Equipment unit · VIN-decoded · NHTSA vPIC

2013 Peterbilt 579

1XPBDP9XXDD212147 · Truck-Tractor · TRUCK
Carriers run under2
22 mo
Inspections10
all-time
OOS inspections6
of 10
First seenAug 8, 2024
CA
Last seenJun 25, 2026
CA
Inspected under 2 different carriers in 22 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
1XPBDP9XXDD212147
Make
Peterbilt
Model
579
Model year
2013
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 19, 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
X · valid

Deterministic · position 9; calculated value X.

Model year candidates
1983 or 2013

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

North American serial sequence
212147

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
2013

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 8, 2024 – Jun 25, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 25, 2026CAIII · Driver-only4OOSJ VALENCIA TRUCKING LLC 30936359G22374/CA
Nov 21, 2025CAII · Walk-around3ACKV TRUCKING INC 34310199G22347/CA
Jul 10, 2025CAI · Full10OOSACKV TRUCKING INC 34310199G22374/CA
Jun 11, 2025CAI · Full10OOSACKV TRUCKING INC 34310199G22374/CA
Mar 27, 2025CAII · Walk-around7OOSACKV TRUCKING INC 34310199G22374/CA
Jan 27, 2025CAIII · Driver-only1ACKV TRUCKING INC 34310199G22374/CA
Nov 1, 2024CAII · Walk-around4ACKV TRUCKING INC 34310199G22374/CA
Oct 15, 2024NVII · Walk-around9OOSACKV TRUCKING INC 34310199G22374/CA
Aug 8, 2024CAI · Full8OOSACKV TRUCKING INC 34310199G22374/CA
Aug 8, 2024CAI · Full0ACKV TRUCKING INC 34310199G22374/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
J VALENCIA TRUCKING LLC3093635Jun 25, 2026Jun 25, 20261CA
ACKV TRUCKING INC3431019Aug 8, 2024Nov 21, 20259CA
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.
9G22374CA1J VALENCIA TRUCKING LLCJun 25, 2026Jun 25, 20261
9G22347CAACKV TRUCKING INCNov 21, 2025Nov 21, 20251
9G22374CAACKV TRUCKING INCAug 8, 2024Jul 10, 20258
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 19, 2026