Equipment unit · VIN-decoded · NHTSA vPIC

2004 Peterbilt 378

1XPFDB9X24D827957 · Truck-Tractor · TRUCK
Carriers run under2
31 mo
Inspections8
all-time
OOS inspections4
of 8
First seenDec 27, 2023
OK
Last seenJul 8, 2026
TX
Inspected under 2 different carriers in 31 months
A unit that bounces between many operators can indicate slip-seating, heavy sub-haul, or double-brokering. Review the carrier timeline below for load integrity — context for human judgment, not a verdict.
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1XPFDB9X24D827957
Make
Peterbilt
Model
378
Model year
2004
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 25, 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
2 · valid

Deterministic · position 9; calculated value 2.

Model year candidates
2004 or 2034

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

North American serial sequence
827957

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
2004

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 · Dec 27, 2023 – Jul 8, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 8, 2026TXII · Walk-around6OOSADRIAN'S TRUCKING LLC 39370133MX313/OK
Jul 8, 2026TXII · Walk-around6OOSADRIAN'S TRUCKING LLC 39370133MX313/OK
May 14, 2026TXI · Full21OOSADRIAN'S TRUCKING LLC 39370133MX313/OK
Nov 21, 2025OKIII · Driver-only4ADRIAN'S TRUCKING LLC 39370133MX313/OK
Nov 6, 2025TXII · Walk-around19ADRIAN'S TRUCKING LLC 39370133MX313/OK
Sep 28, 2024OKIII · Driver-only2OOSANTONIO BARRIENTOS 14479243KJ242/OK
Jan 2, 2024OKII · Walk-around1ANTONIO BARRIENTOS 1447924728698/OK
Dec 27, 2023OKIII · Driver-only2ANTONIO BARRIENTOS 1447924728698/OK
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ADRIAN'S TRUCKING LLC3937013Nov 6, 2025Jul 8, 20265TX
ANTONIO BARRIENTOS1447924Dec 27, 2023Sep 28, 20243OK
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.
3MX313OK1ADRIAN'S TRUCKING LLCNov 6, 2025Jul 8, 20265
3KJ242OKANTONIO BARRIENTOSSep 28, 2024Sep 28, 20241
728698OKANTONIO BARRIENTOSDec 27, 2023Jan 2, 20242
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 25, 2026