Carrier profile · USDOT 2255106 · MC-769453 · Updated Jun 30, 2026

Jesus Angel Montemayor

DBA MAZU TRUCKING SA DE CV

3 power unitsavg 19.9 yrLocal · 2 statesBROWNSVILLE, TX87/100
CARRIER ACTIVEMC-769453 ACTIVE
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 27.3%24-mo cumulative
050%nat'l 22.26%
Driver OOS 8.3%24-mo cumulative
030%nat'l 6.67%

Every inspection in the window pooled — 11 vehicle and 12 driver inspections over 24 months.

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

22.2% · 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 26.8 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

10 inspections in the charted months · busiest month Feb '25 · 4

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.

Heavily inspected
Under-inspected
Expected
Well-monitored
Heavily inspected
≈2.0 / unit·yr
thin signalabundant signal
Among the more heavily-inspected carriers for its size — abundant roadside signal. Coverage isn't the question here; the out-of-service and crash record is.
Registered power units
3
Inspections · 24 mo
12
Annualized
≈6 / yr
Coverage
≈2.0 inspections / unit · yr

BASIC categories· CSA SMS · Aug 2026

Unsafe Driving
0violations
clean · per-BASIC
5%
Hours-of-Service
Vektor peer est.
Driver Fitness
0violations
clean · per-BASIC
Controlled Substances
0violations
clean · per-BASIC
84%
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.

  • 393.45 Brake tubing / hose defectsVehicle Maintenance8 · 0 OOS
  • 396.5 Oil and/or grease leakVehicle Maintenance7 · 1 OOS
  • 393.11 Required lamps/reflectors missingVehicle Maintenance7 · 0 OOS
  • 393.47 Brake actuators / linings / componentsVehicle Maintenance7 · 0 OOS
  • 393.55 Antilock brake system (ABS)Vehicle Maintenance6 · 0 OOS
  • 393.9 Inoperative required lampsVehicle Maintenance5 · 2 OOS
  • 393.75 Tires (defective / underinflated / worn)Vehicle Maintenance4 · 2 OOS
  • 396.3 Inspection / repair / maintenance not performedVehicle Maintenance4 · 1 OOS
  • 393.95 Emergency equipment (extinguisher, triangles)Vehicle Maintenance3 · 0 OOS
  • 393.83 Exhaust systemVehicle Maintenance3 · 0 OOS

ELD & hours-of-service

1 hours-of-service / ELD violation on record · most recent Aug 13, 2024. FMCSA does not publish the ELD device brand; these are the carrier's logging-compliance signals.

1ELD device issues
0No log / no ELD
0False logs
0Drove over hours

Trending worse — 100% of ELD violations are in the last 24 months.

Crash history· 11 total · 0 in 24 mo

11
Total crashes
0
In last 24 mo
0
Fatal
4
Injury
YearCrashesFatalInjuryTow
20241011
20231011
20201011
20182002
20171001
20152002
20132002
20121010
DateStateFatalitiesInjuriesTow-away
Jul 16, 2024TX01Yes
Dec 5, 2023TX01Yes
Feb 3, 2020TX02Yes
Aug 14, 2018TX00Yes
Feb 20, 2018TX00Yes
Jun 2, 2017TX00Yes
Apr 24, 2015TX00Yes
Apr 24, 2015TX00Yes
Jan 8, 2013TX00Yes
Jan 8, 2013TX00Yes
Mar 19, 2012TX01No