| Model No. | O.D. | A | C | D | E | Part No. |
| GD-Y16 | 19.05 | 94 | 102.4 | 109.5 | 63 | 91220100-0016 |
| GD-Y25 | 25.4 | 99.1 | 102.4 | 109.5 | 63 | 91220200-0025 |
| GD-Y40 | 38.1 | 122.4 | 121.7 | 132.3 | 78 | 91220300-0040 |
| GD-Y50 | 50.8 | 170.2 | 142.8 | 156.9 | 88 | 91220400-0050 |
