Equipment unit · VIN-decoded · NHTSA vPIC

1996 Peterbilt 379

1XP5D69X7TN391988 · Truck-Tractor · TRUCK
Carriers run under2
34 mo
Inspections10
all-time
OOS inspections2
of 10
First seenAug 29, 2023
TX
Last seenJun 8, 2026
TX
Inspected under 2 different carriers in 34 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
1XP5D69X7TN391988
Make
Peterbilt
Model
379
Model year
1996
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 18, 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
5D69X

Deterministic · VIN positions 4–8.

Check digit
7 · valid

Deterministic · position 9; calculated value 7.

Model year candidates
1996 or 2026

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

North American serial sequence
391988

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 · 728 decoded VINs at 100.0% prefix purity.

Model
379

Prefix basis · 728 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
1996

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 29, 2023 – Jun 8, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 8, 2026TXII · Walk-around9GMZ TRANSPORTATION LLC 42809991M44221/TX
May 12, 2025TXII · Walk-around5GMZ TRANSPORTATION LLC 42809991M44221/TX
Apr 28, 2025TXII · Walk-around0GMZ TRANSPORTATION LLC 42809991M44221/TX
Mar 5, 2025TXII · Walk-around1GMZ TRANSPORTATION LLC 42809991M44221/TX
Mar 3, 2025TXII · Walk-around2GMZ TRANSPORTATION LLC 42809991M44221/TX
Jan 21, 2025TXII · Walk-around0GMZ TRANSPORTATION LLC 42809991M44221/TX
Sep 24, 2024TXII · Walk-around1OOSGMZ TRANSPORTATION LLC 42809991M44221/TX
Jan 11, 2024TXII · Walk-around6MIGUEL ANGEL GONZALEZ 2530585R493390/TX
Nov 3, 2023TXII · Walk-around1MIGUEL ANGEL GONZALEZ 2530585R493390/TX
Aug 29, 2023TXII · Walk-around1OOSMIGUEL ANGEL GONZALEZ 2530585R493390/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
GMZ TRANSPORTATION LLC4280999Sep 24, 2024Jun 8, 20267TX
MIGUEL ANGEL GONZALEZ2530585Aug 29, 2023Jan 11, 20243TX
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.
1M44221TXGMZ TRANSPORTATION LLCSep 24, 2024Jun 8, 20267
R493390TXMIGUEL ANGEL GONZALEZAug 29, 2023Jan 11, 20243
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 18, 2026