Equipment unit · VIN-decoded · NHTSA vPIC

1997 Peterbilt 379

1XP5DB9X1VN434085 · Truck-Tractor · TRUCK
Carriers run under2
23 mo
Inspections6
all-time
OOS inspections4
of 6
First seenSep 11, 2023
NM
Last seenAug 6, 2025
TX
Inspected under 2 different carriers in 23 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
1XP5DB9X1VN434085
Make
Peterbilt
Model
379
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
Jun 24, 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
5DB9X

Deterministic · VIN positions 4–8.

Check digit
1 · valid

Deterministic · position 9; calculated value 1.

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
434085

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 · 13,463 decoded VINs at 100.0% prefix purity.

Model
379

Prefix basis · 13,463 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
379

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 · Sep 11, 2023 – Aug 6, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 6, 2025TXIII · Driver-only5OOSOSCAR HERNANDEZ VALVERDE 4105497DJ2791B/MX
Apr 30, 2025TXII · Walk-around9OOSOSCAR HERNANDEZ VALVERDE 4105497DJ2791B/MX
Apr 2, 2025NMII · Walk-around1OSCAR HERNANDEZ VALVERDE 4105497DJ2791B/CH
Nov 27, 2023NMII · Walk-around0OSCAR HERNANDEZ VALVERDE 4105497DJ2791B/MX
Oct 31, 2023TXII · Walk-around4OOSJORGE ARMANDO LOPEZ ECHEVERRIA 2813329DJ2791B/MX
Sep 11, 2023NMI · Full3OOSJORGE ARMANDO LOPEZ ECHEVERRIA 2813329DJ2791B/CH
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
OSCAR HERNANDEZ VALVERDE4105497Nov 27, 2023Aug 6, 20254CI
JORGE ARMANDO LOPEZ ECHEVERRIA2813329Sep 11, 2023Oct 31, 20232CI
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.
DJ2791BMXOSCAR HERNANDEZ VALVERDENov 27, 2023Aug 6, 20253
DJ2791BCHOSCAR HERNANDEZ VALVERDEApr 2, 2025Apr 2, 20251
DJ2791BMXJORGE ARMANDO LOPEZ ECHEVERRIAOct 31, 2023Oct 31, 20231
DJ2791BCHJORGE ARMANDO LOPEZ ECHEVERRIASep 11, 2023Sep 11, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 24, 2026