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  DCC Solutions

Auscision 422 Class DCC Sound Installation

with Lighting Modifications

Now available with our NEW Remastered

ESU LokSound 5 Custom Sound Project

with the "Full Throttle - Drive Hold" feature.

About the 422 Class

The 422 class are a class of diesel locomotives built by Clyde Engineering, Granville for the New South Wales Government Railways in 1969/70 with a total of only 20 units built and were fitted with an EMD 16-645E roots-blown engine. The delivery of 42201 in January 1969, marked the commencement of a new era of locomotive design in Australia with the first use of a non-streamlined, double-ended box cab full-car body arrangement. The 422 class were introduced into service on the Main South and Illawarra lines where they would spend most of their New South Wales careers hauling passenger and freight services. Among the services they hauled were the Canberra Express, Intercapital Daylight, South Coast Daylight Express, Southern Aurora, Spirit of Progress and Sydney/Melbourne Express.

In late 1980, 42220 was rebuilt at the Clyde Engineering Rosewater SA plant. This locomotive was fitted with many upgraded features, including Super-Series wheel slip technology and an EMD AR16 alternator replacing the D32B generator that was fitted to the rest of the class. Whilst retaining its general shape, many body modifications were carried out. Clyde designated 42220 a model J26C-2SS and it was the only 2000HP locomotive in the world to be fitted with Super-Series.

From 1982 they began to operate through to Melbourne. This ceased in February 1990 when non air-conditioned locomotives would no longer be accepted by Victorian drivers. From 1996 into 1997, the 20 class members were allocated to National Rail, pending delivery of its NR class locomotives. 

DCC with Sound and Light Modifications

In February 2013, Auscision released the 422 Class Locomotive which includes the 21 Pin MTC socket for fitting a DCC decoder and two speaker enclosures that are designed for 40 x 20 mm speakers. In the original factory setup, when operating in DC/DCC all the lights operate directional.

In October 2019, released their second run of the 422 Class which was the same as the 1st release but came with their Vandersound speaker enclosure with twin speakers. With the original factory setup, when operating in DC/DCC all the lights operate directional.

For this installation we recommend the ESU LokSound 5 (Sound) with our Custom Sound Project for the 422 Class or the LokPilot V4.0 (No Sound) for those not wishing sound. We offer several options of DCC installations for this model to suit all budgets and can supply the decoders only for the DIY installers.

We have tweaked the motor control of the ESU decoder to provide super slow smooth speed which is perfect for shunting operations allowing the loco to move ever so slowly towards its rolling stock. Also, for those wanting the locomotive to move off slowly and build up speed like the prototype. You will be impressed with the smooth slow speed motor control.

DCC Solutions offers a light modification for the 422 Class to separate the lights for a more prototypical operation.

We can offer your model full lighting control by separating the headlights, white marker lights, red marker lights and on the 2019 release the numberboards for a more prototypical operational practices in DCC. Both the white and red marker lights at the front and rear can be controlled individually or directionally as well as the front and rear headlights. That allows for no rear red marker lights to be on when the loco is carrying a load behind it or both the front and rear red markers switched on at the same time when the locomotive is standing in a siding or shunting and you can even run with just the front white markers switched on. You can control what lights you want switched on depending on how you are running your 422 Class Locomotive.

Unlike ESU factory sound, our light modification does not use any sound slots for lighting (2013 release), so all the ten sound processing channels are available to play sounds when using all the lighting so you will get the full sound experience all the time.

In the 2019 release, a single sound slot is used for the number boards.*

For a Standard Light Modification we can separate the lights as follows:

1) Headlights - directional with 1 function button

2) Marker Lights - directional with 1 function button

3) Front Headlight - on/off with 1 function button

4) Front White Markers - on/off with 1 function button

5) Front Red Markers - on/off with 1 function button

6) Rear White Markers - on/off with 1 function button

7) Rear Red Markers - on/off with 1 function button

8) Numbers Boards - Front/Both/Rear with 1 function button*

With our light modifications you can operate the lights on your model locomotive closer to the real thing! 

The DCC Solutions NSW 422 Class Custom Sound Project

is packed with sounds and features not found on other sound decoders especially factory fitted sound.

Factory Fitted Sound only offers you the very basic sound for your model

So why not get fully featured sound from DCC Solutions

Our Custom 422 Class Sound Project includes these fantastic features:

Correct Sound for the 422 Class Locomotive

Our DCC Solutions Custom Sound Project with the EMD 16-645E Blower Prime Mover Sound.

Full Throttle – Drive Hold

This feature allows you to simulate a loaded or empty train by pressing the F1 function button. When the button is pressed, the motor will remain at a constant speed, while the sound can be controlled independently by adjusting the speed on the throttle. This exciting, new feature gives the operator the ability to have the train crawl in notch 8 or coast at 100 km/h. Release the Drive Hold function button and you simply go back to throttle-controlled speed and motion. Available only from DCC Solutions, our Drive Hold will stop your loco when you reduce the speed to zero even while the function is still active. Your ESU factory fitted sound will not stop your loco at speed step 0 with the drive hold on.

Coasting on Demand

This feature allows you to enter coasting mode whenever you want with a press of a button. Often when coming to a stop, the throttle of a real locomotive is put into Idle and the locomotive coasts to a stop. Another situation that occurs is that once a train is up to speed when operating over

rolling countryside, the driver can coast to maintain a certain speed. By pressing the coast function button, the sound drops into coasting and remains there. Using the throttle speed control, you can now speed up or slow down the train with the sound remaining in coasting mode.

Press the function button to exit coasting and the sound will exit and return to whatever speed is set when exiting.

