John Koerner Trucking Ltd is an active intrastate non-hazmat carrier based in Oshkosh, WI.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 7 | 0 | 0 |
| Tractors | 3 | 0 | 0 |
| Trailers | 12 | 0 | 0 |
| Total Power Units | 10 | ||
Distinct vehicles · 24 mo
vs 10 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 | 72% | 92% | Around peer average |
| 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 | 79% | 93% | 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 1 state. Top state WI accounts for of activity.
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| Oct 1, 2025 | 0 | 0 | 1 | 1 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 7 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Sep 9, 2025 | WI | STRAIGHT TRUCK | 5 | 0 |
| Jun 6, 2025 | WI | TRUCK TRACTOR | 1 | 0 |
| Apr 23, 2025 | WI | STRAIGHT TRUCK | 1 | 0 |
| Feb 3, 2025 | WI | TRUCK TRACTOR | 1 | 0 |
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 2 | 0.85 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 4 | 7.83 | — |
| Driver Fitness | 0 | 0.00 | — |
| Controlled Substances | 0 | 0.00 | — |
| 1 |
| Unsafe Driving | 2 | 1 | 0 |
| Oct 29, 2024 |
| WI |
| STRAIGHT TRUCK |
| 1 |
| 1 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Sep 9, 2025 | 39216D | Driver - Failed to use seat belt while operating a CMV | Unsafe Driving | — |
| Sep 9, 2025 | 39355D2B | Air Brake - ABS malfunction lamp defective on truck-tractor manufactured on or after March 1 2001 for towed vehicle. | Vehicle Maintenance | — |
| Sep 9, 2025 | 39355EB | Air Brake - ABS malfunction lamp defective on trailers manufactured on or after March 1 1998 | Vehicle Maintenance | — |
| Sep 9, 2025 | 39395A1 | Emergency Equipment - Fire Extinguishers - no fire extinguisher present or not properly rated. | Vehicle Maintenance | — |
| Sep 9, 2025 | 39617CPI | Operating a CMV without documentation of a periodic inspection | Vehicle Maintenance | — |
| Jun 6, 2025 | 39617CPI | Operating a CMV without documentation of a periodic inspection | Vehicle Maintenance | — |
| Apr 23, 2025 | 3922SLLTCD | State/Local Laws - Failed to obey a traffic control device - Permanent or Temporary - e.g. safety official signal sign light lane marking other | Unsafe Driving | — |
| Feb 3, 2025 | 3939ALLPL | Lighting - License plate lamp inoperative | Vehicle Maintenance | — |
| Oct 29, 2024 | 393116ECL | Logs - Improper securement of logs loaded lengthwise on flatbed and frame vehicles | Vehicle Maintenance | Yes |