Equipment unit · VIN-decoded · NHTSA vPIC

2019 Peterbilt 579

1XPBDP9X1KD601322 · Truck-Tractor · TRUCK
Carriers run under2
18 mo
Inspections5
all-time
OOS inspections1
of 5
First seenMar 4, 2025
UT
Last seenSep 28, 2026
CA
Inspected under 2 different carriers in 18 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
1XPBDP9X1KD601322
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
Jul 31, 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
1 · valid

Deterministic · position 9; calculated value 1.

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
601322

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.

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 · Mar 4, 2025 – Sep 28, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Sep 28, 2026CAIII · Driver-only0—4SDA LLC 3454429FP01591/CA
Sep 18, 2026CAIII · Driver-only0—4SDA LLC 3454429FP01591/CA
Oct 30, 2025UTIII · Driver-only0—MOUNTAIN ROCK INC 407854786543A/NV
Apr 11, 2025IAIII · Driver-only7OOSMOUNTAIN ROCK INC 407854786543A/NV
Mar 4, 2025UTIII · Driver-only1—MOUNTAIN ROCK INC 407854786543A/NV
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
4SDA LLC3454429Sep 18, 2026Sep 28, 20262CA
MOUNTAIN ROCK INC4078547Mar 4, 2025Oct 30, 20253NV
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.
FP01591CA14SDA LLCSep 18, 2026 → Sep 28, 20262
86543ANV—MOUNTAIN ROCK INCMar 4, 2025 → Oct 30, 20253
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 31, 2026