Working Brake

Press the Brake Function button and your locomotive will come to a stop at a much shorter distance than if you were to bring it to a stop by reducing the throttle speed. Release the brake and your locomotive will move off again or choose to have it remain stationary when the brake is released.

Working Dynamic Brake

Apply the Dynamic Brakes and the Prime Mover will wind down to idle while the Dynamic Fans engage to assist with cooling. Reduce the throttle and the decoder's dynamic braking logic will reduce your speed faster than normal. Disengage Dynamic Braking and the primer mover will returned to it's notched speed and the fans will turn off.

Random Start-up Sequences with Move Off and Stopping Sounds

Now with random start-up sequences including hot or cold engine starts your start up and shut down will not always sound the same.

As your locomotive begins to move off you will hear the sounds of brakes releasing with random speed activated wheel squeal, rail noises and other sounds. Some of these sounds are random or speed sensitive that will turn on/off automatically depending on your take off speed. When the locomotive comes to a stop you will hear the squeal of the brakes, air releases and then the compressor will cut in automatically to fill the reservoirs with air until full and will cut out.

Coupling and Release with Shunting Mode

Activate coupling or release and your loco will automatically reduce its speed to allow for a more realistic coupling or release operation. Once the operation is completed your loco will continue to run at slow speed for a few more seconds before returning to the speed set on your throttle.

Manual Notching

For those who really want to drive their train and manually control the notching rather than letting the decoder do it.

Remastered Horn Sounds

A new remastered NSW RVB Hurricane 5 Chime Series playable and short blast horn.

Random Sounds

While the factory fitted sound will only offer you 1-2 random sound, DCC Solutions will have up to 10 random sounds that will play when either the loco is stopping or moving create even more realism to running your model.

And includes all these great features to make your Auscision 422 Class drive and sound impressive.

  • EMD 16-645E Roots Blower Prime Mover.
  • Random Start-up sequences including Automatic Hot or Cold Engine Start.
  • NSW RVB Hurricane 5 Chime Series playable and short blast horn
  • Air and Brake Release Sounds when loco moves off and stops including Brake Squeal.
  • When the loco stops after braking the compressor cuts in to fill the reservoir and will turn off when the tanks are full.
  • Speed sensitive Wheel Squeal and Rail Noise when the loco moves off.
  • Full Throttle Drive Hold - Lock the loco speed and control the sound independently to simulate a heavy loaded or empty train
  • Proper Working Dynamic Brakes: The prime mover winds down to idle, fans activate and brakes faster due to Dynamic Braking Logic
  • Coasting On Demand
  • Working Brake to bring your locomotive to a stop even when Full Throttle Drive Hold is active unlike other ESU sound files.
  • Brake Squeal on deceleration and off on acceleration.
  • Wheel Squeal on demand
  • Directional Coupling and Release with brake line release with auto active shunting mode to reduce the speed of the loco for shunting
  • Stop & Drive Random Sounds including fans, compressor, rail noise, track wheel squeal, air releases and more!
  • Manual Ratchet Handbrake
  • Guard's Whistle
  • Modified Lighting Option for more prototypical light operation.
  • Low beam to High beam Headlight operation.
  • And more (See below for full list)
  • Play 10 different sounds simultaneously.
  • Motor settings and sound volumes tuned to specifically suit the Auscision 422 Class Locomotive Model.
  • Individual sounds slots and master sound volumes can be adjusted by the user to suit personal requirements.
  • Full function button remapping to suit your personal requirements.
  • This Sound Project is also suitable for other brands of 422 Class Models


Standard DCC Installation: Non-sound decoder with no lighting modifications.

Premium Sound Installation: ESU LokSound 5 sound decoder with our custom EMD 16-645E sound project. No lighting modifications

Premium Sound Installation and Light Modification: Upgrade to 6 light function outputs to separate the lights that will allow you individual control of the lights using the function buttons on your DCC throttle and programmed with our new custom EMD 16-645E Roots Blower sound project 

Here is the selection of sound and function labels using the ESU LokSound 5 Sound Decoder


Premium Sound Installation and Light Modification

Function                       Description  

0 (HEADLIGHT)          Directional Headlights

1                              Full Throttle Drive Hold

2 (HORN)                   Horn

3                              High Beam Headlight

4                              Dynamic Brakes

5                              Coasting on Demand

6                              Brake

7                              Brake Squeal on Deceleration

8                              Prime Mover Start Up/Shut Down

9                              Front White Markers

10                              Rear Red Markers

11                              Rear White Markers

12                              Front Red Markers

13                              Directional Markers Lights

14                              Number Boards*

Function                       Description  

15                              Fan

16                              Compressor

17                              Coupling /Uncoupling + Shunting Mode

18                              Wheel Squeal

19                              Guard's Whistle

20                              Sanding Valve

21                              Volume Fader - Reduces Sound 50%

22                              Front Headlight

23                              Manual Handbrake Ratchet

24                              Spitter Valves

25                              Manual Notching

26                              Notch Up / Short Air Release

27                              Notch Down / Cab Door

28                              Rail Clank

Note: The above functions are for the ESU LokSound 5 Decoder programmed with DCC Solutions Premium Custom Sound Installation with Light Modifications

To learn how to use these functions see the Info & Help page.

All functions can be reprogrammed to suit your own personal requirements.

Options Available

ESU LokSound 5 Sound Decoder programmed with DCC Solutions Custom 422 Class Sound Project

ESU LokPilot V4.0 (Non Sound Decoder)

Alternative brands of Sound and Non Sound Decoders of your choice.

DCC Solutions upgraded 6 Function Light Modifications

Supply only Decoders and Speakers for DIY Installations

CLICK HERE to contact DCC Solutions for DCC with Light Modifications for your Auscision 422 Class