| Serial # Range | Summary of Change / Description | Part # | Doc # | Download Link |
|---|---|---|---|---|
| 10A000015 - CURRENT | HT66KX now includes Venturo Logic Control crane management system. Updates include optional boom-tip worklight, new auto-adjust anti-two block and VLC system. | INST-23800 | Download Manual | |
| 150016 - 150500 | Cage-style A2B; Plastic A2B switch cover; Premium cord reel; boom pad retention system. At S/N 150031, introduced the 22736H-1 valve block w/ Hydraforce PV72 proportional valve. | 27320 | Download Manual | |
| 150000 - 150016 | Original Design | 27320 | Download Manual |
