Equipment unit · VIN-decoded · NHTSA vPIC

2007 Peterbilt 379

1XP5DB9X97D665597 · Truck-Tractor · TRUCK
Carriers run under2
21 mo
Inspections5
all-time
OOS inspections0
of 5
First seenJan 9, 2025
AZ
Last seenOct 19, 2026
IA
Inspected under 2 different carriers in 21 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
1XP5DB9X97D665597
Make
Peterbilt
Model
379
Model year
2007
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jul 12, 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
2007 or 2037

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

North American serial sequence
665597

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 · Jan 9, 2025 – Oct 19, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Oct 19, 2026IAIII · Driver-only7—JUSTIN HOFFMAN TRUCKING LLC 1101996MZ4113/IA
Feb 18, 2026CAII · Walk-around0—STYLEX FREIGHT NETWORK LLC 775828P1283172/IL
Jan 26, 2026AZII · Walk-around4—STYLEX FREIGHT NETWORK LLC 775828P1283172/IL
Mar 10, 2025CAI · Full0—STYLEX FREIGHT NETWORK LLC 775828P1283172/IL
Jan 9, 2025AZII · Walk-around1—STYLEX FREIGHT NETWORK LLC 775828AAT956905/IL
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
JUSTIN HOFFMAN TRUCKING LLC1101996Oct 19, 2026Oct 19, 20261IA
STYLEX FREIGHT NETWORK LLC775828Jan 9, 2025Feb 18, 20264IL
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.
MZ4113IA1JUSTIN HOFFMAN TRUCKING LLCOct 19, 2026 → Oct 19, 20261
P1283172IL—STYLEX FREIGHT NETWORK LLCMar 10, 2025 → Feb 18, 20263
AAT956905IL—STYLEX FREIGHT NETWORK LLCJan 9, 2025 → Jan 9, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 12, 2026