Equipment unit · VIN-decoded · NHTSA vPIC

1997 Peterbilt 379

1XP5DB9X9VN433038 · Truck-Tractor · TRUCK
Carriers run under2
2 mo
Inspections3
all-time
OOS inspections0
of 3
First seenSep 20, 2023
WY
Last seenNov 16, 2023
CO
Inspected under 2 different carriers in 2 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
1XP5DB9X9VN433038
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
Jul 30, 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
9 · valid

Deterministic · position 9; calculated value 9.

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
433038

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.

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 20, 2023 – Nov 16, 2023

DateStateLevelViol.OOSCarrier (DOT)Plate
Nov 16, 2023COIII · Driver-only3—SOLIDIFY LLC 3078031Z082184/UT
Oct 12, 2023NEIII · Driver-only3—3J'S TRUCKING COMPANY LLC 2447047Z082184/UT
Sep 20, 2023WYII · Walk-around9—SOLIDIFY LLC 3078031Z082184/UT
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SOLIDIFY LLC3078031Sep 20, 2023Nov 16, 20232UT
3J'S TRUCKING COMPANY LLC2447047Oct 12, 2023Oct 12, 20231UT
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.
Z082184UT—SOLIDIFY LLCSep 20, 2023 → Nov 16, 20232
Z082184UT—3J'S TRUCKING COMPANY LLCOct 12, 2023 → Oct 12, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 30, 2026