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Truck Graph
100/100
✗ Do Not Tender
Critical risk signals. Do not dispatch until independently verified.
Mack Trucking Co
DOT 1806346 · MC MC656607 · Coolidge, AZ
Report generated: June 1, 2026 at 12:45 PM
✓Authorized for hire?
✓Active insurance?
✗Safety record clean?
✗No fraud flags?
✗No prior revocations?
Carrier Summary

Mack Trucking Co (DOT 1806346, MC MC656607) is a Arizona-based interstate carrier headquartered in Coolidge, AZ. As of June 1, 2026 at 12:45 PM, operating authority is currently active. TruckGraph has detected 4 risk signals on this carrier, including: principal linked to a revoked carrier; principal operates multiple active carrier authorities. TruckGraph rates this carrier "Do Not Tender" based on FMCSA compliance data, inspection history, insurance status, and network connection analysis. Last synced: June 1, 2026 at 12:45 PM.

Common Authority
FMCSA Public Record
Christopher Williams
Operating as: Mack Trucking Co
DOT Number1806346
MC NumberMC656607
Street1085 S ARIZONA BLVD
City / StateCoolidge, AZ 85128
Phone4024436838
Operation typeInterstate
HazmatNot authorized
Authority age17 yr 9 mo
MCS-150 filed01/30/2026
Company officerChristopher Williams
Power units1
Total drivers1
Authority Status
Common (for-hire)✓ Active
Contract (for-hire)Not authorized
BrokerNot authorized
TruckGraph Intelligence
Risk Signals
●Principal linked to a revoked carrier
●Principal operates multiple active carrier authorities
●Authority revoked within the last 3 years
●Crash with fatalities or injuries on record
⚠ Serial Restarter Alert
1 prior revocation on record. Carrier re-registered authority after revocation. Exercise heightened scrutiny.
✓ 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
1
On record
OOS Rate
0.0%
↓ Avg 22.26%
Authority Age
17 yr 9 mo
Since 2008
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
7/19/2025NCIII00Pass
Crash History
1 total on record
DateStateFatalitiesInjuriesTow-away
—NC03Y
Insurance Status
Status
✓ Active filing on record
Insurer
UNITED FINANCIAL CASUALTY COMPANY
Coverage type
91X
Coverage amount
$750,000
Effective
5/25/2026
Location
1085 S ARIZONA BLVD, Coolidge, AZ, 85128 · Open in Maps →
1085 S ARIZONA BLVD, COOLIDGE, AZ, 85128Open in Maps →
Authority Timeline
Authority GrantedAug 2008
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 Christopher Williams authorized to operate?

Yes. Christopher Williams holds Common operating authority and is currently active.

What is Christopher Williams's safety record?

Christopher Williams has 1 roadside inspections on record with an out-of-service rate of 0.0%. Crash history shows 1 incidents. Review the full safety profile above before making a freight decision.

How many trucks does Christopher Williams operate?

Christopher Williams operates 1 power units with approximately 1 drivers.

Is Christopher Williams insured?

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

Has Christopher Williams had any risk indicators?

Christopher Williams has a risk score of 100/100 (Critical) with 4 active risk signals. Review the risk section above and verify independently before tendering.

What is the DOT number for Christopher Williams?

Christopher Williams's DOT number is 1806346 and MC number is MC656607. These identifiers are assigned by the FMCSA and can be used to look up this carrier in official compliance databases.

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For journalists and researchers

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

APA
Truck Graph. (2026). Mack Trucking Co Safety Record, DOT 1806346. Retrieved from https://truckgraph.com/carriers/1806346
MLA
"Mack Trucking Co Safety Record, DOT 1806346." Truck Graph, Jun 1, 2026, https://truckgraph.com/carriers/1806346
Chicago
"Mack Trucking Co Safety Record, DOT 1806346." Truck Graph. Last modified June 1, 2026. https://truckgraph.com/carriers/1806346