Equipment unit · VIN-decoded · NHTSA vPIC

2018 Peterbilt 579

1XPBDP9X3JD461739 · Truck-Tractor · TRUCK
Carriers run under2
35 mo
Inspections3
all-time
OOS inspections1
of 3
First seenSep 2, 2023
AL
Last seenAug 22, 2026
MS
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
1XPBDP9X3JD461739
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
Aug 27, 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
3 · valid

Deterministic · position 9; calculated value 3.

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
461739

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.

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 · Sep 2, 2023 – Aug 22, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 22, 2026MSIII · Driver-only0—ROAD MONTERS TRANS LLC 4495055R828772/TX
Apr 19, 2024FLIII · Driver-only3—BLACKRIDGE OPERATING LLC 3077708R700471/TX
Sep 2, 2023ALII · Walk-around6OOSBLACKRIDGE OPERATING LLC 3077708R666015/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ROAD MONTERS TRANS LLC4495055Aug 22, 2026Aug 22, 20261PA
BLACKRIDGE OPERATING LLC3077708Sep 2, 2023Apr 19, 20242TX
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.
R828772TX1ROAD MONTERS TRANS LLCAug 22, 2026 → Aug 22, 20261
R700471TX—BLACKRIDGE OPERATING LLCApr 19, 2024 → Apr 19, 20241
R666015TX—BLACKRIDGE OPERATING LLCSep 2, 2023 → Sep 2, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Aug 27, 2026