Equipment unit · VIN-decoded · NHTSA vPIC

2005 Peterbilt 379

1XP5DB9X15D838378 · Truck-Tractor · TRUCK
Carriers run under2
8 mo
Inspections4
all-time
OOS inspections2
of 4
First seenAug 22, 2025
AZ
Last seenApr 22, 2026
TX
Inspected under 2 different carriers in 8 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
1XP5DB9X15D838378
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
Jul 11, 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
2005 or 2035

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

North American serial sequence
838378

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
2005

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 · Aug 22, 2025 – Apr 22, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 22, 2026TXII · Walk-around9OOSDON HAGAN & SONS INC 162738435029/NE
Jan 27, 2026AZII · Walk-around7OOSDON HAGAN & SONS INC 162738AM58526/AZ
Nov 17, 2025AZII · Walk-around6HIGH COUNTRY FREIGHT LLC 2962314AM58526/AZ
Aug 22, 2025AZII · Walk-around7HIGH COUNTRY FREIGHT LLC 2962314AM58526/AZ
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
DON HAGAN & SONS INC162738Jan 27, 2026Apr 22, 20262NE
HIGH COUNTRY FREIGHT LLC2962314Aug 22, 2025Nov 17, 20252AZ
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.
435029NEDON HAGAN & SONS INCApr 22, 2026Apr 22, 20261
AM58526AZDON HAGAN & SONS INCJan 27, 2026Jan 27, 20261
AM58526AZHIGH COUNTRY FREIGHT LLCAug 22, 2025Nov 17, 20252
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 11, 2026