

Click photos above for Comet IV and IIM photo slideshow.
KLW's most advanced pieces of MSTS rolling stock to date. All coach packs feature highly-detailed exterior models of the prototype cars with MSTSbin-operatable doors (two cars are provided for each roadnumber - one for high-floor operation, one for low floor), our 34,000+ poly Comet interior #5 view with a different POV for each car, and brand new exterior and interior car sounds.
Cab cars include custom cabviews accurate for their series, and custom sounds.
All cars available for public download.
ALL CARS REQUIRE MSTSbin, Version 1.7.X. MINIMUM
DOOR COMMANDS:
CTRL + Keypad 7
or
CTRL + Keypad 9.
| Title | PUBLIC DOWNLOAD | Photo | Notes |
|---|---|---|---|
| NJT Comet III Cab Cars: 10-pack v1.0 |
Download (47.6 MB) | ![]() |
Features the entire fleet of NJT's 10 Comet III cab cars, each supplied with high/low floor variants, and two .ENG files (one diesel, one electric) for compatibility with MSTSbin v1.8.052113.
Includes custom Comet III-specific cabview and sounds.
Requires: |
| NJT Comet IV Cab Cars: 3-pack v1.0 |
Download (18.3 MB) | ![]() |
Our final release to the Comet series - three Comet IV cab cars, each supplied with the usual high/low floor variants, electric and diesel .eng files for compatibility with MSTSbin v1.8.052113, and a Comet IV specific cabview.
Aliases to Comet III cab car set for sound and some cabview controls.
Requires: |
| NJT #5300 series Comet IIM Coaches: 3-pack | Download (14.9 MB) | ![]() |
Features 6 individual cars with 3 road numbers (one set high-floor, one set low-floor), unique 36,000+ Comet IIM interior view, and sounds aliased to the Comet IV pack. Requires: |
| NJT #5500 series Comet III Coaches: 3-pack | Download (16.8 MB) | ![]() |
Features 6 individual cars with 3 road numbers (one set high-floor, one set low-floor), Comet III-specific interior view with proper textures, and sounds aliased to the Comet IV pack. Requires: |
| NJT #5500 series Comet IV Coaches: 5-pack | Download (22.5 MB) | ![]() |
Features 10 individual cars with 5 road numbers (one set high-floor, one set low-floor), unique Comet IV interior view, and custom sounds. Requires MSTSbin v1.7.x |
| NJT #6500 series Comet V Coaches: 3-pack | Download (11.8 MB) | ![]() |
Features 6 individual cars with 3 road numbers (one set high-floor, one set low-floor). No interior view. Sounds aliased to the Comet IV pack. Requires: |
| Title | PUBLIC DOWNLOAD | Photo | Notes | |
|---|---|---|---|---|
| Amtrak Horizon #54513 |
Repaint of KLW NJT Comet IIM model. Requires NJT Comet IV set. Manual install, no auto-installer.
By Brandon Barlow |
Download (6.77 MB) | ![]() |
No auto-installer Requires NJT Comet IV set. |
| Amtrak Horizon Phase IV package |
6-pack repaint of KLW NJT Comet IIM model. Includes three clean cars (two coach + cafe), plus three weathered variants of the same. Requires NJT Comet IV set. Manual install, no auto-installer.
By Mingo Molina & Josh Hardey |
Download (31.94 MB) | ![]() |
No auto-installer Requires NJT Comet IV set. |
| MARC Comet IV #136 |
Repaint of KLW NJT Comet IV model. Requires NJT Comet IV set. Manual install, no auto-installer.
By Matt Burb |
Download (8.64 MB) | ![]() |
No auto-installer Requires NJT Comet IV set. |
| MBTA Comet II #250 |
Repaint of KLW NJT Comet II model. Requires NJT Comet IV set. Manual install, no auto-installer.
By Brandon Barlow |
Download (6.75 MB) | ![]() |
No auto-installer Requires NJT Comet IV set. |
| NJT Comet III weathered texture package |
Weathered textures for KLW NJT Comet III model by Mingo Molina & Nick Jacovinni. Not standalone - installs on the existing Comet III's. Both weathered and the original clean textures included for swapping back 'n forth.
By Mingo Molina & Nick Jacovinni Requires the NJT Comet III set. Manual install, no auto-installer. |
Download (14.8 MB) | ![]() |
No auto-installer Requires NJT Comet III coach set. |
| Septa Comet II 3-pack |
Septa repaint of KLW NJT Comet II model. Requires NJT Comet IV set. Includes FreightAnim shape file for the SEPTA exterior destination signs that are present on these cars. Manual install, no auto-installer.
By Joe Wagner
|
Download (15.2 MB) | ![]() |
No auto-installer Requires NJT Comet IV coach set for sounds. |
| Septa Comet III 2-pack |
Septa repaint of KLW NJT Comet III model. Requires NJT Comet IV set. Includes FreightAnim shape file for the SEPTA exterior destination signs that are present on these cars. Manual install, no auto-installer.
By Joe Wagner
|
Download (13.9 MB) | ![]() |
No auto-installer Requires NJT Comet IV coach set for sounds. |
| UTA Comet II #302 |
UTA repaint of KLW NJT Comet II model. Requires NJT Comet IV set. Manual install, no auto-installer.
By Grant G.
|
Download (6.46 MB) | ![]() |
No auto-installer Requires NJT Comet IV coach set for sounds. |




















