Equipment unit · VIN-decoded · NHTSA vPIC

2006 Peterbilt 379

1XP5DB9X16N856519 · Truck-Tractor · TRUCK
Carriers run under1
30 mo
Inspections6
all-time
OOS inspections2
of 6
First seenAug 22, 2023
IA
Last seenFeb 20, 2026
NV
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1XP5DB9X16N856519
Make
Peterbilt
Model
379
Model year
2006
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 24, 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
2006 or 2036

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

North American serial sequence
856519

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 · Aug 22, 2023 – Feb 20, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Feb 20, 2026NVIII · Driver-only0—MAC TRANZ INC 3181604Z069079/UT
Oct 17, 2024MIIII · Driver-only1—MAC TRANZ INC 3181604Z069079/UT
May 16, 2024WYIII · Driver-only0—MAC TRANZ INC 3181604Z069079/UT
Feb 20, 2024IDII · Walk-around2OOSMAC TRANZ INC 3181604Z069079/UT
Jan 22, 2024WYII · Walk-around0—MAC TRANZ INC 3181604Z069079/UT
Aug 22, 2023IAIII · Driver-only2OOSMAC TRANZ INC 3181604Z069079/UT
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
MAC TRANZ INC3181604Aug 22, 2023Feb 20, 20266UT
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.
Z069079UT1MAC TRANZ INCAug 22, 2023 → Feb 20, 20266
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 24, 2026