Equipment unit · VIN-decoded · NHTSA vPIC

2022 Peterbilt 579

1XPBDP9X4ND789984 · Truck-Tractor · TRUCK
Carriers run under2
35 mo
Inspections7
all-time
OOS inspections1
of 7
First seenAug 7, 2023
MD
Last seenJul 22, 2026
GA
Inspected under 2 different carriers in 35 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
1XPBDP9X4ND789984
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 29, 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
BDP9X

Deterministic · VIN positions 4–8.

Check digit
4 · valid

Deterministic · position 9; calculated value 4.

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
789984

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 · 21,366 decoded VINs at 100.0% prefix purity.

Model
579

Prefix basis · 21,366 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 · Aug 7, 2023 – Jul 22, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 22, 2026GAIII · Driver-only3MERCURY TRANSPORTATION INC 1356546DF62KP/FL
Jul 21, 2026SCIII · Driver-only1MERCURY TRANSPORTATION INC 1356546DF62KP/FL
Jun 19, 2026GAIII · Driver-only9MERCURY TRANSPORTATION INC 1356546DF62KP/FL
May 3, 2025MOI · Full0HALVOR LINES INC 7525035711Z/WI
Jan 28, 2025MNI · Full4OOSHALVOR LINES INC 7525035711Z/WI
Mar 12, 2024CAI · Full3HALVOR LINES INC 7525035711Z/WI
Aug 7, 2023MDII · Walk-around0HALVOR LINES INC 75250357117/WI
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
MERCURY TRANSPORTATION INC1356546Jun 19, 2026Jul 22, 20263NJ
HALVOR LINES INC75250Aug 7, 2023May 3, 20254WI
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.
DF62KPFL1MERCURY TRANSPORTATION INCJun 19, 2026Jul 22, 20263
35711ZWIHALVOR LINES INCMar 12, 2024May 3, 20253
357117WIHALVOR LINES INCAug 7, 2023Aug 7, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 29, 2026