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JOHN KOERNER TRUCKING LTD
Oshkosh, WI
CarrierChk vetting signal
No flags raised
Authority, insurance, safety rating and crash records checked
FMCSA status: Active registration · no operating authority · DOT 710029
Active
No Safety Rating
Broker Vetting Summary
Key signals from current FMCSA records
Authority
No Active Authority
Common carrier
Insurance
Not Found
No coverage amount on file
Safety
Not Rated
16.7% OOS · 6 inspections on record
✓ No risk flags found on authority or insurance records
Vetting notes
- Active FMCSA registration, but no active for-hire operating authority on record
- No active insurance filing found on record
- Vehicle out-of-service rate 20.0% — below the 20.7% national average
- 6 FMCSA inspections on record
Company Information
Registration, contact and cargo details
FMCSA Registration
DOT Number
710029
Operating Status
Active
Safety Rating
Not Rated
Entity Type
Corporation
MCS-150 Filed
November 19, 2025
FMCSA Registration
October 17, 1997
Annual Mileage
730,000 mi (2025)
Contact Information
Address
5628 W Fisk Ave, Oshkosh, WI 54904
Phone
Email
Owner / Officer
Diane L Koerner
Officer 2
Scott M Koerner
Cargo Types
Logs/Poles/BeamsMachinery/Large Objects
Safety & Performance
Inspections, violations and crash history
Out-of-Service Rate
16.7% of inspections ended in an out-of-service order
6 inspections in 24 months
Vehicle OOS Rate
20.0%
Driver OOS Rate
0.0%
Ranks in the 37th percentile among carriers with 5–9 inspections — lower is better. CarrierChk calculation from FMCSA roadside inspection records, not an FMCSA score.
Safety & Inspection Summary
Total Inspections
6
Driver Inspections
2
Vehicle Inspections
5
Total OOS Orders
1
Violations by Category
Vehicle Maintenance9
Unsafe Driving2
Hours of Service0
OOS Rates vs. National Average
Driver OOS Rate0.0% · national avg 5.5%
✓ Below national average
Vehicle OOS Rate20.0% · national avg 20.7%
✓ Below national average
Inspection Trend by Year
2026
2025
2024
Inspection Records (6)
| Date | State | Level | Vehicle | Viol. | Status |
|---|---|---|---|---|---|
| April 23, 2026 | WI | Level II — Walk-Around | KENWORTH · 1NKZXPEX7SJ135747 | 2 | Passed |
| September 9, 2025 | WI | Level II — Walk-Around | INTERNATIO · 3HTPCTZT1PN746367 | 5 | Passed |
| June 6, 2025 | WI | Level II — Walk-Around | INTERNATIO · 3HSPCSZR7SN675123 | 1 | Passed |
| April 23, 2025 | WI | Level III — Driver Only | VOLVO · 4V5KC9EJ6KN221887 | 1 | Passed |
| February 3, 2025 | WI | Level II — Walk-Around | PETERBILT · 1XPXD49XXND795275 | 1 | Passed |
| October 29, 2024 | WI | Level I — Full | INTERNATIO · 3HTPCAPT6RN071884 | 1 | 1 OOS |
What Inspectors Found
Roadside findings from FMCSA's rolling 24-month window, grouped the way FMCSA groups them. This is separate from the safety rating, which comes from an on-site compliance review.
