Equipment unit · VIN-decoded · NHTSA vPIC

1996 Peterbilt 379

1XP5DE9X8TD387772 · Truck-Tractor · TRUCK
Carriers run under2
24 mo
Inspections7
all-time
OOS inspections2
of 7
First seenFeb 7, 2024
TX
Last seenFeb 18, 2026
TX
Inspected under 2 different carriers in 24 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
1XP5DE9X8TD387772
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 21, 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
5DE9X

Deterministic · VIN positions 4–8.

Check digit
8 · valid

Deterministic · position 9; calculated value 8.

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
387772

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 · 8 decoded VINs at 100.0% prefix purity.

Model
379

Prefix basis · 8 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 · Feb 7, 2024 – Feb 18, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Feb 18, 2026TXI · Full11OOSALEXANDER MARTINEZ TARRAGO 29187231N61670/TX
Aug 26, 2025TXI · Full0ALEXANDER MARTINEZ TARRAGO 29187231N61670/TX
Jul 29, 2025TXII · Walk-around2ALEXANDER MARTINEZ TARRAGO 29187231N61670/TX
Oct 17, 2024TXII · Walk-around1ALEXANDER MARTINEZ TARRAGO 29187231L37115/TX
Sep 30, 2024TXII · Walk-around0ALEXANDER MARTINEZ TARRAGO 29187231L37115/TX
May 29, 2024TXII · Walk-around3EXPRESS GRAVEL SERVICE LLC 27812681L37115/TX
Feb 7, 2024TXII · Walk-around3OOSEXPRESS GRAVEL SERVICE LLC 27812681L37115/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ALEXANDER MARTINEZ TARRAGO2918723Sep 30, 2024Feb 18, 20265TX
EXPRESS GRAVEL SERVICE LLC2781268Feb 7, 2024May 29, 20242TX
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.
1N61670TXALEXANDER MARTINEZ TARRAGOJul 29, 2025Feb 18, 20263
1L37115TXALEXANDER MARTINEZ TARRAGOSep 30, 2024Oct 17, 20242
1L37115TXEXPRESS GRAVEL SERVICE LLCFeb 7, 2024May 29, 20242
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026