Equipment unit · VIN-decoded · NHTSA vPIC

2025 Big Tex

16V3F4827S6384369 · Trailer · TRAILER
Carriers run under3
11 mo
Inspections9
all-time
OOS inspections2
of 9
First seenMay 22, 2025
NM
Last seenApr 25, 2026
TN
Inspected under 3 different carriers in 11 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
16V3F4827S6384369
Make
Big Tex
Model
Big Tex
Model year
2025
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 16, 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
7 · valid

Deterministic · position 9; calculated value 7.

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
384369

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 · May 22, 2025 – Apr 25, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 25, 2026TNI · Full0AMBUFREIGHT INC 3286036031855N/TX
Mar 21, 2026MSI · Full0AMBUFREIGHT INC 3286036031855N/TX
Jan 20, 2026LAI · Full0AMBUFREIGHT INC 3286036031855N/TX
Oct 8, 2025OHII · Walk-around4OOSAMBUFREIGHT INC 3286036NO PLATE/TX
Sep 30, 2025USI · Full0AMBUFREIGHT INC 3286036LA39273/NC
Aug 25, 2025OHI · Full6OOSHAVELOCK TRANSPORTATION LLC 4180494031855N/TX
Jun 20, 2025TNI · Full1CASTLE MOUNTAIN HOTSHOT SERVICE LLC 4197581031855N/TX
Jun 18, 2025ILII · Walk-around1CASTLE MOUNTAIN HOTSHOT SERVICE LLC 4197581031855N/TX
May 22, 2025NMI · Full0CASTLE MOUNTAIN HOTSHOT SERVICE LLC 4197581031855N/TX
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
AMBUFREIGHT INC3286036Sep 30, 2025Apr 25, 20265TX
HAVELOCK TRANSPORTATION LLC4180494Aug 25, 2025Aug 25, 20251CO
CASTLE MOUNTAIN HOTSHOT SERVICE LLC4197581May 22, 2025Jun 20, 20253CO
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.
031855NTXAMBUFREIGHT INCJan 20, 2026Apr 25, 20263
NO PLATETXAMBUFREIGHT INCOct 8, 2025Oct 8, 20251
LA39273NCAMBUFREIGHT INCSep 30, 2025Sep 30, 20251
031855NTXHAVELOCK TRANSPORTATION LLCAug 25, 2025Aug 25, 20251
031855NTXCASTLE MOUNTAIN HOTSHOT SERVICE LLCMay 22, 2025Jun 20, 20253
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 16, 2026