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Truck Graph
20/100
⚠ Caution
Minor signals on record. Confirm authority and insurance before dispatch.
Winckler Trucking
DOT 173367 · MC MC157716 · Yankton, SD
Report generated: June 11, 2026 at 3:03 AM
✓Authorized for hire?
✓Active insurance?
✓Safety record clean?
✗No fraud flags?
✓No prior revocations?
Carrier Summary

Winckler Trucking (DOT 173367, MC MC157716) is a South Dakota-based interstate carrier headquartered in Yankton, SD. As of June 11, 2026 at 3:03 AM, operating authority is currently active. TruckGraph has detected 1 risk signal on this carrier, including: authority revoked within the last 3 years. TruckGraph rates this carrier "Caution" based on FMCSA compliance data, inspection history, insurance status, and network connection analysis. Last synced: June 11, 2026 at 3:03 AM.

Common Authority
FMCSA Public Record
Mark A Winckler
Operating as: Winckler Trucking
DOT Number173367
MC NumberMC157716
Street3704 WHITING DRIVE
City / StateYankton, SD 57078
Phone6056658948
Operation typeInterstate
HazmatNot authorized
Authority age52 yr
MCS-150 filed09/14/2024
Company officerMark A Winckler
Power units1
Total drivers1
Authority Status
Common (for-hire)✓ Active
Contract (for-hire)Not authorized
BrokerNot authorized
TruckGraph Intelligence
Risk Signals
●Authority revoked within the last 3 years
✓ OFAC Sanctions: Clear
Connection Chain
DOT nullShared insurer
Revoked
OOS rate 0.0% vs. national avg 22.26% — below average
Network Intelligence Map
Carriers sharing an officer, address, or phone with Winckler Trucking
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Power Units
1
Fleet
Drivers
1
Total
Inspections
2
On record
Crashes
0
On record
OOS Rate
0.0%
↓ Avg 22.26%
Authority Age
52 yr
Since 1974
Violation Categories — Last 24 Months
Hours of Service
2 insp (100%)
Unsafe Driving
2 insp (100%)
Driver Fitness
2 insp (100%)
Controlled Substances
2 insp (100%)
Vehicle Maintenance
1 insp (50%)· 1 viol
Inspection History
2 total · OOS rate 0.0%
DateStateLevelDriver OOSVehicle OOSResult
10/17/2025SDIII00Pass
11/16/2024SDII00Pass
Crash History
0 total on record

No crash records on file.

Insurance Status
Status
✓ Active filing on record
Insurer
UNITED FINANCIAL CASUALTY COMPANY
Coverage type
91X
Coverage amount
$750,000
Effective
11/4/2024
Location
3704 WHITING DRIVE, Yankton, SD, 57078 · Open in Maps →
3704 WHITING DRIVE, YANKTON, SD, 57078Open in Maps →
Authority Timeline
Authority GrantedJun 1974
FMCSA issued operating authority
ActiveCurrent
Authority currently active

Source: FMCSA compliance records, inspection data, crash records, insurance filings, and TruckGraph analysis. View methodology

Important Legal Notice

Data sourced from FMCSA public records and TruckGraph independent analysis. This is not legal advice, not a guarantee of carrier safety, and not a compliance certification. Verify through official FMCSA sources before tendering. Last synced: .

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Frequently Asked Questions

Is Mark A Winckler authorized to operate?

Yes. Mark A Winckler holds Common operating authority and is currently active.

What is Mark A Winckler's safety record?

Mark A Winckler has 2 roadside inspections on record with an out-of-service rate of 0.0%. Crash history shows 0 incidents. Review the full safety profile above before making a freight decision.

How many trucks does Mark A Winckler operate?

Mark A Winckler operates 1 power units with approximately 1 drivers.

Is Mark A Winckler insured?

Mark A Winckler has active insurance coverage on file. Coverage amount and carrier details are shown in the insurance section above.

Has Mark A Winckler had any risk indicators?

Mark A Winckler has a risk score of 20/100 (Caution) with 1 active risk signal. Review the risk section above and verify independently before tendering.

What is the DOT number for Mark A Winckler?

Mark A Winckler's DOT number is 173367 and MC number is MC157716. These identifiers are assigned by the FMCSA and can be used to look up this carrier in official compliance databases.

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Truck Graph data is open and citable. For press inquiries, contact our editorial team.

APA
Truck Graph. (2026). Winckler Trucking Safety Record, DOT 173367. Retrieved from https://truckgraph.com/carriers/173367
MLA
"Winckler Trucking Safety Record, DOT 173367." Truck Graph, Jun 11, 2026, https://truckgraph.com/carriers/173367
Chicago
"Winckler Trucking Safety Record, DOT 173367." Truck Graph. Last modified June 11, 2026. https://truckgraph.com/carriers/173367