Equipment unit · VIN-decoded · NHTSA vPIC

2003 Peterbilt 379

1XP5DB9X63D804594 · Truck-Tractor · TRUCK
Carriers run under3
33 mo
Inspections3
all-time
OOS inspections0
of 3
First seenJan 11, 2024
KS
Last seenOct 27, 2026
TX
Inspected under 3 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
1XP5DB9X63D804594
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
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
5DB9X

Deterministic · VIN positions 4–8.

Check digit
6 · valid

Deterministic · position 9; calculated value 6.

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
804594

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 11, 2024 – Oct 27, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Oct 27, 2026TXII · Walk-around6—MOBLEY CONSTRUCTION LLC 33863951M71796/TX
Aug 29, 2025TXII · Walk-around5—ASPHALT TRANSPORT INC 7281661M71796/TX
Jan 11, 2024KSIII · Driver-only2—TRIPLE G TRUCKING LLC 2970245178053/KS
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
MOBLEY CONSTRUCTION LLC3386395Oct 27, 2026Oct 27, 20261TX
ASPHALT TRANSPORT INC728166Aug 29, 2025Aug 29, 20251TX
TRIPLE G TRUCKING LLC2970245Jan 11, 2024Jan 11, 20241KS
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.
1M71796TX1MOBLEY CONSTRUCTION LLCOct 27, 2026 → Oct 27, 20261
1M71796TX—ASPHALT TRANSPORT INCAug 29, 2025 → Aug 29, 20251
178053KS—TRIPLE G TRUCKING LLCJan 11, 2024 → Jan 11, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Sep 6, 2026