Equipment unit · VIN-decoded · NHTSA vPIC

2003 Peterbilt 379

1XP5DB9X83D806458 · Truck-Tractor · TRUCK
Carriers run under2
33 mo
Inspections17
all-time
OOS inspections14
of 17
First seenJul 12, 2023
WA
Last seenApr 7, 2026
WA
Inspected under 2 different carriers in 33 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
1XP5DB9X83D806458
Make
Peterbilt
Model
379
Model year
2003
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 14, 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
8 · valid

Deterministic · position 9; calculated value 8.

Model year candidates
2003 or 2033

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

North American serial sequence
806458

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
2003

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 · Jul 12, 2023 – Apr 7, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 7, 2026WAII · Walk-around4OOSC-LINE TRUCKING LLC 4515364D96017J/WA
Dec 4, 2025WAI · Full14OOSZUNIGAS TRUCKING LLC 3718989RP06351/WA
Sep 12, 2025IDII · Walk-around6OOSZUNIGAS TRUCKING LLC 3718989RP06351/WA
Jun 6, 2025WAIII · Driver-only3OOSZUNIGAS TRUCKING LLC 3718989RP06351/WA
Feb 27, 2025WAIII · Driver-only5OOSZUNIGAS TRUCKING LLC 3718989RP06351/WA
Feb 25, 2025ORIII · Driver-only2OOSZUNIGAS TRUCKING LLC 3718989RP06351/WA
Dec 3, 2024IDII · Walk-around7ZUNIGAS TRUCKING LLC 3718989RP06351/WA
Sep 4, 2024ORI · Full13OOSZUNIGAS TRUCKING LLC 3718989RP06351/WA
Aug 29, 2024WAI · Full24OOSZUNIGAS TRUCKING LLC 3718989RP06351/WA
Jun 24, 2024WAII · Walk-around2OOSZUNIGAS TRUCKING LLC 3718989RP06351/WA
Jun 17, 2024WAII · Walk-around2OOSZUNIGAS TRUCKING LLC 3718989RP063051/WA
Mar 4, 2024WAII · Walk-around9OOSZUNIGAS TRUCKING LLC 3718989RP06351/WA
Feb 6, 2024ORII · Walk-around1OOSZUNIGAS TRUCKING LLC 3718989RP06351/WA
Jan 10, 2024ORII · Walk-around7OOSZUNIGAS TRUCKING LLC 3718989RP06351/WA
Nov 9, 2023WAII · Walk-around2ZUNIGAS TRUCKING LLC 3718989RP06351/WA
Aug 16, 2023ORI · Full27OOSZUNIGAS TRUCKING LLC 3718989RP06351/WA
Jul 12, 2023WAIII · Driver-only2ZUNIGAS TRUCKING LLC 3718989RP06351/WA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
C-LINE TRUCKING LLC4515364Apr 7, 2026Apr 7, 20261WA
ZUNIGAS TRUCKING LLC3718989Jul 12, 2023Dec 4, 202516WA
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.
D96017JWAC-LINE TRUCKING LLCApr 7, 2026Apr 7, 20261
RP06351WAZUNIGAS TRUCKING LLCJul 12, 2023Dec 4, 202515
RP063051WAZUNIGAS TRUCKING LLCJun 17, 2024Jun 17, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 14, 2026