| Category | Changes | Effective Date | Effective Serial Number | Applicable Model Numbers | New Part Code | Old Part Code |
|---|---|---|---|---|---|---|
| Battery Charger | Upgraded from 12V PB-Series charger to 12V GC-Series charger | 05/11/2015 | 0231 | MT* | 0410050039 | 0410050000 |
| Battery Indicator | Upgraded from LED lamp to voltmeter | 29/06/2018 | 4920 | MT* | 0790050067 | 0250050049 |
| Control Panel Decal | Upgraded from LED lamp to 12V voltmeter graphics | 29/06/2018 | 4920 | MT* | 0230170002 | N/A |
| Batteries | Upgraded from one to two 12V/20Ah batteries | 05/11/2021 | 6701 | MT* | 0250050004 | 0250050004 |
| Battery Isolator | Upgraded from 100A Isolator Switch to 250A Emergency Stop | 05/11/2021 | 6701 | MT* | 0790050393 | 0390050000 |
| Battery Charger | Upgraded from 12V to 24V PB-Series charger | 05/11/2021 | 6701 | MT* | 0390050006 | 0410050039 |
| Control Panel Decal | Upgraded from 12V to 24V voltmeter graphics | 05/11/2021 | 6701 | MT* | 0230170006 | 0230170002 |
| Motor | Upgraded from 12V to 24V motor | 05/11/2021 | 6701 | MT* | 0880050040 | 0880050030 |
| Motor Solenoid | Upgraded from 12V to 24V motor solenoid | 05/11/2021 | 6701 | MT* | 0880050015 | 0880050017 |
| Powerpack (Complete) | Upgraded from 12V to 24V powerpack | 05/11/2021 | 6701 | MT* | 0940090083 | 0940090067 |