Equipment unit · VIN-decoded · NHTSA vPIC

2018 Peterbilt 389

1NPXDP9XXJD488758 · Truck-Tractor · INCOMPLETE VEHICLE
Carriers run under2
15 mo
Inspections5
all-time
OOS inspections2
of 5
First seenJun 20, 2025
AR
Last seenSep 21, 2026
NM
Inspected under 2 different carriers in 15 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
1NPXDP9XXJD488758
Make
Peterbilt
Model
389
Model year
2018
Body class
Truck-Tractor
Vehicle type
INCOMPLETE VEHICLE
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Aug 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
XDP9X

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
488758

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 · 306 decoded VINs at 100.0% prefix purity.

Model
389

Prefix basis · 306 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.

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 20, 2025 – Sep 21, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Sep 21, 2026NMI · Full3—DAVID MARTENS MARTENS 3539339R825484/TX
Aug 12, 2026TXII · Walk-around3—DAVID MARTENS MARTENS 3539339R825484/TX
Aug 12, 2026TXII · Walk-around3—DAVID MARTENS MARTENS 3539339R825484/TX
Oct 29, 2025TXII · Walk-around2OOSRDX LLC 2169442P284587/LA
Jun 20, 2025ARII · Walk-around1OOSRDX LLC 2169442P284587/LA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
DAVID MARTENS MARTENS3539339Aug 12, 2026Sep 21, 20263TX
RDX LLC2169442Jun 20, 2025Oct 29, 20252TN
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.
R825484TX1DAVID MARTENS MARTENSAug 12, 2026 → Sep 21, 20263
P284587LA—RDX LLCJun 20, 2025 → Oct 29, 20252
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Aug 23, 2026