Equipment unit · VIN-decoded · NHTSA vPIC

2019 Peterbilt 579

1XPBD49X3KD606472 · Truck-Tractor · TRUCK
Carriers run under3
34 mo
Inspections12
all-time
OOS inspections2
of 12
First seenJul 21, 2023
CA
Last seenMay 8, 2026
CA
Inspected under 3 different carriers in 34 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
1XPBD49X3KD606472
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 16, 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
3 · valid

Deterministic · position 9; calculated value 3.

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
606472

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 21, 2023 – May 8, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 8, 2026CAI · Full0DHALIWAL TRANZ INC 3639833ZP22606/CA
Feb 24, 2026CAII · Walk-around1OOSDHALIWAL TRANZ INC 3639833ZP22606/CA
May 14, 2025CAII · Walk-around0DHALIWAL TRANZ INC 3639833ZP22606/CA
Feb 5, 2025CAII · Walk-around1DHALIWAL TRANZ INC 3639833ZP22606/CA
Jan 13, 2025NMII · Walk-around0DHALIWAL TRANZ INC 3639833ZP22606/CA
Dec 5, 2024UTIII · Driver-only0DHALIWAL TRANZ INC 3639833ZP22606/CA
Oct 28, 2024CAI · Full0DHALIWAL TRANZ INC 3639833ZP22606/CA
Oct 2, 2024CAIII · Driver-only3DHALIWAL TRANZ INC 3639833ZP22606/CA
Aug 6, 2024NVIII · Driver-only2LONGS TRANSPORT LLC 3638933ZP22606/CA
Jan 18, 2024CAI · Full2OOSDULAY HOLDING CARRIER LLC 156824474651RP/WA
Oct 20, 2023CAI · Full0DULAY HOLDING CARRIER LLC 156824474651RP/WA
Jul 21, 2023CAI · Full0DULAY HOLDING CARRIER LLC 156824474651RP/WA
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
DHALIWAL TRANZ INC3639833Oct 2, 2024May 8, 20268CA
LONGS TRANSPORT LLC3638933Aug 6, 2024Aug 6, 20241SC
DULAY HOLDING CARRIER LLC1568244Jul 21, 2023Jan 18, 20243WA
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.
ZP22606CADHALIWAL TRANZ INCOct 2, 2024May 8, 20268
ZP22606CALONGS TRANSPORT LLCAug 6, 2024Aug 6, 20241
74651RPWADULAY HOLDING CARRIER LLCJul 21, 2023Jan 18, 20243
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 16, 2026