Equipment unit · VIN-decoded · NHTSA vPIC

2019 Peterbilt 579

1XPBD49X4KD262456 · Truck-Tractor · TRUCK
Carriers run under2
20 mo
Inspections12
all-time
OOS inspections2
of 12
First seenJul 16, 2024
NM
Last seenMar 20, 2026
UT
Inspected under 2 different carriers in 20 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
1XPBD49X4KD262456
Make
Peterbilt
Model
579
Model year
2019
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 17, 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
4 · valid

Deterministic · position 9; calculated value 4.

Model year candidates
1989 or 2019

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

North American serial sequence
262456

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
2019

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 · Jul 16, 2024 – Mar 20, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 20, 2026UTI · Full3SSL TRUCKING INC 3927167AM55115/AZ
Jan 10, 2026ARIII · Driver-only0MARTINEZ PREMIER TRUCKING LLC 3592713AM55115/AZ
Sep 4, 2025KSII · Walk-around1MARTINEZ PREMIER TRUCKING LLC 3592713AM55115/AZ
Aug 26, 2025KSII · Walk-around0MARTINEZ PREMIER TRUCKING LLC 3592713AM55115/AZ
Aug 25, 2025NMI · Full3OOSMARTINEZ PREMIER TRUCKING LLC 3592713AM55115/AZ
Jun 7, 2025ARIII · Driver-only2MARTINEZ PREMIER TRUCKING LLC 3592713AM55115/AZ
Mar 25, 2025KSII · Walk-around1MARTINEZ PREMIER TRUCKING LLC 3592713AM55115/AZ
Mar 17, 2025TNIII · Driver-only1MARTINEZ PREMIER TRUCKING LLC 3592713AM55115/UK
Feb 7, 2025ALI · Full1OOSMARTINEZ PREMIER TRUCKING LLC 3592713AM55115/AZ
Jan 11, 2025NMIII · Driver-only1MARTINEZ PREMIER TRUCKING LLC 3592713AM55115/AZ
Sep 18, 2024MTIII · Driver-only0MARTINEZ PREMIER TRUCKING LLC 3592713AM55115/AZ
Jul 16, 2024NMII · Walk-around1MARTINEZ PREMIER TRUCKING LLC 3592713AM55115/AZ
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SSL TRUCKING INC3927167Mar 20, 2026Mar 20, 20261OH
MARTINEZ PREMIER TRUCKING LLC3592713Jul 16, 2024Jan 10, 202611AZ
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.
AM55115AZSSL TRUCKING INCMar 20, 2026Mar 20, 20261
AM55115AZMARTINEZ PREMIER TRUCKING LLCJul 16, 2024Jan 10, 202610
AM55115UKMARTINEZ PREMIER TRUCKING LLCMar 17, 2025Mar 17, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 17, 2026