Equipment unit · VIN-decoded · NHTSA vPIC

2018 Peterbilt 389

1NPXX4EXXJD485886 · Truck · INCOMPLETE VEHICLE
Carriers run under2
37 mo
Inspections10
all-time
OOS inspections6
of 10
First seenJul 25, 2023
NY
Last seenAug 4, 2026
NY
Inspected under 2 different carriers in 37 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
1NPXX4EXXJD485886
Make
Peterbilt
Model
389
Model year
2018
Body class
Truck
Vehicle type
INCOMPLETE VEHICLE
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 23, 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
1NP

Deterministic · VIN positions 1–3.

Vehicle descriptor section
XX4EX

Deterministic · VIN positions 4–8.

Check digit
X · valid

Deterministic · position 9; calculated value X.

Model year candidates
1988 or 2018

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

North American serial sequence
485886

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
PETERBILT

Prefix basis · 763 decoded VINs at 100.0% prefix purity.

Model
389

Prefix basis · 763 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
2018

Observed directly for this VIN via NHTSA vPIC.

Observed make
PETERBILT

Observed directly for this VIN via NHTSA vPIC.

Observed model
389

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Truck

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
INCOMPLETE VEHICLE

Observed directly for this VIN via NHTSA vPIC.

GVWR
Class 8: 33,001 lb and above (14,969 kg and above)

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 · Jul 25, 2023 – Aug 4, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 4, 2026NYII · Walk-around0GREGORY TRUCKING INC 1573747M553AA/NJ
Jul 14, 2026NJII · Walk-around13OOSGREGORY TRUCKING INC 1573747M553AA/NJ
Jul 6, 2026NYII · Walk-around4OOSGREGORY TRUCKING INC 1573747M553AA/NJ
Jul 6, 2026NYII · Walk-around4OOSGREGORY TRUCKING INC 1573747M553AA/NJ
Mar 31, 2026NYII · Walk-around18OOSGREGORY TRUCKING INC 1573747AZ510C/NJ
Dec 4, 2025NJIII · Driver-only0TRIPLE J'S DUMPS CORP 4335861AZ510C/NJ
Jun 19, 2024NYII · Walk-around8OOSGREGORY TRUCKING INC 1573747AZ510C/NJ
Nov 27, 2023NJII · Walk-around4GREGORY TRUCKING INC 1573747AU163G/NJ
Aug 1, 2023NJII · Walk-around4GREGORY TRUCKING INC 1573747AU163G/NJ
Jul 25, 2023NYII · Walk-around10OOSGREGORY TRUCKING INC 1573747AU163G/NJ
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
GREGORY TRUCKING INC1573747Jul 25, 2023Aug 4, 20269NJ
TRIPLE J'S DUMPS CORP4335861Dec 4, 2025Dec 4, 20251NJ
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.
M553AANJ1GREGORY TRUCKING INCJul 6, 2026Aug 4, 20264
AZ510CNJGREGORY TRUCKING INCJun 19, 2024Mar 31, 20262
AZ510CNJTRIPLE J'S DUMPS CORPDec 4, 2025Dec 4, 20251
AU163GNJGREGORY TRUCKING INCJul 25, 2023Nov 27, 20233
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 23, 2026