Equipment unit · VIN-decoded · NHTSA vPIC

2023 Pj

4P53F4923P1392585 · Trailer · TRAILER
Carriers run under2
23 mo
Inspections10
all-time
OOS inspections2
of 10
First seenJun 14, 2024
MO
Last seenMay 26, 2026
WI
Inspected under 2 different carriers in 23 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
4P53F4923P1392585
Make
Pj
Model
PJ
Model year
2023
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
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
1993 or 2023

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

North American serial sequence
392585

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
2023

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 · Jun 14, 2024 – May 26, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 26, 2026WII · Full0ISD TRANSPORT INC 37015051026189ST/IL
May 19, 2026LAI · Full0ISD TRANSPORT INC 37015051026189/IL
May 14, 2026RII · Full0ISD TRANSPORT INC 37015051026189/IL
Apr 13, 2026NYI · Full0ISD TRANSPORT INC 37015051026189ST/IL
Dec 22, 2025KYI · Full0GRAY CORPORATION 3112376T026189ST/IL
May 13, 2025TNI · Full0GRAY CORPORATION 31123766199TN/IL
May 5, 2025TXI · Full0GRAY CORPORATION 31123766199/IL
Aug 20, 2024TNI · Full2OOSGRAY CORPORATION 31123766199TN/IL
Aug 20, 2024TNI · Full1OOSGRAY CORPORATION 31123766199TN/IL
Jun 14, 2024MOI · Full0GRAY CORPORATION 31123766199TN/IL
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ISD TRANSPORT INC3701505Apr 13, 2026May 26, 20264IL
GRAY CORPORATION3112376Jun 14, 2024Dec 22, 20256IL
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.
1026189STILISD TRANSPORT INCApr 13, 2026May 26, 20262
1026189ILISD TRANSPORT INCMay 14, 2026May 19, 20262
T026189STILGRAY CORPORATIONDec 22, 2025Dec 22, 20251
6199TNILGRAY CORPORATIONJun 14, 2024May 13, 20254
6199ILGRAY CORPORATIONMay 5, 2025May 5, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 16, 2026