Subgroup
| Subgroup | Description | Note |
|---|---|---|
| 001 | CONTROL | ---- |
| Sa catalog | Description | Note |
| 16804 | ELIMINATION OF EXHAUST BRAKE | Codes: 006/091 Codes: M90 |
| 17646 | COMPRESSED AIR OPERATED EXHAUST BRAKE COUPLED WITH SERVICE BRAKE | Codes: 042 Codes: M24 |
| 17753 | COMPRESSED AIR OPERATED EXHAUST BRAKE,NOT COUPLED WITH SERVICE BRAKE | Codes: 043 Codes: M23 |
| 25587 | MODULATOR USED WITH ALLISON TRANSMISSION | Codes: 179 Codes: D81/G01/G03 |