| American Tri-axle Mechanical Suspension Specification | ||||||||
| Suspension Type | Height of Fifth Wheel (mm) | Qty × Thick × Width (mm) | A1 (mm) Unladen | A2 (mm) Unladen | A3 (mm) Unladen | H (mm) | Axle Load (T) | |
| NAMX8603-00/183 | 1180 | 9×16×90 | 489 | 480 | 467 | 183 | 16×3 | |
| NAMX8603-00/223 | 1220 | 9×16×90 | 529 | 520 | 507 | 223 | 16×3 | |
| NAMX8603-00/253 | 1250 | 9×16×90 | 559 | 550 | 537 | 253 | 16×3 | |
| NAMX8603-00/164 | 1180 | 9×16×90 | 470 | 461 | 448 | 164 | 16×3 | |
| NAMX8603-00/204 | 1220 | 9×16×90 | 510 | 501 | 488 | 204 | 16×3 | |
| NAMX8603-00/234 | 1250 | 9×16×90 | 540 | 531 | 518 | 234 | 16×3 | |
| American Tandem-axle Mechanical Suspension Specification | |||||||
| Suspension Type | Height of Fifth Wheel (mm) | Qty × Thick × Width (mm) | A1 (mm) Unladen | A2 (mm) Unladen | H (mm) | Axle Load (T) | |
| NAMX8602-00/183 | 1180 | 9×16×90 | 473 | 465 | 183 | 16×2 | |
| NAMX8602-00/223 | 1220 | 9×16×90 | 513 | 505 | 223 | 16×2 | |
| NAMX8602-00/253 | 1250 | 9×16×90 | 543 | 535 | 253 | 16×2 | |
| NAMX8602-00/164 | 1180 | 9×16×90 | 454 | 446 | 164 | 16×2 | |
| NAMX8602-00/204 | 1220 | 9×16×90 | 494 | 486 | 204 | 16×2 | |
| NAMX8602-00/234 | 1250 | 9×16×90 | 524 | 516 | 234 | 16×2 | |
Customized upon request.