Equipment unit · VIN-decoded · NHTSA vPIC

2025 Big Tex

16V3F4829S6412950 · Trailer · TRAILER
Carriers run under2
13 mo
Inspections6
all-time
OOS inspections4
of 6
First seenJun 11, 2025
WY
Last seenJul 22, 2026
FL
Inspected under 2 different carriers in 13 months
A unit that bounces between many operators can indicate slip-seating, heavy sub-haul, or double-brokering. Review the carrier timeline below for load integrity — context for human judgment, not a verdict.
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
16V3F4829S6412950
Make
Big Tex
Model
Big Tex
Model year
2025
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 26, 2026
vPIC returns make / model / year / body class / GVWR. Fields it does not resolve are shown as Not decoded rather than guessed.
Decode evidence & sources

Deterministic structure

These fields come directly from VIN positions and the published checksum calculation, with zero store IO.

World manufacturer identifier
16V

Deterministic · VIN positions 1–3.

Vehicle descriptor section
3F482

Deterministic · VIN positions 4–8.

Check digit
9 · valid

Deterministic · position 9; calculated value 9.

Model year candidates
1995 or 2025

Position 10 repeats every 30 years; both candidates are retained and neither is silently selected.

North American serial sequence
412950

Deterministic · positions 12–17 for a North American WMI.

Sourced platform inference

The prefix store publishes only at support ≥ 3 and purity ≥ 90%. Prefix confidence is shown beside every established platform claim.

Make
BIG TEX

Prefix basis · 2,099 decoded VINs at 100.0% prefix purity.

Model
Big Tex

Prefix basis · 2,099 decoded VINs at 100.0% prefix purity.

Model line
Not established

No sourced model-line label is established.

No source established for this field.

Generation
Not established

No sourced generation label is established.

No source established for this field.

Cab type
Not established

No sourced cab label is established.

No source established for this field.

Federal observation (NHTSA vPIC)

What the federal corpus observed directly for this exact VIN — independent of, and sometimes more specific than, the prefix-level inference above.

Observed model year
2025

Observed directly for this VIN via NHTSA vPIC.

Observed make
BIG TEX

Observed directly for this VIN via NHTSA vPIC.

Observed model
Big Tex

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Trailer

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
TRAILER

Observed directly for this VIN via NHTSA vPIC.

GVWR
Not established

Observed directly for this VIN via NHTSA vPIC.

Not established

  • model line
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Jun 11, 2025 – Jul 22, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 22, 2026FLIII · Driver-only6OOSALFONSO DIAZ TRANSPORT SERVICE LLC 4430087F207825/MI
May 19, 2026TNI · Full0ALFONSO DIAZ TRANSPORT SERVICE LLC 4430087F207825/MI
Feb 27, 2026MSI · Full3OOSALFONSO DIAZ TRANSPORT SERVICE LLC 4430087F207825/MI
Feb 17, 2026FLIII · Driver-only3OOSALFONSO DIAZ TRANSPORT SERVICE LLC 4430087F207825/MI
Nov 6, 2025NMI · Full1ALFONSO DIAZ TRANSPORT SERVICE LLC 4430087F207825/MI
Jun 11, 2025WYI · Full14OOSWRP TRANSPORT CORP 3640980F207825/MI
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ALFONSO DIAZ TRANSPORT SERVICE LLC4430087Nov 6, 2025Jul 22, 20265FL
WRP TRANSPORT CORP3640980Jun 11, 2025Jun 11, 20251FL
Names are left-joined from the FMCSA census; a DOT with no census match falls back to its number.
04

Plate & unit-number history

The same truck under different plate registrations across carriers

PlateState / prov.Unit no.CarrierDate rangeInsp.
F207825MI2ALFONSO DIAZ TRANSPORT SERVICE LLCNov 6, 2025Jul 22, 20265
F207825MIWRP TRANSPORT CORPJun 11, 2025Jun 11, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 26, 2026