| Model Code | Description | |
|---|---|---|
| 01 | 401.905, 401.906, 401.909, 401.912, 401.914, 401.915, 401.916, 401.917, 401.918, 401.919, 401.921, 401.922 | LARGE-SCALE TEST: PISTON |
| 02 | 402.906, 402.907, 402.910, 402.911, 402.912, 402.913, 402.914, 402.916, 402.917, 402.919, 402.921 | LARGE-SCALE TEST: PISTON |
| 03 | 403.916, 403.918, 403.931, 403.932 | LARGE-SCALE TEST: PISTON |