Equipment unit · VIN-decoded · NHTSA vPIC

1998 Peterbilt 379

1XP5DB9X1WN450045 · Truck-Tractor · TRUCK
Carriers run under3
26 mo
Inspections3
all-time
OOS inspections0
of 3
First seenAug 8, 2023
TX
Last seenOct 14, 2025
TX
Inspected under 3 different carriers in 26 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
1XP5DB9X1WN450045
Make
Peterbilt
Model
379
Model year
1998
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jul 28, 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
1998 or 2028

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

North American serial sequence
450045

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.

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
1998

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 8, 2023 – Oct 14, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Oct 14, 2025TXII · Walk-around161 TRANSPORT LLC 1823683R754931/TX
May 20, 2024KSIII · Driver-only0MARTIN TRUCKING INC 266598244932/KS
Aug 8, 2023TXIII · Driver-only0JQZ ENTERPRISE LLC 2965693R678723/TX
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
61 TRANSPORT LLC1823683Oct 14, 2025Oct 14, 20251TX
MARTIN TRUCKING INC266598May 20, 2024May 20, 20241KS
JQZ ENTERPRISE LLC2965693Aug 8, 2023Aug 8, 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.
R754931TX61 TRANSPORT LLCOct 14, 2025Oct 14, 20251
244932KSMARTIN TRUCKING INCMay 20, 2024May 20, 20241
R678723TXJQZ ENTERPRISE LLCAug 8, 2023Aug 8, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 28, 2026