Equipment unit · VIN-decoded · NHTSA vPIC

2022 Peterbilt 389

1NPXX4EX2ND781927 · Truck · INCOMPLETE VEHICLE
Carriers run under1
34 mo
Inspections15
all-time
OOS inspections4
of 15
First seenJun 15, 2023
MD
Last seenApr 29, 2026
MD
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1NPXX4EX2ND781927
Make
Peterbilt
Model
389
Model year
2022
Body class
Truck
Vehicle type
INCOMPLETE VEHICLE
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 14, 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
XX4EX

Deterministic · VIN positions 4–8.

Check digit
2 · valid

Deterministic · position 9; calculated value 2.

Model year candidates
1992 or 2022

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

North American serial sequence
781927

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 · 763 decoded VINs at 100.0% prefix purity.

Model
389

Prefix basis · 763 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
2022

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 15, 2023 – Apr 29, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 29, 2026MDI · Full1SHAFFER INC 3031579E65701D/MD
Apr 6, 2026MDII · Walk-around0SHAFFER INC 3031579E65710D/MD
Mar 18, 2026MDII · Walk-around1SHAFFER INC 3031579E65701D/MD
Jan 5, 2026MDII · Walk-around0SHAFFER INC 3031579E65701D/MD
Jul 8, 2025MDIII · Driver-only1SHAFFER INC 3031579E65701D/MD
Jun 26, 2025MDII · Walk-around1SHAFFER INC 3031579E65701D/MD
Jan 30, 2025MDII · Walk-around5OOSSHAFFER INC 3031579E65701D/MD
Oct 29, 2024MDII · Walk-around0SHAFFER INC 3031579E65701D/MD
Sep 13, 2024MDII · Walk-around0SHAFFER INC 3031579E64701D/MD
Jan 26, 2024MDII · Walk-around6SHAFFER INC 3031579E65701D/MD
Dec 19, 2023MDII · Walk-around1OOSSHAFFER INC 3031579E65701D/MD
Sep 29, 2023MDII · Walk-around0SHAFFER INC 3031579E65701D/MD
Jul 17, 2023MDII · Walk-around3OOSSHAFFER INC 3031579E65701D/MD
Jun 23, 2023MDIII · Driver-only0SHAFFER INC 3031579E65701D/MD
Jun 15, 2023MDII · Walk-around3OOSSHAFFER INC 3031579E65701D/MD
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SHAFFER INC3031579Jun 15, 2023Apr 29, 202615MD
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.
E65701DMDSHAFFER INCJun 15, 2023Apr 29, 202613
E65710DMDSHAFFER INCApr 6, 2026Apr 6, 20261
E64701DMDSHAFFER INCSep 13, 2024Sep 13, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 14, 2026