Equipment unit · VIN-decoded · NHTSA vPIC

1997 Peterbilt 378

1XPFDB9X8VD442467 · Truck-Tractor · TRUCK
Carriers run under1
29 mo
Inspections3
all-time
OOS inspections1
of 3
First seenJan 29, 2024
CO
Last seenJun 1, 2026
CO
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1XPFDB9X8VD442467
Make
Peterbilt
Model
378
Model year
1997
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Aug 1, 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
1XP

Deterministic · VIN positions 1–3.

Vehicle descriptor section
FDB9X

Deterministic · VIN positions 4–8.

Check digit
8 · valid

Deterministic · position 9; calculated value 8.

Model year candidates
1997 or 2027

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

North American serial sequence
442467

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 · 524 decoded VINs at 100.0% prefix purity.

Model
378

Prefix basis · 524 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
1997

Observed directly for this VIN via NHTSA vPIC.

Observed make
PETERBILT

Observed directly for this VIN via NHTSA vPIC.

Observed model
378

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Truck-Tractor

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
TRUCK

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 · Jan 29, 2024 – Jun 1, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 1, 2026COII · Walk-around2ARTHUR ROLLOFF INC 2088516IRJ9185/NM
May 29, 2026COIII · Driver-only1ARTHUR ROLLOFF INC 2088516IRN2458/NM
Jan 29, 2024COI · Full4OOSARTHUR ROLLOFF INC 2088516IRJ9185/NM
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ARTHUR ROLLOFF INC2088516Jan 29, 2024Jun 1, 20263NM
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.
IRJ9185NMARTHUR ROLLOFF INCJan 29, 2024Jun 1, 20262
IRN2458NMARTHUR ROLLOFF INCMay 29, 2026May 29, 20261
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Aug 1, 2026