Equipment unit · VIN-decoded · NHTSA vPIC

2019 Peterbilt 579

1XPBD49X2KD610044 · Truck-Tractor · TRUCK
Carriers run under2
37 mo
Inspections13
all-time
OOS inspections6
of 13
First seenJun 23, 2023
CA
Last seenJul 27, 2026
CA
Inspected under 2 different carriers in 37 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
1XPBD49X2KD610044
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
2 · valid

Deterministic · position 9; calculated value 2.

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
610044

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 · Jun 23, 2023 – Jul 27, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 27, 2026CAV · Vehicle-only0WC TRANSPORT INC 1986701ZP48873/CA
Jan 7, 2026CAII · Walk-around1WC TRANSPORT INC 1986701YP00180/CA
Jan 3, 2026NMIII · Driver-only0WC TRANSPORT INC 1986701YP00180/CA
Nov 22, 2025AZII · Walk-around4OOSWC TRANSPORT INC 1986701YP00180/CA
Nov 21, 2025NMIII · Driver-only0WC TRANSPORT INC 1986701YP00180/CA
Nov 7, 2025ARIII · Driver-only2WC TRANSPORT INC 1986701YP00180/CA
Aug 1, 2025OKIII · Driver-only1OOSWC TRANSPORT INC 1986701YP00180/CA
Jun 28, 2025CAI · Full5OOSWC TRANSPORT INC 1986701YP00180/CA
Jul 30, 2024WYI · Full8OOSSO CAL EXPRESS INC 2187581YP00180/CA
Mar 6, 2024UTIII · Driver-only4OOSSO CAL EXPRESS INC 2187581YP00180/CA
Aug 10, 2023COIII · Driver-only1SO CAL EXPRESS INC 2187581YP00180/CA
Jun 23, 2023CAI · Full1OOSSO CAL EXPRESS INC 2187581YP00180/CA
Jun 23, 2023CAI · Full0SO CAL EXPRESS INC 2187581YP00180/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
WC TRANSPORT INC1986701Jun 28, 2025Jul 27, 20268CA
SO CAL EXPRESS INC2187581Jun 23, 2023Jul 30, 20245CA
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.
ZP48873CA1WC TRANSPORT INCJul 27, 2026Jul 27, 20261
YP00180CAWC TRANSPORT INCJun 28, 2025Jan 7, 20267
YP00180CASO CAL EXPRESS INCJun 23, 2023Jul 30, 20245
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 17, 2026