| Modèle | Hauteur libre de contrepoids |
|---|---|
| ZX40U-2 | 605 mm - 2 pi |
| ZX35U-3 | 550 mm - 1.8 pi |
| ZX35U-2 | 560 mm - 1.8 pi |
| ZX30U-2 | 560 mm - 1.8 pi |
| ZX27U-3 | 550 mm - 1.8 pi |
| ZX27U-2 | 560 mm - 1.8 pi |
| ZX22U-2 | 510 mm - 1.7 pi |
| EX45-2 | 635 mm - 2.1 pi |
| EX40-2 | 635 mm - 2.1 pi |
| EX35-2 | 565 mm - 1.9 pi |
| EX30-2 | 565 mm - 1.9 pi |
| EX15-2 | 445 mm - 1.5 pi |
| EX12-2 | 445 mm - 1.5 pi |