Equipment unit · VIN-decoded · NHTSA vPIC

2022 Peterbilt 579

1XPBD49X5ND789247 · Truck-Tractor · TRUCK
Carriers run under2
33 mo
Inspections8
all-time
OOS inspections2
of 8
First seenJul 21, 2023
NC
Last seenApr 21, 2026
TN
Inspected under 2 different carriers in 33 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
1XPBD49X5ND789247
Make
Peterbilt
Model
579
Model year
2022
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
BD49X

Deterministic · VIN positions 4–8.

Check digit
5 · valid

Deterministic · position 9; calculated value 5.

Model year candidates
1992 or 2022

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

North American serial sequence
789247

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 · 26,166 decoded VINs at 100.0% prefix purity.

Model
579

Prefix basis · 26,166 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
2022

Observed directly for this VIN via NHTSA vPIC.

Observed make
PETERBILT

Observed directly for this VIN via NHTSA vPIC.

Observed model
579

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 21, 2023 – Apr 21, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 21, 2026TNI · Full1POLK EXPRESS INC 3018837VW5839/NC
Mar 4, 2026TXI · Full4POLK EXPRESS INC 3018837VW5839/NC
Feb 7, 2026MSIII · Driver-only0POLK EXPRESS INC 3018837VW5839/NC
Nov 4, 2025TXII · Walk-around2AMBUFREIGHT INC 3286036VV7600/NC
Oct 13, 2025MSI · Full0AMBUFREIGHT INC 3286036R707135/TX
Feb 13, 2024WYI · Full0AMBUFREIGHT INC 3286036R707135/TX
Sep 6, 2023NYII · Walk-around1OOSPOLK EXPRESS INC 3018837TD3405/NC
Jul 21, 2023NCII · Walk-around1OOSPOLK EXPRESS INC 3018837TD3405/NC
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
POLK EXPRESS INC3018837Jul 21, 2023Apr 21, 20265NC
AMBUFREIGHT INC3286036Feb 13, 2024Nov 4, 20253TX
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.
VW5839NCPOLK EXPRESS INCFeb 7, 2026Apr 21, 20263
VV7600NCAMBUFREIGHT INCNov 4, 2025Nov 4, 20251
R707135TXAMBUFREIGHT INCFeb 13, 2024Oct 13, 20252
TD3405NCPOLK EXPRESS INCJul 21, 2023Sep 6, 20232
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026