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  DCC Solutions

Austrains 41 Class DCC Sound Installation

with Lighting Modification

Now available with our NEW Remastered

ESU LokSound 5 Custom Sound Project

with the "Full Throttle - Drive Hold" feature.

About the NSWGR 41 Class Locomotive

The 41 class were a class of diesel locomotives built by British Thomson-Houston in the United Kingdom for the New South Wales Government Railways during 1953-54. In 1950 the New South Wales Government Railways ordered 10 diesel locomotives from Australian General Electric. The construction was then sublet to British Thomson-Houston with the body built by Metro Cammell, in the United Kingdom. The first loco No.4101 entered service on the 1st December 1953 with the last No. 4110 on the 10th February 1955. All were delivered painted in Verdant Green, then during the 1960s all were repainted Indian Red.

From their earliest days the locomotives were troublesome and suffered failures including overheating and fires. To overcome this problem the radiators were relocated further to the ends of all ten of the locomotives and air ducting was modified. In addition, two had their mufflers relocated and this modification was considered a success, but not rolled out across the rest of the 41 class. The locomotives were equipped to operate in multiples however the cooling system layout saw radiator heat passing from the leading locomotive to the trailing one, which resulted in the equipment being removed.

By the early 1960s the twin Paxman 12-RPHL engines showed signs they were coming to the end of their useful life, a repowering option was considered. With the cost of repowering and overhauling the 41 Class being two-thirds that of a new 48 Class and repair costs over nine times greater, it was decided not to proceed with this option.

After only four short years of service 4106 was withdrawn following two electrical fires. On April 1st, 1961, locomotive 4105 was withdrawn followed by 4108 on the 10th September 1969. When overhauls ceased for the rest of the class in 1972 each locomotive was then withdrawn from 1973 as they suffered a major failure. The final locomotive 4102 was withdrawn on the 19th July 1975 and is the only one in its class that was preserved.

The 41 class were mainly confined to metropolitan Sydney operating local trip workings and shunting at the Enfield yards.

DCC with Sound and Light Modifications

In March 2016, Austrains released the 41 Class Locomotives which includes an 8 Pin socket for fitting a DCC decoder plus 2 solder pads for wiring the factory installed speaker to the decoder. In DCC all lights will operate directional.

For this installation we recommend the ESU LokSound 5 (Sound) with our Custom Sound Project for the 41 Class or the LokPilot V4.0 (No Sound) for those not wishing sound. We 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.

We offer a light modification for this 41 Class to separate the lights for a more prototypical operation.

We can offer your model full lighting control by separating the front headlight, white markers and red marker lights for a more prototypical operational practices in DCC. Each pair of front and rear marker lights can be controlled individually so when the locomotive is standing in a siding or shunting it can have both the front and rear red markers switched on at the same time as per NSWGR practice. It also allows for no rear red marker lights to be on when the loco is carrying a load behind it and just white markers on at the front. The front and rear headlights can operate on/off non directional. You can also still operate all the light directional as the way the model was delivered.

DCC Solutions Lighting Modifications

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

1) Front Headlight - on/off directionally with the headlight button

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

3) Rear Headlight - on/off directionally with the headlight 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) Directional Marker Lights - on/off 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 41 Class Custom Sound Project is packed with sounds and features not found on other Sound Decoders

So why not get fully featured sound from DCC Solutions

Our NSWGR 41 Class Custom Sound Project now includes these great features:

Correct Sound for the NSW 41 Class Locomotive

Our DCC Solutions Custom Sound Project comes with the Dual Paxman V12 Prime Mover Sound.

As the 41 Class Paxman engines were renowned for being rough at idling we have incorporated this in our Custom Sound Project, so let your 41 class sit there idling and listen to how it idles...rough!! Running low, then high, then missing a bit then maybe high again or possibly low, the idle simply does not run smooth like other diesel engines.

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 what 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 country side, the engineer can coast to maintain a certain speed. By pressing the coast function button, the sound drops from wherever you are to idle and remains there. Using the throttle speed control, you can now speed up or slow down the train with the sound remaining constant, at idle.

Press the function button to exit coasting and the sound will exit idle 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.

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.

Remastered Horn Sounds

A new remastered NSWGR Single Chime playable and short blast horn.

Random Sounds

While most sound decoders only play 1-2 random sounds, 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 Austrains 41 Class drive and sound impressive

  • Dual Paxman V12 Prime Mover with rough idle
  • Random Start-up sequences including Automatic Hot or Cold Engine Start.
  • NSW Single Chime 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
  • 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.
  • Coupling and Release with brake line release plus auto activated 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!
  • Wheel Squeal
  • Brake Squeal on deceleration and off on acceleration.
  • Guard's Whistle
  • And more (See below for full list)
  • Optional light modifications for individual light control for more prototypical operation.
  • Low Beam/High Beam Headlight
  • Play 10 different sounds simultaneously.
  • DCC Solutions "MICRO" High Performance Dynamic Speaker producing fantastic sound.
  • Motor settings and sound volumes tuned to specifically suit the Austrains 41 Class Locomotive Model.
  • Slow Speed performance perfect for shunting
  • 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 41 Class Models. 


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

Premium Sound Installation: ESU LokSound 5 with our Paxman V12 Custom Sound Project. No lighting modifications

Premium Sound Installation and Light Modification: Upgrade to 6 Function lighting outputs with the DCC Solutions Light Modification to separate the headlights, white marker lights and the red marker lights to have individual light function control on your DCC controller including our Paxman V12 Custom Sound Project.

Here is the selection of sound and function labels using the ESU LokSound 5 sound decoder with 6 Function Lighting Outputs.


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                              Reserved (Dynamic Brakes in other DCCS Sound Projects)

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                              Reserved - For Light Mods

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 On/Off

23                              Reserved

24                              Reserved

25                              Shunting Mode - Reduces Speed 50%

26                              Short Air Release

27                              Cab Door Open/Close

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 41 Class Sound Project

ESU LokPilot V4.0 (Non Sound Decoder)

DCC Solutions upgraded 6 Function Light Modifications

Supply only Decoders and Speakers for DIY Installations

Click Here to Contact DCC Solutions to enquire about DCC and Light Modifications for your 41 Class