Equipment unit · VIN-decoded · NHTSA vPIC

2020 Peterbilt 389

1NPXL49X5LD638974 · Truck · INCOMPLETE VEHICLE
Carriers run under1
24 mo
Inspections8
all-time
OOS inspections2
of 8
First seenJul 3, 2024
AR
Last seenJul 9, 2026
LA
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1NPXL49X5LD638974
Make
Peterbilt
Model
389
Model year
2020
Body class
Truck
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
XL49X

Deterministic · VIN positions 4–8.

Check digit
5 · valid

Deterministic · position 9; calculated value 5.

Model year candidates
1990 or 2020

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

North American serial sequence
638974

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
2020

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 · Jul 3, 2024 – Jul 9, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 9, 2026LAIII · Driver-only0MWM TRANSPORT LLC 2978359P287143/LA
May 4, 2026TNI · Full3OOSMWM TRANSPORT LLC 2978359P287143/LA
Apr 15, 2026ALIII · Driver-only1MWM TRANSPORT LLC 2978359P287143/LA
Apr 1, 2026LAIII · Driver-only0MWM TRANSPORT LLC 2978359P287143/LA
Mar 27, 2026ARIII · Driver-only1MWM TRANSPORT LLC 2978359P287143/LA
Aug 21, 2025LAIII · Driver-only0MWM TRANSPORT LLC 2978359P287143/LA
Sep 17, 2024FLII · Walk-around15OOSMWM TRANSPORT LLC 2978359P287143/LA
Jul 3, 2024ARIII · Driver-only2MWM TRANSPORT LLC 2978359P287143/LA
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
MWM TRANSPORT LLC2978359Jul 3, 2024Jul 9, 20268LA
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.
P287143LA1MWM TRANSPORT LLCJul 3, 2024Jul 9, 20268
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026