Equipment unit · VIN-decoded · NHTSA vPIC

2025 Pj

4P53F4923S1417896 · Trailer · TRAILER
Carriers run under3
10 mo
Inspections7
all-time
OOS inspections4
of 7
First seenSep 19, 2025
NM
Last seenJul 24, 2026
KS
Inspected under 3 different carriers in 10 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
4P53F4923S1417896
Make
Pj
Model
PJ
Model year
2025
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 30, 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
4P5

Deterministic · VIN positions 1–3.

Vehicle descriptor section
3F492

Deterministic · VIN positions 4–8.

Check digit
3 · valid

Deterministic · position 9; calculated value 3.

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
417896

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
PJ

Prefix basis · 868 decoded VINs at 100.0% prefix purity.

Model
PJ

Prefix basis · 868 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
PJ

Observed directly for this VIN via NHTSA vPIC.

Observed model
PJ

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 · Sep 19, 2025 – Jul 24, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 24, 2026KSI · Full6OOSCARBON MOTORS LLC 4512995952637M/TX
Jul 23, 2026NEI · Full3OOSUNITRANSPORT LLC 4550986952637M/TX
Apr 2, 2026MOI · Full2OOSHALG TRANSPORTS LLC 4319936942637M/TX
Jan 22, 2026MTI · Full0HALG TRANSPORTS LLC 4319936952637M/TX
Dec 29, 2025OHII · Walk-around1HALG TRANSPORTS LLC 4319936952637M/TX
Dec 23, 2025NMIII · Driver-only0HALG TRANSPORTS LLC 4319936952637M/TX
Sep 19, 2025NMI · Full2OOSHALG TRANSPORTS LLC 4319936952637M/TX
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
CARBON MOTORS LLC4512995Jul 24, 2026Jul 24, 20261FL
UNITRANSPORT LLC4550986Jul 23, 2026Jul 23, 20261WA
HALG TRANSPORTS LLC4319936Sep 19, 2025Apr 2, 20265TX
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.
952637MTX2CARBON MOTORS LLCJul 24, 2026Jul 24, 20261
952637MTX2UNITRANSPORT LLCJul 23, 2026Jul 23, 20261
942637MTXHALG TRANSPORTS LLCApr 2, 2026Apr 2, 20261
952637MTXHALG TRANSPORTS LLCSep 19, 2025Jan 22, 20264
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 30, 2026