| Model | OKII-15 | OKII-20 | ||||
| Capacity | kg | 1500 | 2000 | |||
| Min. Height of Forks | mm | 80 | 65 | 80 | 65 | |
| Max. Height of Forks | mm | 200 | 165 | 200 | 165 | |
| Steering Wheels | mm | ø180X50 | ø180X50 | ø180X50 | ø180X50 | |
| Load Wheels | Single | mm | Ø78x100 | Ø78x100 | Ø78x100 | Ø78x100 |
| Tandem | mm | Ø78x70 | Ø78x70 | Ø78x70 | Ø78x70 | |
| Forks Size | mm | 150X60 | ||||
| Forks Width | mm | 480 / 520 / 550 / 685 | ||||
| Forks Length | mm | 800/900/1000/1067/1100/1150/1220 | ||||