For Zimo MS decoders

MS16BitHELJOXLPREMIUM - Special version for Heljan O gauge models with XL socket (use MS990L)
Traditional (Throttle Braking)
Sounds by YouChoos
For Zimo MS/FS decoders

Traditional

PREMIUMPart of the YouChoos PREMIUM sounds range...
Our best quality sounds yet, using latest recording equipment and editing techniques, giving you fabulous crystal clear sounds!
PREMIUM
Download Zimo .ZPP project file to load yourself
(Coded projects need a LoadCode to be purchased -
requires MXULFA/KLUG/Z21 hardware)

Download encrypted ZPP project to load yourself needs LoadCode
Download standard documentation for this project
(Normally .PDF format)
Download template documentation for project
Function Keys:
F0F0fwd + F0rev directional lights
F1MainSounds
F2Horn
F3FA4 rear cab+FA6 front cab
F4FA9 fan
F5QuickSelect (Hybrid Switch)
F6Horn
F7Notch Up
F8Flange
F9Guard's Whistle
F10Horn
F11Bell
F12ShuntingMode+Half Shunt
F13Announcement
F14Compressor
F15Door
F16Primer and Pump
F17Horn
F18Horn
F19Mute
F20Volume Decrease
F21Volume Increase
F22Clack
F23Fan
F24Horn
F25Beeps
F26Destroy Air
F27Horn
F28Coupling Up

STEP 2 - Choose Sound Decoder...

Filter by
Connection:

ALL
show all types

8pin
(on wires)

6pin
(on wires)

6pin
(direct)

Wires
(all with wires)

Next18
(direct)

E24
(direct)

21pin
(direct)

PluX22
(direct)

PluX16
(direct)

L-Type
large scale
(pins/screws)

XL-Type
large scale
(pins/screws)

PCB/Special
(pads/contacts)

Unlock Code
(software)

STEP 3 - Choose Speaker...


STEP 4 - Add Sound Kit To Basket...

Summary of choices...

Project:CLASS73
Variant:TRADMS16BitHELJOXLPREMIUM - Traditional (Throttle Braking) - Special version for Heljan O gauge models with XL socket (use MS990L) - For Zimo MS/FS decoders
Decoder:

-- not yet selected --

Speaker:

-- not yet selected --

Add to basket


Please complete choices above

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