DBA: J-4 Trucking
Jack B Shannon Sr is an active interstate carrier based in Mayslick, KY.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 4 | 0 | 0 |
| Tractors | 4 | 0 | 0 |
| Total Power Units | 4 | ||
Distinct vehicles · 24 mo
vs 4 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category | Insp w/ Viol |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 0% | 0% | Better than most peers |
| HOS Compliance | 0% | 0% | Better than most peers |
| Driver Fitness | 0% | 0% | Better than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 89% | 95% | Worse than most peers |
Lower percentile = lower SMS measure = stronger safety record. Computed nightly across active carriers in the same state and fleet-size band.
| Type | Inspections | OOS | OOS % | Nat'l Avg |
|---|---|---|---|---|
| Driver | 0 | 0 | — | 6.67% |
| Vehicle | 0 | 1 | — | 22.26% |
| Hazmat | 0 | 0 | — | 4.44% |
Where they run
Inspected in 4 states. Top state accounts for of activity.
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| No crashes recorded | 0 | 0 | 0 | 0 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 7 | 2 | 1 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Jan 14, 2026 | MD | TRUCK TRACTOR | 2 | 0 |
| Dec 16, 2025 | MD | TRUCK TRACTOR | 1 | 1 |
| Sep 16, 2025 | AL | TRUCK TRACTOR | 4 | 0 |
| Jul 15, 2025 | PA | TRUCK TRACTOR | 0 | 0 |
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 0 | 0.00 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 3 | 7.33 | — |
| Driver Fitness | 0 | 0.00 | — |
| Controlled Substances | 0 | 0.00 | — |
| Dec 21, 2024 |
| TN |
| TRUCK TRACTOR |
| 0 |
| 0 |
| Jun 5, 2024 | PA | TRUCK TRACTOR | 0 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Jan 14, 2026 | 3939ALCL | Lighting - Clearance lamp(s) inoperative | Vehicle Maintenance | — |
| Jan 14, 2026 | 3939ALIL | Lighting - Identification lamp(s) inoperative | Vehicle Maintenance | — |
| Dec 16, 2025 | 39375A3TAOL | Tires - All others leaking or inflation less than 50% of the maximum inflation pressure on tire not equipped with ATIS | Vehicle Maintenance | Yes |
| Sep 16, 2025 | 39378AWS | Washers - Inoperative washing system. | Vehicle Maintenance | — |
| Sep 16, 2025 | 3939ALBL | Lighting - Backup lamp inoperative | Vehicle Maintenance | — |
| Sep 16, 2025 | 3939ALLPL | Lighting - License plate lamp inoperative | Vehicle Maintenance | — |
| Sep 16, 2025 | 3965BL | Lubrication - Oil or grease leak | Vehicle Maintenance | — |