Equipment unit · VIN-decoded · NHTSA vPIC

2017 Peterbilt 579

1XPBD49XXHD415124 · Truck-Tractor · TRUCK
Carriers run under3
32 mo
Inspections18
all-time
OOS inspections3
of 18
First seenSep 11, 2023
AZ
Last seenMay 22, 2026
CA
Inspected under 3 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
1XPBD49XXHD415124
Make
Peterbilt
Model
579
Model year
2017
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 14, 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
X · valid

Deterministic · position 9; calculated value X.

Model year candidates
1987 or 2017

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

North American serial sequence
415124

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
2017

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 · Sep 11, 2023 – May 22, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 22, 2026CAI · Full0L & B TRANSPORTATION LLC 2644139ZP48563/CA
May 22, 2026CAI · Full10OOSL & B TRANSPORTATION LLC 2644139ZP48563/CA
Apr 9, 2026CAII · Walk-around5OOSL & B TRANSPORTATION LLC 2644139ZP48563/CA
Mar 20, 2026CAII · Walk-around1LOBA TRANSPORTATION INC 4108515ZP48563/CA
Feb 4, 2026USI · Full10OOSLOBA TRANSPORTATION INC 4108515ZP48563/CA
Jan 24, 2026CAI · Full1LOBA TRANSPORTATION INC 4108515ZP48563/CA
Jan 6, 2026CAI · Full4LOBA TRANSPORTATION INC 4108515ZP48563/CA
Oct 14, 2025AZII · Walk-around1LOBA TRANSPORTATION INC 4108515ZP48563/CA
Sep 12, 2025CAIII · Driver-only0LOBA TRANSPORTATION INC 4108515ZP48563/CA
Jul 10, 2025CAII · Walk-around1LOBA TRANSPORTATION INC 4108515ZP48563/CA
Jun 24, 2025CAII · Walk-around0LOBA TRANSPORTATION INC 4108515ZP48563/CA
May 22, 2025CAII · Walk-around0LOBA TRANSPORTATION INC 4108515ZP48563/CA
Apr 30, 2025CAII · Walk-around2LOBA TRANSPORTATION INC 4108515ZP48563/CA
Jan 10, 2025CAIII · Driver-only1LOBA TRANSPORTATION INC 4108515ZP46118/CA
Nov 26, 2024CAIII · Driver-only0LOBA TRANSPORTATION INC 4108515ZP46118/CA
Nov 22, 2024CAI · Full5LOBA TRANSPORTATION INC 4108515ZP46118/CA
Nov 20, 2024CAIII · Driver-only1LOBA TRANSPORTATION INC 4108515ZP46118/CA
Sep 11, 2023AZIII · Driver-only0KINGS COMMERCIAL CARRIER LLC 3409675AL26730/AZ
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
L & B TRANSPORTATION LLC2644139Apr 9, 2026May 22, 20263CA
LOBA TRANSPORTATION INC4108515Nov 20, 2024Mar 20, 202614CA
KINGS COMMERCIAL CARRIER LLC3409675Sep 11, 2023Sep 11, 20231AZ
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.
ZP48563CAL & B TRANSPORTATION LLCApr 9, 2026May 22, 20263
ZP48563CALOBA TRANSPORTATION INCApr 30, 2025Mar 20, 202610
ZP46118CALOBA TRANSPORTATION INCNov 20, 2024Jan 10, 20254
AL26730AZKINGS COMMERCIAL CARRIER LLCSep 11, 2023Sep 11, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 14, 2026