Equipment unit · VIN-decoded · NHTSA vPIC

2018 Peterbilt 579

1XPBDP9X3JD443337 · Truck-Tractor · TRUCK
Carriers run under2
33 mo
Inspections5
all-time
OOS inspections2
of 5
First seenSep 10, 2023
MD
Last seenJun 29, 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
1XPBDP9X3JD443337
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 4, 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
443337

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 10, 2023 – Jun 29, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 29, 2026MDII · Walk-around0—BALTIMORE TANK LINES LLC 846660353F3/MD
Jul 2, 2024MDII · Walk-around3OOSBALTIMORE TANK LINES LLC 846660353F3/MD
Jun 26, 2024MDII · Walk-around0—BALTIMORE TANK LINES LLC 846660353F3/MD
Nov 8, 2023MDII · Walk-around0—BALTIMORE TANK LINES LLC 846660353F3/MD
Sep 10, 2023MDII · Walk-around3OOSFLEET TRANSITINC 1544710353F3/MD
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
BALTIMORE TANK LINES LLC84666Nov 8, 2023Jun 29, 20264MD
FLEET TRANSITINC154471Sep 10, 2023Sep 10, 20231MD
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.
0353F3MD1BALTIMORE TANK LINES LLCNov 8, 2023 → Jun 29, 20264
0353F3MD—FLEET TRANSITINCSep 10, 2023 → Sep 10, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 4, 2026