Vehicle Maintenance
5 of 5 inspections
Unsafe Driving
2 of 6 inspections
Hours of Service
0 of 6 inspections
Driver Fitness
0 of 6 inspections
Controlled Substances
0 of 6 inspections
| Date | Category | Violation | Sev. | Status |
|---|---|---|---|---|
| October 29, 2024 | Vehicle Maintenance · Improper Load Securement | Logs - Improper securement of logs loaded lengthwise on flatbed and frame vehicles | 7 | Out of service |
| September 9, 2025 | Unsafe Driving · Seat Belt | Driver - Failed to use seat belt while operating a CMV | 7 | Cited |
| April 23, 2025 | Unsafe Driving · Dangerous Driving | State/Local Laws - Failed to obey a traffic control device - Permanent or Temporary - e.g. safety official signal sign light lane marking other | 5 | Cited |
| September 9, 2025 | Vehicle Maintenance · Brakes All Others | Air Brake - ABS malfunction lamp defective on truck-tractor manufactured on or after March 1 2001 for towed vehicle. | 4 | Cited |
| June 6, 2025 | Vehicle Maintenance · Inspection Reports | Operating a CMV without documentation of a periodic inspection | 4 | Cited |
| September 9, 2025 | Vehicle Maintenance · Brakes All Others | Air Brake - ABS malfunction lamp defective on trailers manufactured on or after March 1 1998 | 4 | Cited |
| September 9, 2025 | Vehicle Maintenance · Inspection Reports | Operating a CMV without documentation of a periodic inspection | 4 | Cited |
| September 9, 2025 | Vehicle Maintenance · Emergency Equipment | Emergency Equipment - Fire Extinguishers - no fire extinguisher present or not properly rated. | 2 | Cited |
| April 23, 2026 | Vehicle Maintenance · Clearance Identification Lamps/Other | Lighting - Identification lamp(s) inoperative | 2 | Cited |
| February 3, 2025 | Vehicle Maintenance · Clearance Identification Lamps/Other | Lighting - License plate lamp inoperative | 2 | Cited |
| April 23, 2026 | Vehicle Maintenance · Clearance Identification Lamps/Other | Lighting - Side marker lamp(s) missing | 2 | Cited |
Crash History (1)
Crashes reported to FMCSA in the last 24 months. A crash appearing here is a reported event, not a finding of fault.
1
Crashes
0
Fatalities
0
Injuries
1
Tow-aways
| Date | State | Fatal | Injured | Tow | Conditions |
|---|---|---|---|---|---|
| December 4, 2025 | WI | — | — | Yes | No Adverse Conditions · Daylight · Ice |
Fleet & Operating Areas
Observed roadside activity and equipment
Where This Carrier Operates
States where this carrier's roadside inspections were recorded
FewerMore
WI6
Fleet & Equipment (12)
Vehicles identified in this carrier's inspection history. Year, make, model and equipment type are decoded from the VIN.
Power units
~9
of 10 reported to FMCSA
Trailers
~3
seen at inspection
Equipment types observed
Truck
3
Dry Van
2
Tractor
2
Chassis / Incomplete
1
Flatbed
1
Units on record
| Vehicle | Type | VIN | Inspections | With OOS |
|---|---|---|---|---|
| Homemade T | — | 10000000000005219 | 1 | — |
| Unpublishe | — | 112SB2511GL080582 | 1 | — |
| 2024 Stoughton Trailers | Dry Van · 48 ft | 1DW1A4824RS886902 | 1 | — |
| 1995 Wabash Smooth Side Can | Dry Van · 48 ft | 1JJV482UXSL253117 | 1 | — |
| 2025 Kenworth T880 | Truck · Class 8 | 1NKZXPEX7SJ135747 | 1 | — |
| 1997 Transcraft | Flatbed · 45 ft | 1TTF45209V1055061 | 1 | 1 |
| 2022 Peterbilt 389 | Tractor · Class 8 | 1XPXD49XXND795275 | 1 | — |
| 2025 International HX620 | Tractor · Class 8 | 3HSPCSZR7SN675123 | 1 | — |
| 2024 International HX620 | Truck · Class 8 | 3HTPCAPT6RN071884 | 1 | 1 |
| 2023 International HX620 | Truck · Class 8 | 3HTPCTZT1PN746367 | 1 | — |
Show all 12 units
| Vehicle | Type | VIN | Inspections | With OOS |
|---|---|---|---|---|
| 2019 Volvo Truck VHD | Chassis / Incomplete · Class 8 | 4V5KC9EJ6KN221887 | 1 | — |
| Unknown | — | HMDB822288K012492 | 1 | — |
A vehicle appearing here was recorded in an inspection — it is not proof the carrier still operates it today.
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Data sourced from FMCSA MCMIS via Socrata. Record last updated: September 7, 2026.
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