Equipment unit · VIN-decoded · NHTSA vPIC

2023 Peterbilt 389

1NPXD49XXPD871042 · Truck-Tractor · INCOMPLETE VEHICLE
Carriers run under3
29 mo
Inspections8
all-time
OOS inspections1
of 8
First seenAug 17, 2023
MO
Last seenJan 5, 2026
CA
Inspected under 3 different carriers in 29 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
1NPXD49XXPD871042
Make
Peterbilt
Model
389
Model year
2023
Body class
Truck-Tractor
Vehicle type
INCOMPLETE VEHICLE
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 21, 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
X · valid

Deterministic · position 9; calculated value X.

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
871042

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
2023

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 · Aug 17, 2023 – Jan 5, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jan 5, 2026CAIII · Driver-only1BYWAY CARRIERS INC 3074946PB21486/ON
Dec 22, 2025IAIII · Driver-only1BYWAY CARRIERS INC 3074946PB21486/OT
Oct 24, 2025MII · Full2BYWAY CARRIERS INC 3074946PB21486/ON
Jun 5, 2025MIIII · Driver-only1BYWAY CARRIERS INC 3074946PB21486/ON
Jun 3, 2025MNII · Walk-around1BYWAY CARRIERS INC 3074946PB21486/ON
Dec 16, 2024MNIII · Driver-only3OOS8342687 CANADA INC 3188869OCF956/AB
Feb 6, 2024MOIII · Driver-only1X TRANSPORT INC 2797313PA62071/ON
Aug 17, 2023MOI · Full1X TRANSPORT INC 2797313PA62071/ON
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
BYWAY CARRIERS INC3074946Jun 3, 2025Jan 5, 20265ON
8342687 CANADA INC3188869Dec 16, 2024Dec 16, 20241AB
X TRANSPORT INC2797313Aug 17, 2023Feb 6, 20242ON
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.
PB21486ONBYWAY CARRIERS INCJun 3, 2025Jan 5, 20264
PB21486OTBYWAY CARRIERS INCDec 22, 2025Dec 22, 20251
OCF956AB8342687 CANADA INCDec 16, 2024Dec 16, 20241
PA62071ONX TRANSPORT INCAug 17, 2023Feb 6, 20242
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026