RW&A Alco HH660

TS 2014
Sunday, 08 June 2014

R,W,& A Alco HH660 by Micheal Calvin (MadMike1024)

RWnA-HH660.rar - 11.5 MB

GreatNortherners HH switcher in R,W,& A colors, includes a dead parts loco.



Riverside, Waterton, and Atlantic ALCO HH-660 Switcher and a non-running NYC HH-660 to be used behind the roundhouse for spares.

The dead loco is a freight car, as far as the game is concerned. It will show up at the top of the wagons list as ALCO HH660 Dead.

Repaint and graphic up dates by Micheal Calvin - 2014

Some cabview updates have been added.

RW3 lighting has been applied.

As always, feel free to use my repaints in your freeware routes and scenerios. Any use as payware must be approved by the following  folks, who own the copyrights and allowed me to use it with permission.


This repaint uses the SD-40 horn sounds from th KUJU RailsimulaterUS folder so the folder must be selected in the blueprint group to work properly.

ALCO HH-Series Switcher Engine

A Freeware Model by Allen Norton and Michael Stephan. Converted from an MSTS model by Allen Norton.


Allen Norton: creating the model and base textures.
Michael Stephan: converting the model for Railworks, repaints.

Data gathered primarily from the following sources:

Physics data used from the above sources and from MSTS eng files of Bob Boudoin and Bill Prieger.

Beta testers:
Stuart Baxter, Thomas Pearce, Rick Grout


Use the TS2014 Utilities Program to install the .rwp file included in the downloaded rar archive.
To place the engines in the scenario editor, you must enable the entries for provider: "GreatNortherner" and product: "HH660" in the assets filter.
Then you can place the engines on your route, add a driver icon, and run them!

Some words about running the model

The models provided here are not entirely done yet. Most importantly, they are missing a properly modeled cabview! This will be provided as a later update, as soon as I have learnt how to build one.

Furthermore, I cannot guarantee that the models' physics are really accurate. I tried my best and I have had some positive feedback regarding the running of the engines, but if you do notice some irregularities or unprototypical behaviour when running the engines, please let me know.

For the train brakes on these engines I chose a non-self-lapping design. (Please let me know if this is not correct.) This means, that in order to do a brake application, you first move the brake handle to an x% apply position - the higher the number the faster the application, 100% is emergency. When you have reached the desired amount of braking force (pressure drop in the brake pipe, see the F5 HUD), pull the brake handle back to the LAPPED position. To release the brakes, move the handle back to release.
You will also notice that due to the new physics data I used, the brakes will apply and release quite a bit slower than on the default engines.

An interesting note for realistic operation: these engines were not equipped with multiple-unit capabilities. The HHs were quite slow (HH600/660: 45 mph, HH900/1000: 60 mph) and not too powerful engines, so they were hardly ever used anywhere else but in yards and on slow branchlines.

These models are aliased to the UK Class 37's sounds, I think it is the closest to the ALCO rumble that we currently have in RW (and besides, the 37 sounds just wonderful) The exhaust comes from the RW F7, only darkened quite a bit and a bit larger.


1) These models are provided on an as-is basis. Although unlikely to happen at all, I shall not be held responsible for any damage any part of this archive might do to your system.

2) These models are provided as freeware.

3) You may not redistribute this archive or contents of it, in modified or unmodified form, without prior permission of the original publisher, Michael Stephan.

Please accept license agreement before downloading

Please remember even those this file is free, the author still has rights to the file. Be sure to read the readme that is enclosed for further copyright information and instructions to install the file.


DTG's Required Disclaimer

"IMPORTANT NOTICE. Everything on this site is user generated content designed for use with Limited’s train simulation products, including RailWorks 4: Train Simulator 2013, Train Simulator 2014 and Train Simulator 2015. Limited does not approve or endorse this user generated content and does not accept any liability or responsibility regarding it.

This user generated content has not been screened or tested by Limited. Accordingly, it may adversely affect your use of’s products. If you install this user generated content and it infringes the rules regarding user-generated content, Limited may choose to discontinue any support for that product which they may otherwise have provided.

The RailWorks EULA sets out in detail how user generated content may be used, which you can review further here: In particular, this user generated content includes work which remains the intellectual property of Limited and which may not be rented, leased, sub-licensed, modified, adapted,copied, reproduced or redistributed without the permission of Limited."


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