Equipment unit · VIN-decoded · NHTSA vPIC

2018 Peterbilt 579

1XPBD49X0JD459865 · Truck-Tractor · TRUCK
Carriers run under5
32 mo
Inspections8
all-time
OOS inspections3
of 8
First seenAug 20, 2023
AL
Last seenApr 15, 2026
TX
Inspected under 5 different carriers in 32 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
1XPBD49X0JD459865
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
Jun 21, 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
1988 or 2018

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

North American serial sequence
459865

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.

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
2018

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 20, 2023 – Apr 15, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 15, 2026TXII · Walk-around2OOSMD TRANSPORT LLC 3498521R739903/TX
Mar 16, 2026TXI · Full2ENTERPRISE EXPRESS SERVICES LLC 3109774R739903/TX
Jan 15, 2026TXII · Walk-around1MD TRANSPORT LLC 3498521R739903/TX
Jul 29, 2025TXI · Full5AREN TRUCKING SERVICES INC 3626799R739903/TX
Jun 29, 2025TXII · Walk-around3OOSMD TRANSPORT LLC 3498521R739903/TX
Jul 13, 2024TXII · Walk-around1MD TRANSPORT LLC 3498521R739903/TX
Mar 22, 2024TXII · Walk-around2OOSALLIANCE DRIVEAWAY SOLUTIONS INC 2372592DA55HB/MO
Aug 20, 2023ALIII · Driver-only0WAL-MART TRANSPORTATION LLC 635853GY445/OK
03

Carriers this unit has run under

5 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
MD TRANSPORT LLC3498521Jul 13, 2024Apr 15, 20264TX
ENTERPRISE EXPRESS SERVICES LLC3109774Mar 16, 2026Mar 16, 20261TX
AREN TRUCKING SERVICES INC3626799Jul 29, 2025Jul 29, 20251TX
ALLIANCE DRIVEAWAY SOLUTIONS INC2372592Mar 22, 2024Mar 22, 20241MO
WAL-MART TRANSPORTATION LLC63585Aug 20, 2023Aug 20, 20231AR
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.
R739903TXMD TRANSPORT LLCJul 13, 2024Apr 15, 20264
R739903TXENTERPRISE EXPRESS SERVICES LLCMar 16, 2026Mar 16, 20261
R739903TXAREN TRUCKING SERVICES INCJul 29, 2025Jul 29, 20251
DA55HBMOALLIANCE DRIVEAWAY SOLUTIONS INCMar 22, 2024Mar 22, 20241
3GY445OKWAL-MART TRANSPORTATION LLCAug 20, 2023Aug 20, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026