Equipment unit · VIN-decoded · NHTSA vPIC

1998 Peterbilt 379

1XP5D69X7WN447710 · Truck-Tractor · TRUCK
Carriers run under2
16 mo
Inspections4
all-time
OOS inspections0
of 4
First seenFeb 20, 2025
CO
Last seenJun 2, 2026
WY
Inspected under 2 different carriers in 16 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
1XP5D69X7WN447710
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 11, 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
1998 or 2028

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

North American serial sequence
447710

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
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 · Feb 20, 2025 – Jun 2, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 2, 2026WYIII · Driver-only0BENNETT FARMS TRUCKING LLC 3640118PA34030/MT
Jun 23, 2025SDIII · Driver-only5TN1 SPECIALIZED INC 3566996RC46781/MI
Mar 19, 2025INII · Walk-around1TN1 SPECIALIZED INC 3566996RC46781/MI
Feb 20, 2025COIII · Driver-only1TN1 SPECIALIZED INC 3566996RC46781/MI
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
BENNETT FARMS TRUCKING LLC3640118Jun 2, 2026Jun 2, 20261MT
TN1 SPECIALIZED INC3566996Feb 20, 2025Jun 23, 20253MI
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.
PA34030MTBENNETT FARMS TRUCKING LLCJun 2, 2026Jun 2, 20261
RC46781MITN1 SPECIALIZED INCFeb 20, 2025Jun 23, 20253
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 11, 2026