Equipment unit · VIN-decoded · NHTSA vPIC

2014 Peterbilt 389

1NPXD49X3ED233504 · Truck-Tractor · INCOMPLETE VEHICLE
Carriers run under2
23 mo
Inspections9
all-time
OOS inspections2
of 9
First seenSep 25, 2023
OR
Last seenAug 30, 2025
CA
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
1NPXD49X3ED233504
Make
Peterbilt
Model
389
Model year
2014
Body class
Truck-Tractor
Vehicle type
INCOMPLETE VEHICLE
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 20, 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
XD49X

Deterministic · VIN positions 4–8.

Check digit
3 · valid

Deterministic · position 9; calculated value 3.

Model year candidates
1984 or 2014

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

North American serial sequence
233504

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 · 1,241 decoded VINs at 100.0% prefix purity.

Model
389

Prefix basis · 1,241 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
2014

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-Tractor

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 · Sep 25, 2023 – Aug 30, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 30, 2025CAII · Walk-around0ISAAC JR TRANSPORT LLC 4094730ZP59345/CA
Jan 13, 2025CAI · Full0OROPEZA BROTHERS TRUCKING INC 1408958WP29018/CA
Jan 7, 2025CAI · Full1OOSOROPEZA BROTHERS TRUCKING INC 1408958WP29018/CA
May 18, 2024CAII · Walk-around1OROPEZA BROTHERS TRUCKING INC 1408958WP29018/CA
Mar 14, 2024CAI · Full2OROPEZA BROTHERS TRUCKING INC 1408958WP29018/CA
Oct 13, 2023CAIII · Driver-only0OROPEZA BROTHERS TRUCKING INC 1408958WP29018/CA
Sep 27, 2023CAI · Full0OROPEZA BROTHERS TRUCKING INC 1408958WP29018/CA
Sep 27, 2023CAI · Full3OOSOROPEZA BROTHERS TRUCKING INC 1408958WP29018/CA
Sep 25, 2023ORIII · Driver-only3OROPEZA BROTHERS TRUCKING INC 1408958WP29018/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ISAAC JR TRANSPORT LLC4094730Aug 30, 2025Aug 30, 20251CA
OROPEZA BROTHERS TRUCKING INC1408958Sep 25, 2023Jan 13, 20258CA
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.
ZP59345CAISAAC JR TRANSPORT LLCAug 30, 2025Aug 30, 20251
WP29018CAOROPEZA BROTHERS TRUCKING INCSep 25, 2023Jan 13, 20258
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 20, 2026