Carrier profile · USDOT 3240407 · MC-1017678 · Updated Jun 13, 2026
503 TRANSPORTATION INC
7 power unitsavg 9.5 yrLocal · 1 statesCARSON, CA74/100
CARRIER ACTIVEMC-1017678 ACTIVEUNDELIVERABLE ADDRESS
Network & Fraud
Reincarnation chains, shared-VIN links, common domains and officers, and owner-group affiliations — the chameleon / double-broker signals that name-and-USDOT lookups miss.
Last 12 months: 1 truck also ran under 1 other carrier
VINs inspected under this carrier were recently inspected under other USDOTs too — the active double-broker / shared-equipment signal: USDOT 4417201Some overlap is legitimate (leased or sold equipment); review alongside the other signals.
Show all-time history (4 trucks · 6 carriers)
Across all inspections on record: USDOT 121018USDOT 239039USDOT 2019606USDOT 2937774USDOT 54283USDOT 4417201
Capacity consistency· registered vs roadside-observed power units
Registered (MCS-150)77
Observed (24 mo)88
Shared w/ other carriers44
Registered and roadside-observed capacity are broadly consistent.
Shared-VIN cross-links· units inspected under more than one USDOT
| VIN | Carriers | Inspections | First seen | Last seen |
|---|---|---|---|---|
| 1NNC04822JM117665 | 3 | 3 | Feb 29, 2024 | Nov 18, 2025 |
| 3H3C242S5RT000995 | 3 | 3 | Nov 29, 2023 | Jan 3, 2025 |
| 3HSDZAPR3LN851083 | 2 | 5 | Oct 2, 2023 | Dec 26, 2025 |
| LJRC28266H1009551 | 2 | 2 | Oct 6, 2025 | Dec 26, 2025 |