Equipment unit · VIN-decoded · NHTSA vPIC

2023 Peterbilt 579

1XPBD49X0PD837188 · Truck-Tractor · TRUCK
Carriers run under1
21 mo
Inspections12
all-time
OOS inspections3
of 12
First seenDec 28, 2023
CA
Last seenSep 6, 2025
MI
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1XPBD49X0PD837188
Make
Peterbilt
Model
579
Model year
2023
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
0 · valid

Deterministic · position 9; calculated value 0.

Model year candidates
1993 or 2023

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

North American serial sequence
837188

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
2023

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 · Dec 28, 2023 – Sep 6, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Sep 6, 2025MIIII · Driver-only0LAMBHAR TRANSPORTATION INC 3248382YP65028/CA
Aug 28, 2025NVII · Walk-around3OOSLAMBHAR TRANSPORTATION INC 3248382YP65028/CA
Feb 17, 2025MOI · Full14OOSLAMBHAR TRANSPORTATION INC 3248382YP65028/CA
Dec 16, 2024AZII · Walk-around1LAMBHAR TRANSPORTATION INC 3248382YP65028/CA
Nov 26, 2024WYII · Walk-around1OOSLAMBHAR TRANSPORTATION INC 3248382YP65028/CA
Nov 7, 2024NMII · Walk-around3LAMBHAR TRANSPORTATION INC 3248382YP65028/CA
Jul 17, 2024CAI · Full5LAMBHAR TRANSPORTATION INC 3248382YP65028/CA
Jun 8, 2024CAIII · Driver-only0LAMBHAR TRANSPORTATION INC 3248382YP65028/CA
Jun 8, 2024CAIII · Driver-only0LAMBHAR TRANSPORTATION INC 3248382YP65028/CA
Mar 29, 2024NVIII · Driver-only0LAMBHAR TRANSPORTATION INC 3248382YP65028/CA
Feb 27, 2024MIII · Walk-around1LAMBHAR TRANSPORTATION INC 3248382YP65028/CA
Dec 28, 2023CAI · Full0LAMBHAR TRANSPORTATION INC 3248382YP65028/CA
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
LAMBHAR TRANSPORTATION INC3248382Dec 28, 2023Sep 6, 202512MI
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.
YP65028CALAMBHAR TRANSPORTATION INCDec 28, 2023Sep 6, 202512
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 16, 2026