Fleet typeIdentity
Small fleet
4 power units. Brokers price each fleet type apart.
Carrier profile · USDOT 1886865 · MC-679817 · Updated Aug 20, 2026
Clay Mack
DBA MM TRANSPORT & LEASING
4 power unitsavg 19.3 yrLocal · 2 statesSAFFORD, AZ50/100
CARRIER ACTIVEMC-679817 ACTIVE
Observed fleet · trailing 24 mo daily
4Power units
3 observed · MCS-150
1Trailers seen
Decoded · vPIC
19.3Avg age (yr)
1999–2022 · vPIC
Click to see how we scored it
Load decision · FMCSA snapshot · Aug 20, 2026
Limited record
Not enough federal record to assess. Verify authority and insurance directly.
USDOT registration1717 yr registered
Active for-hireInsurance (BIPD)$1M in force
FMCSA L&IVehicle OOS · 24-mo0.0%
Crashes · fatal00
Clean · 24 moVektor intelligence · beyond the federal recordProprietary signals computed from VIN-decoded inspections & daily FMCSA snapshots
Fleet age vs peersOlder
19.3 yr
Model years 1999–2022 · peer benchmark unavailable.
Identity stabilityStable
17 yr unchanged
Same registration since 2009 — no chameleon / reincarnation signal.
Loading full carrier record…
Verification summary
CLAY MACK (USDOT 1886865) is unrated by Vektor because the carrier's FMCSA record does not contain enough evidence for a safety score as of Aug 20, 2026.
The carrier holds active common for-hire operating authority per FMCSA L&I as of Aug 20, 2026.
It has an active BIPD insurance filing with a $1,000,000 limit in force from GREAT WEST CASUALTY CO. effective Aug 1, 2022 in FMCSA L&I's current snapshot as of Aug 20, 2026.
Its vehicle out-of-service rate was 0.0% over the last 24 months, versus the 22.26% CVSA national average, from FMCSA roadside-inspection data refreshed Aug 20, 2026.
The carrier received 3 roadside inspections in the last 24 months — 1 vehicle-level and 3 driver-level — across 2 states, according to FMCSA roadside-inspection data refreshed Aug 20, 2026.
The carrier has 0 reportable crashes in the last 24 months and 0 fatal crashes across the full FMCSA crash record available as of Aug 20, 2026.
It reports 4 power units and 3 drivers in its most recent MCS-150 filing dated Feb 26, 2026.
It has no FMCSA-assigned safety rating in the federal record refreshed Aug 20, 2026.
09
Frequently asked
What is CLAY MACK's USDOT number?
CLAY MACK's USDOT number is 1886865, and its motor carrier number is MC-679817.
Is CLAY MACK authorized to operate?
As of Aug 20, 2026, CLAY MACK is active in the FMCSA register with common, contract, broker operating authority on file.
What is CLAY MACK's safety record?
CLAY MACK has a 0.0% vehicle out-of-service rate (national average 22.26%) across 6 roadside inspections, with 0 reportable crashes in the last 24 months, and is not currently rated by FMCSA. Vektor does not assign this carrier a safety score: 3 federal roadside inspections in the last 24 months. FMCSA itself will not score a carrier's vehicle or driver record on fewer than 5, and neither will we — verify authority, insurance and references directly before tendering.
How big is CLAY MACK's fleet?
CLAY MACK operates 4 power units and 3 drivers per its most recent MCS-150 filing.
Where is CLAY MACK based?
CLAY MACK is based in SAFFORD, AZ, with roadside inspections recorded across 2 states.
10
Similar carriers near Safford, AZ
Comparable carriers around Safford and across Arizona
More Arizona carriers
Other FMCSA-registered carriers near this one in the directory, by USDOT number.