Equipment unit · VIN-decoded · NHTSA vPIC

2024 Peterbilt 389

1NPXL49X2RD643400 · Truck · INCOMPLETE VEHICLE
Carriers run under1
37 mo
Inspections6
all-time
OOS inspections2
of 6
First seenJun 30, 2023
MT
Last seenJul 21, 2026
MT
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1NPXL49X2RD643400
Make
Peterbilt
Model
389
Model year
2024
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
XL49X

Deterministic · VIN positions 4–8.

Check digit
2 · valid

Deterministic · position 9; calculated value 2.

Model year candidates
1994 or 2024

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

North American serial sequence
643400

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 · 1,328 decoded VINs at 100.0% prefix purity.

Model
389

Prefix basis · 1,328 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
2024

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 · Jun 30, 2023 – Jul 21, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 21, 2026MTII · Walk-around2OOSSIERRA MOUNTAIN TRANSPORT INC 3983150SA10986/MT
Dec 2, 2025MTII · Walk-around2OOSSIERRA MOUNTAIN TRANSPORT INC 3983150YASN213/OR
Jul 2, 2024MTIII · Driver-only2SIERRA MOUNTAIN TRANSPORT INC 3983150YASN213/OR
Nov 6, 2023MTIII · Driver-only1SIERRA MOUNTAIN TRANSPORT INC 3983150YASN213/OR
Sep 27, 2023WYII · Walk-around0SIERRA MOUNTAIN TRANSPORT INC 3983150YASN213/OR
Jun 30, 2023MTII · Walk-around0SIERRA MOUNTAIN TRANSPORT INC 3983150YASN213/CT
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SIERRA MOUNTAIN TRANSPORT INC3983150Jun 30, 2023Jul 21, 20266FL
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.
SA10986MT1SIERRA MOUNTAIN TRANSPORT INCJul 21, 2026Jul 21, 20261
YASN213ORSIERRA MOUNTAIN TRANSPORT INCSep 27, 2023Dec 2, 20254
YASN213CTSIERRA MOUNTAIN TRANSPORT INCJun 30, 2023Jun 30, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 28, 2026