Equipment unit · VIN-decoded · NHTSA vPIC

2019 Peterbilt 389

1NPXLP9X6KD269994 · Truck · INCOMPLETE VEHICLE
Carriers run under2
10 mo
Inspections4
all-time
OOS inspections1
of 4
First seenNov 22, 2023
SD
Last seenSep 27, 2024
NM
Inspected under 2 different carriers in 10 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
1NPXLP9X6KD269994
Make
Peterbilt
Model
389
Model year
2019
Body class
Truck
Vehicle type
INCOMPLETE VEHICLE
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jul 7, 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
XLP9X

Deterministic · VIN positions 4–8.

Check digit
6 · valid

Deterministic · position 9; calculated value 6.

Model year candidates
1989 or 2019

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

North American serial sequence
269994

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 · 995 decoded VINs at 100.0% prefix purity.

Model
389

Prefix basis · 995 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
2019

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 · Nov 22, 2023 – Sep 27, 2024

DateStateLevelViol.OOSCarrier (DOT)Plate
Sep 27, 2024NMIII · Driver-only1SIERRA MOUNTAIN TRANSPORT INC 3983150YASM042/OR
Aug 20, 2024NMIII · Driver-only0SIERRA MOUNTAIN TRANSPORT INC 3983150YASM042/OR
Jul 26, 2024NMII · Walk-around3OOSSIERRA MOUNTAIN TRANSPORT INC 3983150YASM042/OR
Nov 22, 2023SDIII · Driver-only0SIERRA MOUNTAIN EXPRESS INC 365516YASM042/OR
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SIERRA MOUNTAIN TRANSPORT INC3983150Jul 26, 2024Sep 27, 20243FL
SIERRA MOUNTAIN EXPRESS INC365516Nov 22, 2023Nov 22, 20231CA
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.
YASM042ORSIERRA MOUNTAIN TRANSPORT INCJul 26, 2024Sep 27, 20243
YASM042ORSIERRA MOUNTAIN EXPRESS INCNov 22, 2023Nov 22, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 7, 2026