Frame Assembly (Smart Drawbar) (Registered Design owned by king)
| CODE | A | B | C | D | E | F | G | H |
| SPG-16 | 507 | 52 | 67 | 134 | 22 | 23 | 52 | 20 |
| SPG-20 | 610 | 52 | 90 | 163 | 22 | 23 | 50 | 20 |
| SPG-26 | 775 | 57 | 114 | 54 | 22 | 22 | 52 | 20 |
| SPG-32 | 932 | 60 | 15 | 64 | 28 | 22 | 52 | 26 |
| CODE | A | B | C | D | E | F | G | H |
| SPG-16 | 507 | 52 | 67 | 134 | 22 | 23 | 52 | 20 |
| SPG-20 | 610 | 52 | 90 | 163 | 22 | 23 | 50 | 20 |
| SPG-26 | 775 | 57 | 114 | 54 | 22 | 22 | 52 | 20 |
| SPG-32 | 932 | 60 | 15 | 64 | 28 | 22 | 52 | 26 |
