Equipment unit · VIN-decoded · NHTSA vPIC

2017 Peterbilt 579

1XPBD49X0HD392890 · Truck-Tractor · TRUCK
Carriers run under2
34 mo
Inspections6
all-time
OOS inspections3
of 6
First seenOct 8, 2023
NM
Last seenAug 26, 2026
US
Inspected under 2 different carriers in 34 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
1XPBD49X0HD392890
Make
Peterbilt
Model
579
Model year
2017
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 28, 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
0 · valid

Deterministic · position 9; calculated value 0.

Model year candidates
1987 or 2017

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

North American serial sequence
392890

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.

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 · Oct 8, 2023 – Aug 26, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 26, 2026USII · Walk-around2OOSLEGNA TRUCKING LLC 4578627R686979/TX
Jul 11, 2024TXII · Walk-around0—MICAR EXPRESS LLC 3042983R686979/TX
May 29, 2024TXI · Full9OOSMICAR EXPRESS LLC 3042983R686979/TX
May 21, 2024TXII · Walk-around3—MICAR EXPRESS LLC 3042983R686979/TX
Dec 4, 2023ILIII · Driver-only0—MICAR EXPRESS LLC 3042983R686979/TX
Oct 8, 2023NMII · Walk-around2OOSMICAR EXPRESS LLC 3042983R686979/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
LEGNA TRUCKING LLC4578627Aug 26, 2026Aug 26, 20261TX
MICAR EXPRESS LLC3042983Oct 8, 2023Jul 11, 20245TX
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.
R686979TX1LEGNA TRUCKING LLCAug 26, 2026 → Aug 26, 20261
R686979TX—MICAR EXPRESS LLCOct 8, 2023 → Jul 11, 20245
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 28, 2026