Carrier profile · USDOT 2901058 · MC-975882 · Updated Jun 13, 2026

Master Trucking LLC

33 power unitsavg 10.3 yrNational · 16 statesTUCSON, AZ75/100
CARRIER ACTIVEMC-975882 ACTIVERATED CONDITIONAL
Verified linksFMCSA SAFER

Safety

Roadside out-of-service rates versus the national benchmark, inspection and crash trends, decoded violation themes, and ELD / hours-of-service integrity — the full safety picture behind the verdict.

Out-of-service rate· 24-mo cumulative · vs national

Vehicle OOS 28.6%24-mo cumulative
050%nat'l 22.26%
Driver OOS 23.2%24-mo cumulative
030%nat'l 6.67%

Every inspection in the window pooled — 56 vehicle and 99 driver inspections over 24 months.

Vehicle OOS rate· vehicle OOS · vehicle-level inspections · 6-month trailing

35.7% · latest 6-mo window▼ Falling

Share of vehicle-level roadside inspections in each trailing six-month window that resulted in a vehicle out-of-service order. Trending down 2.4 pts across the window. The national vehicle benchmark uses the same metric and is shown on the chart.

Roadside inspection history· 24 charted calendar months · vehicle / driver level · any-OOS overlay

94 inspections in the charted months · busiest month Nov '25 · 8

Vehicle-levelDriver-levelAny OOS

Monthly FMCSA roadside inspections across the 24 charted calendar months. Bars show level-qualified vehicle and driver populations; one inspection can qualify for both. The line shows inspections with any out-of-service result.

Inspection coverage· expected vs observed · the fraud signal

Inspection coverage

How heavily FMCSA inspects this fleet for its size — it tells you how much to trust the safety signals above. Thin coverage on a young authority is a fraud signal nobody else surfaces.

Well-monitored
Under-inspected
Expected
Well-monitored
Heavily inspected
≈1.5 / unit·yr
thin signalabundant signal
Within the expected band for a 33-unit fleet — FMCSA has inspected this carrier often enough that the out-of-service and violation signals above are statistically trustworthy.
Registered power units
33
Inspections · 24 mo
99
Annualized
≈50 / yr
Coverage
≈1.5 inspections / unit · yr

BASIC categories· CSA SMS · Aug 2026

83%
Unsafe Driving
Vektor peer est.
100%
Hours-of-Service
Alert
87%
Driver Fitness
Vektor peer est.
48%
Controlled Substances
Alert
88%
Vehicle Maintenance
Vektor peer est.

Percentile = standing among same-exposure peers (higher = worse). FMCSA publishes percentiles for only some carriers (shown official); elsewhere we show a Vektor peer-percentile estimate, or the absolute SMS measure when there are too few inspections to rank.

Violation themes· decoded · grouped by BASIC

What this carrier actually gets cited for — FMCSA violation codes decoded into plain English, ranked by frequency.

  • 395.8 Record of duty status (log / ELD) not current or missingHOS Compliance134 · 19 OOS
  • 392.2 State/local traffic law violation (speeding, etc.)Unsafe Driving63 · 2 OOS
  • 395.3 Driving beyond hours-of-service limitsHOS Compliance59 · 10 OOS
  • 393.11 Required lamps/reflectors missingVehicle Maintenance30 · 0 OOS
  • 395.24 ELD — record edits / dataHOS Compliance30 · 0 OOS
  • 393.9 Inoperative required lampsVehicle Maintenance28 · 7 OOS
  • 393.55 Antilock brake system (ABS)Vehicle Maintenance26 · 0 OOS
  • 393.47 Brake actuators / linings / componentsVehicle Maintenance20 · 1 OOS
  • 393.45 Brake tubing / hose defectsVehicle Maintenance17 · 6 OOS
  • 393.95 Emergency equipment (extinguisher, triangles)Vehicle Maintenance16 · 0 OOS

ELD & hours-of-service

249 hours-of-service / ELD violations on record · most recent Apr 27, 2026. FMCSA does not publish the ELD device brand; these are the carrier's logging-compliance signals.

45ELD device issues
8No log / no ELD
123False logs
58Drove over hours

Trending worse — 64% of ELD violations are in the last 24 months. Falsified-log violations are a serious integrity flag.

Crash history· 7 total · 1 in 24 mo

7
Total crashes
1
In last 24 mo
0
Fatal
3
Injury
YearCrashesFatalInjuryTow
20261011
20242002
20232012
20211011
20191001
DateStateFatalitiesInjuriesTow-away
Jan 9, 2026KS01Yes
Apr 9, 2024CA00Yes
Mar 15, 2024CO00Yes
Mar 16, 2023MO00Yes
Jan 30, 2023MO02Yes
Feb 2, 2021NE01Yes
Aug 7, 2019IL00Yes