Equipment unit · VIN-decoded · NHTSA vPIC

1996 Peterbilt 379

1XP5DR9X1TD372134 · Truck-Tractor · TRUCK
Carriers run under3
32 mo
Inspections4
all-time
OOS inspections1
of 4
First seenOct 4, 2023
TX
Last seenJun 22, 2026
TX
Inspected under 3 different carriers in 32 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
1XP5DR9X1TD372134
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
Jul 12, 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
5DR9X

Deterministic · VIN positions 4–8.

Check digit
1 · valid

Deterministic · position 9; calculated value 1.

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
372134

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 · 1,270 decoded VINs at 100.0% prefix purity.

Model
379

Prefix basis · 1,270 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 · Oct 4, 2023 – Jun 22, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 22, 2026TXII · Walk-around7OOSJUAN RAMON ALVARADO 32655161L89513/TX
Nov 21, 2025TXII · Walk-around1TITAN TRANSPORTATION LP 11444001L89513/TX
Apr 23, 2025TXII · Walk-around4TITAN TRANSPORTATION LP 11444001L89513/TX
Oct 4, 2023TXII · Walk-around7AGGREGATE HAULERS I L P 10214851L89513/TX
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
JUAN RAMON ALVARADO3265516Jun 22, 2026Jun 22, 20261TX
TITAN TRANSPORTATION LP1144400Apr 23, 2025Nov 21, 20252TX
AGGREGATE HAULERS I L P1021485Oct 4, 2023Oct 4, 20231TX
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.
1L89513TX1JUAN RAMON ALVARADOJun 22, 2026Jun 22, 20261
1L89513TXTITAN TRANSPORTATION LPApr 23, 2025Nov 21, 20252
1L89513TXAGGREGATE HAULERS I L POct 4, 2023Oct 4, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 12, 2026