Equipment unit · VIN-decoded · NHTSA vPIC

2018 Peterbilt 579

1XPBA49X2JD463585 · Truck-Tractor · TRUCK
Carriers run under2
33 mo
Inspections5
all-time
OOS inspections2
of 5
First seenJan 29, 2024
CA
Last seenOct 24, 2026
MD
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
1XPBA49X2JD463585
Make
Peterbilt
Model
579
Model year
2018
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jul 12, 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
BA49X

Deterministic · VIN positions 4–8.

Check digit
2 · valid

Deterministic · position 9; calculated value 2.

Model year candidates
1988 or 2018

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

North American serial sequence
463585

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 · 69 decoded VINs at 100.0% prefix purity.

Model
579

Prefix basis · 69 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.

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 29, 2024 – Oct 24, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Oct 24, 2026MDII · Walk-around2—N1 EXPRESS LLC 362408623344PZ/VA
May 14, 2026MDII · Walk-around1OOSN1 EXPRESS LLC 362408624344PZ/VA
Mar 18, 2024TXII · Walk-around5—MAG FAMILY LLC 3510394R608321/TX
Feb 1, 2024CAIII · Driver-only1—MAG FAMILY LLC 3510394R608321/TX
Jan 29, 2024CAII · Walk-around5OOSMAG FAMILY LLC 3510394R60831/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
N1 EXPRESS LLC3624086May 14, 2026Oct 24, 20262VA
MAG FAMILY LLC3510394Jan 29, 2024Mar 18, 20243TX
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.
23344PZVA1N1 EXPRESS LLCOct 24, 2026 → Oct 24, 20261
24344PZVA—N1 EXPRESS LLCMay 14, 2026 → May 14, 20261
R608321TX—MAG FAMILY LLCFeb 1, 2024 → Mar 18, 20242
R60831TX—MAG FAMILY LLCJan 29, 2024 → Jan 29, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 12, 2026