503 AUTO TRANSPORT LLC Network & Fraud Signals
Reincarnation chains, shared-VIN links, common domains and officers, and owner-group affiliations — the chameleon / double-broker signals that name-and-USDOT lookups miss.
No shared-VIN flow in the last 12 months
None of this carrier's trucks were inspected under another USDOT in the last 12 months — any shared equipment is historical, not active.
Show all-time history (3 trucks · 3 carriers)
Across all inspections on record: USDOT 3701532USDOT 3668870USDOT 2948967
Capacity consistency· registered vs roadside-observed power units
Registered (MCS-150)11
Observed (24 mo)22
Shared w/ other carriers33
Roadside-observed power units materially exceed the registered MCS-150 fleet — confirm the carrier is operating within its filed capacity.
Shared-VIN cross-links· units inspected under more than one USDOT
| VIN | Carriers | Inspections | First seen | Last seen |
|---|---|---|---|---|
| 5VGFL4337ML001120 | 2 | 4 | 05/17/2025 | 05/28/2026 |
| 3C63RRGL5MG622576 | 2 | 8 | 08/14/2023 | 08/22/2025 |
| 5VGFW5328ML000773 | 2 | 4 | 11/04/2023 | 08/22/2025 |