Equipment unit · VIN-decoded · NHTSA vPIC

2005 Peterbilt 379

1NP5LBEX55N873387 · Truck · INCOMPLETE VEHICLE
Carriers run under2
22 mo
Inspections3
all-time
OOS inspections2
of 3
First seenJan 11, 2024
AR
Last seenNov 19, 2025
TX
Inspected under 2 different carriers in 22 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
1NP5LBEX55N873387
Make
Peterbilt
Model
379
Model year
2005
Body class
Truck
Vehicle type
INCOMPLETE VEHICLE
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jul 26, 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
1NP

Deterministic · VIN positions 1–3.

Vehicle descriptor section
5LBEX

Deterministic · VIN positions 4–8.

Check digit
5 · valid

Deterministic · position 9; calculated value 5.

Model year candidates
2005 or 2035

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

North American serial sequence
873387

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 · 85 decoded VINs at 100.0% prefix purity.

Model
379

Prefix basis · 85 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
2005

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

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
INCOMPLETE VEHICLE

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 · Jan 11, 2024 – Nov 19, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Nov 19, 2025TXII · Walk-around3HYDROLINE LLC 2448309P256807/LA
Nov 12, 2025LAII · Walk-around8OOSSYNERGEN DRILLING LLC 3159323P256807/LA
Jan 11, 2024ARII · Walk-around2OOSSYNERGEN DRILLING LLC 3159323P256807/LA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
HYDROLINE LLC2448309Nov 19, 2025Nov 19, 20251LA
SYNERGEN DRILLING LLC3159323Jan 11, 2024Nov 12, 20252LA
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.
P256807LAHYDROLINE LLCNov 19, 2025Nov 19, 20251
P256807LASYNERGEN DRILLING LLCJan 11, 2024Nov 12, 20252
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 26, 2026