Equipment unit · VIN-decoded · NHTSA vPIC

2005 Peterbilt 379

1XP5DB9X25D865055 · Truck-Tractor · TRUCK
Carriers run under2
27 mo
Inspections7
all-time
OOS inspections3
of 7
First seenDec 20, 2023
WY
Last seenMar 23, 2026
WY
Inspected under 2 different carriers in 27 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
1XP5DB9X25D865055
Make
Peterbilt
Model
379
Model year
2005
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 21, 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
2 · valid

Deterministic · position 9; calculated value 2.

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
865055

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
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-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 · Dec 20, 2023 – Mar 23, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 23, 2026WYII · Walk-around3OOSYELLOW IRON WASTE LLC 4371138A25981/WY
Dec 8, 2025WYII · Walk-around1YELLOW IRON WASTE LLC 4371138A125981/WY
Dec 27, 2024WYIII · Driver-only0YELLOW IRON EXCAVATING LLC 81522922COM458/WY
Dec 12, 2024WYI · Full0YELLOW IRON EXCAVATING LLC 81522922COM458/ID
Dec 11, 2024WYIII · Driver-only0YELLOW IRON EXCAVATING LLC 81522922COM458/ID
Dec 2, 2024WYI · Full5OOSYELLOW IRON EXCAVATING LLC 81522922COM458/WY
Dec 20, 2023WYI · Full12OOSYELLOW IRON EXCAVATING LLC 81522922C0M458/WY
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
YELLOW IRON WASTE LLC4371138Dec 8, 2025Mar 23, 20262WY
YELLOW IRON EXCAVATING LLC815229Dec 20, 2023Dec 27, 20245WY
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.
A25981WYYELLOW IRON WASTE LLCMar 23, 2026Mar 23, 20261
A125981WYYELLOW IRON WASTE LLCDec 8, 2025Dec 8, 20251
22COM458WYYELLOW IRON EXCAVATING LLCDec 2, 2024Dec 27, 20242
22COM458IDYELLOW IRON EXCAVATING LLCDec 11, 2024Dec 12, 20242
22C0M458WYYELLOW IRON EXCAVATING LLCDec 20, 2023Dec 20, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026