| Serial # Range | Summary of Change / Description | Part # | Doc # | Download Link |
|---|---|---|---|---|
| 22004 - 25004 | Replaced 00181-3 w/20982 | 19400-xxxx-4 | 20984 | Download Manual |
| 20519 - 22003 | 19590 +12V Contactor Assy Replaced 16635 | 19400-xxxx-4 | 19710 | Download Manual |
| 20518 - 20518 | Mech/Boom Pivot Design Changed (2nd revision) | 19400-xxxx-3 | 19528 | Download Manual |
| 20000 - 20000 | Mech/Boom Pivot Design Changed (1st revision) | 19400-xxxx-2 | N/A | Download Manual |
| 11235 - 11355 | Original Design | 19400-xxxx-1 | N/A | Download Manual |