Equipment unit · VIN-decoded · NHTSA vPIC

2006 Peterbilt 379

1XP5DB9XX6D870179 · Truck-Tractor · TRUCK
Carriers run under2
26 mo
Inspections6
all-time
OOS inspections3
of 6
First seenJul 13, 2023
TX
Last seenSep 19, 2025
TX
Inspected under 2 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
1XP5DB9XX6D870179
Make
Peterbilt
Model
379
Model year
2006
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 24, 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
X · valid

Deterministic · position 9; calculated value X.

Model year candidates
2006 or 2036

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

North American serial sequence
870179

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
2006

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 · Jul 13, 2023 – Sep 19, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Sep 19, 2025TXII · Walk-around7OOSC4 ENERGY SERVICES LLC 33189471M62449/TX
Feb 1, 2025TXII · Walk-around4OOSC4 ENERGY SERVICES LLC 33189471M62449/TX
Dec 31, 2024TXII · Walk-around4C4 ENERGY SERVICES LLC 33189471M62449/TX
Nov 15, 2024TXII · Walk-around2C4 ENERGY SERVICES LLC 33189471M62449/TX
Aug 29, 2024TXII · Walk-around2OOSC4 ENERGY SERVICES LLC 33189471M62449/TX
Jul 13, 2023TXII · Walk-around1HEARN TRUCKING LLC 944902R336307/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
C4 ENERGY SERVICES LLC3318947Aug 29, 2024Sep 19, 20255TX
HEARN TRUCKING LLC944902Jul 13, 2023Jul 13, 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.
1M62449TXC4 ENERGY SERVICES LLCAug 29, 2024Sep 19, 20255
R336307TXHEARN TRUCKING LLCJul 13, 2023Jul 13, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 24, 2026