Carrier profile · USDOT 951389 · MC-521677 · Updated Aug 20, 2026

Jack B Shannon Sr

DBA J-4 TRUCKING

4 power unitsavg 17.7 yrRegional · 4 statesMAYSLICK, KY93/100
CARRIER ACTIVEMC-521677 ACTIVE
Verified linksFMCSA SAFER

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.

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 (5 trucks · 5 carriers)
Across all inspections on record: USDOT 3604527USDOT 3807545USDOT 120616USDOT 3767748USDOT 3471759

Capacity consistency· registered vs roadside-observed power units

Registered (MCS-150)4
Observed (24 mo)4
Shared w/ other carriers5

Registered and roadside-observed capacity are broadly consistent.

Shared-VIN cross-links· units inspected under more than one USDOT

VINCarriersInspectionsFirst seenLast seen
3H3V532K8PS448404View sourced platform decode34Jun 29, 2023May 29, 2025
1JJV532D1PL375534View sourced platform decode25Jun 13, 2023May 28, 2026
1JJV532D4PL375527View sourced platform decode23Aug 7, 2023Jul 15, 2025
5V8VC5327PM305258View sourced platform decode22Jun 20, 2023Jul 18, 2024
1JJV532D6PL307486View sourced platform decode22Apr 16, 2024Jun 5, 2024