Equipment unit · VIN-decoded · NHTSA vPIC

2019 Peterbilt 389

1NPXLP9XXKD630059 · Truck · INCOMPLETE VEHICLE
Carriers run under1
27 mo
Inspections5
all-time
OOS inspections0
of 5
First seenSep 27, 2023
WY
Last seenDec 31, 2025
ID
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1NPXLP9XXKD630059
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
Jun 28, 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
X · valid

Deterministic · position 9; calculated value X.

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
630059

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 · Sep 27, 2023 – Dec 31, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Dec 31, 2025IDIII · Driver-only1SIERRA MOUNTAIN TRANSPORT INC 3983150YASM053/OR
Apr 7, 2025MTII · Walk-around1SIERRA MOUNTAIN TRANSPORT INC 3983150YASM053/OR
Nov 26, 2024MTIII · Driver-only1SIERRA MOUNTAIN TRANSPORT INC 3983150YASM053/OR
May 13, 2024MTIII · Driver-only1SIERRA MOUNTAIN TRANSPORT INC 3983150YASM053/OR
Sep 27, 2023WYII · Walk-around0SIERRA MOUNTAIN TRANSPORT INC 3983150YASM053/OR
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SIERRA MOUNTAIN TRANSPORT INC3983150Sep 27, 2023Dec 31, 20255FL
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.
YASM053ORSIERRA MOUNTAIN TRANSPORT INCSep 27, 2023Dec 31, 20255
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 28, 2026