Carrier profile · USDOT 4430087 · MC-1743612 · Updated Jun 13, 2026

Alfonso Diaz Transport Service LLC

3 power unitsavg 4.9 yrMulti-region · 13 statesTAMPA, FL74/100

CARRIER ACTIVEMC-1743612 ACTIVEHAZMAT

Observed fleet · trailing 24 mo daily

3Power units

7 observed · MCS-150

8Trailers seen

Decoded · vPIC

4.9Avg age (yr)

2014–2025 · vPIC

Call dispatch(656) 789-2008 Email dispatchDIAZSERVICES2@GMAIL.COM

Click to see how we scored it

Load decision · FMCSA snapshot · Jun 13, 2026

Review before loading

Operating, but with flags a broker should weigh before tendering freight.

Watch · 2

Vehicle out-of-service rate well above average57.1% of vehicle inspections were placed out of service vs the 22.26% national average.Driver out-of-service rate well above average52.6% of driver inspections were placed out of service vs the 6.7% national average.

In good standing · 3

Active operating authorityActive for-hire authority is on file with FMCSA.Insurance on fileBIPD (liability) insurance is on file with FMCSA.No reported crashesNo DOT-reportable crashes are on this carrier's record.

USDOT registration

yr registered

Active for-hire

Insurance (BIPD)$750K in force

FMCSA L&I

Vehicle OOS · 24-mo57.1%

▲ 22.26% nat'l

Crashes · fatal

Clean · 24 mo

USDOT registration

yr registered

Active for-hire

Insurance (BIPD)$750K in force

FMCSA L&I

Vehicle OOS · 24-mo57.1%

▲ 22.26% nat'l

Crashes · fatal

Clean · 24 mo

Vektor intelligence · beyond the federal recordProprietary signals computed from VIN-decoded inspections & daily FMCSA snapshots

Fleet typeIdentity

Owner-operator

3 power units. Brokers price each fleet type apart.

Fleet age vs peersNewer

4.9 yr

Model years 2014–2025 · peer benchmark unavailable.

Identity stabilityNew

1 yr unchanged

Same registration since 2025 — no chameleon / reincarnation signal.

Safety

19 inspections · 24 mo · vs national benchmarks

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

Vehicle OOS 57.1%24-mo cumulative

050%nat'l 22.26%

Driver OOS 52.6%24-mo cumulative

030%nat'l 6.67%

Every inspection in the window pooled — 14 vehicle and 19 driver inspections over 24 months.

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

70.0% · latest 6-mo window▲ Rising

Share of vehicle-level roadside inspections in each trailing six-month window that resulted in a vehicle out-of-service order. Trending up 40.8 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

19 inspections in the charted months · busiest month Sep '25 · 3

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

≈3.2 / 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: 19
Annualized: ≈10 / yr
Coverage: ≈3.2 inspections / unit · yr

Violation themes· decoded · grouped by BASIC

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

393.9 Inoperative required lampsVehicle Maintenance8 · 5 OOS
393.43 Parts & accessories (vehicle condition)Vehicle Maintenance6 · 6 OOS
391.41 No / expired medical certificateDriver Fitness5 · 4 OOS
390.21 USDOT number marking on vehicleUnsafe Driving5 · 0 OOS
391.11 Driver not qualifiedDriver Fitness4 · 4 OOS
393.75 Tires (defective / underinflated / worn)Vehicle Maintenance4 · 2 OOS
392.2 State/local traffic law violation (speeding, etc.)Unsafe Driving3 · 0 OOS
383.23 Operating without a valid CDLDriver Fitness3 · 3 OOS
395.8 Record of duty status (log / ELD) not current or missingHOS Compliance3 · 3 OOS
396.17 Periodic (annual) inspectionVehicle Maintenance2 · 0 OOS

Explore full safety record — inspections, BASICs, crashes

Authority & Insurance

Can they legally + adequately haul your load?

Operating authority· 49 CFR · per type

Operating authority

Common: Active
Contract: None
Broker: None

Insurance & bonds

BIPD / liability$750,000 in force

Cargo filing (census)Not recorded per census

Surety bond (census)Not recorded per census

Insurance adequacy· filed BIPD vs the $750K federal floor

$750K in forcegeneral-freight federal minimum

$750K floor

Filed BIPD coverage of $750K meets or exceeds the $750K federal minimum for general freight (49 CFR 387.9). Some commodities (hazmat, larger vehicles) require $1M–$5M — confirm against your load.

Insurance continuity· insurer · policy · lapses

No insurance filing history on record.

BIPD in force — $750,000 · PROGRESSIVE EXPRESS INSURANCE COMPANY · since Jul 2025

Explore full authority & insurance record

Equipment

VIN-decoded · NHTSA vPIC

Capacity· power units = haulable capacity; trailers are towed

Registered power units (MCS-150): 3
Observed power (24 mo): 7
Trailers (towed): 8

Capacity is power units only — trailers are towed equipment and are never summed into a fleet-size figure.

