Equipment unit · VIN-decoded · NHTSA vPIC

2005 Peterbilt 379

1XP5DU9XX5N838353 · Truck-Tractor · TRUCK
Carriers run under2
40 mo
Inspections3
all-time
OOS inspections0
of 3
First seenJun 21, 2023
UT
Last seenOct 8, 2026
TX
Inspected under 2 different carriers in 40 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
1XP5DU9XX5N838353
Make
Peterbilt
Model
379
Model year
2005
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Sep 6, 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
5DU9X

Deterministic · VIN positions 4–8.

Check digit
X · valid

Deterministic · position 9; calculated value X.

Model year candidates
2005 or 2035

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

North American serial sequence
838353

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 · 492 decoded VINs at 100.0% prefix purity.

Model
379

Prefix basis · 492 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 · Jun 21, 2023 – Oct 8, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Oct 8, 2026TXII · Walk-around2—JB PIPE LLC 1635220R832824/TX
Sep 22, 2023GAIII · Driver-only2—JOHN P FRIESEN 1328127R605228/TX
Jun 21, 2023UTII · Walk-around6—JOHN P FRIESEN 1328127R605228/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
JB PIPE LLC1635220Oct 8, 2026Oct 8, 20261TX
JOHN P FRIESEN1328127Jun 21, 2023Sep 22, 20232TX
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.
R832824TX1JB PIPE LLCOct 8, 2026 → Oct 8, 20261
R605228TX—JOHN P FRIESENJun 21, 2023 → Sep 22, 20232
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Sep 6, 2026