Equipment unit · VIN-decoded · NHTSA vPIC

2017 Peterbilt 579

1XPBDP9X5HD413962 · Truck-Tractor · TRUCK
Carriers run under2
35 mo
Inspections6
all-time
OOS inspections0
of 6
First seenAug 10, 2023
CA
Last seenJul 22, 2026
CA
Inspected under 2 different carriers in 35 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
1XPBDP9X5HD413962
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
Jul 12, 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
BDP9X

Deterministic · VIN positions 4–8.

Check digit
5 · valid

Deterministic · position 9; calculated value 5.

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
413962

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 · 21,366 decoded VINs at 100.0% prefix purity.

Model
579

Prefix basis · 21,366 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 · Aug 10, 2023 – Jul 22, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 22, 2026CAI · Full0J NUTTER CONSTRUCTION LLC 672197ZP60036/CA
Jul 18, 2026CAI · Full0XTLI XTREME TRUCK LINES INC 1857375ZP60036/CA
Apr 24, 2026AZII · Walk-around11XTLI XTREME TRUCK LINES INC 1857375ZP60036/CA
Nov 11, 2025CAI · Full0XTLI XTREME TRUCK LINES INC 1857375ZP60036/CA
Apr 16, 2025AZI · Full0XTLI XTREME TRUCK LINES INC 1857375ZP27269/CA
Aug 10, 2023CAI · Full0XTLI XTREME TRUCK LINES INC 18573759G85931/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
J NUTTER CONSTRUCTION LLC672197Jul 22, 2026Jul 22, 20261NH
XTLI XTREME TRUCK LINES INC1857375Aug 10, 2023Jul 18, 20265CA
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.
ZP60036CA1J NUTTER CONSTRUCTION LLCJul 22, 2026Jul 22, 20261
ZP60036CA1XTLI XTREME TRUCK LINES INCNov 11, 2025Jul 18, 20263
ZP27269CAXTLI XTREME TRUCK LINES INCApr 16, 2025Apr 16, 20251
9G85931CAXTLI XTREME TRUCK LINES INCAug 10, 2023Aug 10, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 12, 2026