Fleet age· model years · decoded VINs

4.9 yr

Average age

2025

Newest model yr

2014

Oldest model yr

62.5%

VINs decoded

Explore full fleet — VIN roster, equipment mix, age distribution

Operations & Lanes

Revealed by inspection density across 13 states · 24 mo

Operating footprint· revealed by roadside-inspection geography

Operating radiusMulti-region

revealed

States observed

US states

Inspections · 24 mo

FL busiest

Inspection density by state· each tile = a state · shade = inspections, last 24 mo

Home base

TAMPA, FL

2909 W ST JOHN ST

Top corridor

FL 7 · KY 1 · NM 1

Density

fewermore

Shade = roadside inspections, last 24 mo.

See the full operating map — state density, top lanes

Network & Fraud

Affiliated entities & reincarnation signals · for review, not a verdict

Last 12 months: 8 trucks also ran under 8 other carriers

VINs inspected under this carrier were recently inspected under other USDOTs too — the active double-broker / shared-equipment signal: USDOT 4293429 USDOT 4411545 USDOT 4154408 USDOT 4426658 USDOT 3466377 USDOT 4066550 USDOT 4446494 USDOT 4399254Some overlap is legitimate (leased or sold equipment); review alongside the other signals.

Show all-time history (12 trucks · 12 carriers)

Across all inspections on record: USDOT 4120018 USDOT 4293429 USDOT 4411545 USDOT 3640980 USDOT 4066550 USDOT 4154408 USDOT 4426658 USDOT 4093501

Capacity consistency· registered vs roadside-observed power units

Registered (MCS-150)

Observed (24 mo)

Shared w/ other carriers

Roadside-observed power units materially exceed the registered MCS-150 fleet — confirm the carrier is operating within its filed capacity.

Explore the carrier network & VIN cross-links

Identity & Federal

FMCSA census + L&I dossier

Location

Physical address: 2909 W ST JOHN ST, TAMPA, FL, 33607
Operation: Interstate· Hazmat

Contact

Phone: (656) 789-2008
Fax: 0
Email: diazservices2@gmail.com

Registration

Officer: Roxana Alfonso Perez
USDOT / docket: 4430087 · MC-1743612
First registered: Jun 26, 2025
Last MCS-150: Oct 27, 2025
FMCSA safety rating: Not rated
Recordable crash rate: 0.00
D-U-N-S: —

Fleet (self-reported · MCS-150)

Power units

Drivers

CDL drivers

—Annual mileage

Open the full identity & federal record

Federal activity

Daily-captured FMCSA licensing & insurance changes — monitored by Vektor

Federal record activity· monitored daily by Vektor

No licensing or insurance changes captured since Vektor began monitoring this carrier (June 2026). Quiet is usually good.

Open the full federal-record activity feed

Reviews

Verified broker, shipper & driver reviews — moderated

Performance ratings only — never the Vektor risk score

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Verification summaryAuthority, insurance, safety and identity facts for ALFONSO DIAZ TRANSPORT SERVICE LLC.

ALFONSO DIAZ TRANSPORT SERVICE LLC (USDOT 4430087) has a Vektor safety score of 74/100 and a Review before loading verdict, from the carrier's FMCSA record refreshed Jun 13, 2026.

The carrier holds active common for-hire operating authority per FMCSA L&I as of Jun 13, 2026.

It has an active BIPD insurance filing with a $750,000 limit in force from PROGRESSIVE EXPRESS INSURANCE COMPANY effective Jul 25, 2025 in FMCSA L&I's current snapshot as of Jun 13, 2026.

Its vehicle out-of-service rate was 57.1% over the last 24 months, versus the 22.26% CVSA national average, from FMCSA roadside-inspection data refreshed Jun 13, 2026.

The carrier received 19 roadside inspections in the last 24 months — 14 vehicle-level and 19 driver-level — across 13 states, according to FMCSA roadside-inspection data refreshed Jun 13, 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 Jun 13, 2026.

It reports 3 power units and 3 drivers in its most recent MCS-150 filing dated Oct 27, 2025.

It has no FMCSA-assigned safety rating in the federal record refreshed Jun 13, 2026.

Frequently asked

What is ALFONSO DIAZ TRANSPORT SERVICE LLC's USDOT number?

ALFONSO DIAZ TRANSPORT SERVICE LLC's USDOT number is 4430087, and its motor carrier number is MC-1743612.

Is ALFONSO DIAZ TRANSPORT SERVICE LLC authorized to operate?

As of Jun 13, 2026, ALFONSO DIAZ TRANSPORT SERVICE LLC is active in the FMCSA register with common, contract, broker operating authority on file.

What is ALFONSO DIAZ TRANSPORT SERVICE LLC's safety record?

ALFONSO DIAZ TRANSPORT SERVICE LLC has a 57.1% vehicle out-of-service rate (national average 22.26%) across 19 roadside inspections, with 0 reportable crashes in the last 24 months, and is not currently rated by FMCSA. Vektor's computed risk score is 74/100 (tier: review).