Enter axle weights and the spacing from each axle to the next. We check the Bridge Formula, 20k single / 34k tandem caps, and the 80k GVW cap across every consecutive sub-group.
| Group | L (ft) | Actual | Allowed | Cap | Δ |
|---|---|---|---|---|---|
| Steer → Drive 1 (2ax) | 15.0 | 29,000 | 45,000 | formula | ✓ |
| Steer → Drive 2 (3ax) | 19.3 | 46,000 | 50,475 | formula | ✓ |
| Steer → Trailer 1 (4ax) | 52.3 | 63,000 | 76,866 | formula | ✓ |
| Steer → Trailer 2 (5ax) | 56.6 | 80,000 | 80,000 | interstate | ✓ |
| Drive 1 → Drive 2 (2ax) | 4.3 | 34,000 | 34,000 | tandem | ✓ |
| Drive 1 → Trailer 1 (3ax) | 37.3 | 51,000 | 63,974 | formula | ✓ |
| Drive 1 → Trailer 2 (4ax) | 41.6 | 68,000 | 69,733 | formula | ✓ |
| Drive 2 → Trailer 1 (2ax) | 33.0 | 34,000 | 63,000 | formula | ✓ |
| Drive 2 → Trailer 2 (3ax) | 37.3 | 51,000 | 63,974 | formula | ✓ |
| Trailer 1 → Trailer 2 (2ax) | 4.3 | 34,000 | 34,000 | tandem | ✓ |