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Truck Graph
0/100
✓ No Flags Detected
No risk signals detected. Independently verify before tendering.
Duffy Trucking
DOT 2309114 · MC MC788336 · Winner, SD
Report generated: June 8, 2026 at 6:28 PM
✓Authorized for hire?
✓Active insurance?
✓Safety record clean?
✓No fraud flags?
✓No prior revocations?
Carrier Summary

Duffy Trucking (DOT 2309114, MC MC788336) is a South Dakota-based interstate carrier headquartered in Winner, SD. As of June 8, 2026 at 6:28 PM, operating authority is currently active. No active risk signals detected. TruckGraph rates this carrier "No Flags Detected" based on FMCSA compliance data, inspection history, insurance status, and network connection analysis. Last synced: June 8, 2026 at 6:28 PM.

Contract Authority
FMCSA Public Record
Chad Duffy
Operating as: Duffy Trucking
DOT Number2309114
MC NumberMC788336
Street31838 277TH STREET
City / StateWinner, SD 57580
Phone6058422519
Operation typeInterstate
HazmatNot authorized
Authority age14 yr
MCS-150 filed10/08/2024
Company officerChad Duffy
Power units1
Total drivers1
Authority Status
Common (for-hire)Not authorized
Contract (for-hire)✓ Active
BrokerNot authorized
TruckGraph Intelligence
✓ No risk signals detected
✓ OFAC Sanctions: Clear
Connection Chain
DOT nullShared insurer
Revoked
OOS rate 0.0% vs. national avg 22.26% — below average
Network Intelligence Map
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Power Units
1
Fleet
Drivers
1
Total
Inspections
1
On record
Crashes
0
On record
OOS Rate
0.0%
↓ Avg 22.26%
Authority Age
14 yr
Since 2012
Violation Categories — Last 24 Months
Hours of Service
1 insp (100%)
Unsafe Driving
1 insp (100%)
Driver Fitness
1 insp (100%)
Controlled Substances
1 insp (100%)
Inspection History
1 total · OOS rate 0.0%
DateStateLevelDriver OOSVehicle OOSResult
6/27/2025NEIII00Pass
Crash History
0 total on record

No crash records on file.

Insurance Status
Status
✓ Active filing on record
Insurer
GREAT WEST CASUALTY CO.
Coverage type
91X
Coverage amount
$1,000,000
Effective
6/13/2014
Location
31838 277TH STREET, Winner, SD, 57580 · Open in Maps →
31838 277TH STREET, WINNER, SD, 57580Open in Maps →
Authority Timeline
Authority GrantedMay 2012
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 Chad Duffy authorized to operate?

Yes. Chad Duffy holds Contract operating authority and is currently active.

What is Chad Duffy's safety record?

Chad Duffy has 1 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 Chad Duffy operate?

Chad Duffy operates 1 power units with approximately 1 drivers.

Is Chad Duffy insured?

Chad Duffy has active insurance coverage on file. Coverage amount and carrier details are shown in the insurance section above.

Has Chad Duffy had any risk indicators?

No risk signals detected for Chad Duffy as of the most recent data sync. Score: 0/100 (Clear).

What is the DOT number for Chad Duffy?

Chad Duffy's DOT number is 2309114 and MC number is MC788336. 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). Duffy Trucking Safety Record, DOT 2309114. Retrieved from https://truckgraph.com/carriers/2309114
MLA
"Duffy Trucking Safety Record, DOT 2309114." Truck Graph, Jun 8, 2026, https://truckgraph.com/carriers/2309114
Chicago
"Duffy Trucking Safety Record, DOT 2309114." Truck Graph. Last modified June 8, 2026. https://truckgraph.com/carriers/2309114