Equipment unit · VIN-decoded · NHTSA vPIC

2023 Peterbilt 579

1XPBDP9X2PD890654 · Truck-Tractor · TRUCK
Carriers run under4
8 mo
Inspections4
all-time
OOS inspections1
of 4
First seenOct 3, 2024
CA
Last seenJun 13, 2025
NV
Inspected under 4 different carriers in 8 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
1XPBDP9X2PD890654
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
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
2 · valid

Deterministic · position 9; calculated value 2.

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
890654

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
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 · Oct 3, 2024 – Jun 13, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 13, 2025NVIII · Driver-only0A-1 TRANSPORTATION SERVICES LLC 842022Z084983/UT
Apr 19, 2025CAIII · Driver-only4RSL TRANSPORT LLC 2568716Z084983/UT
Dec 27, 2024UTIII · Driver-only2OOSCALCO TRANSPORTATION INC 919428Z084983/UT
Oct 3, 2024CAII · Walk-around0KAISER TRANSPORT INC 637350Z084983/UT
03

Carriers this unit has run under

4 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
A-1 TRANSPORTATION SERVICES LLC842022Jun 13, 2025Jun 13, 20251UT
RSL TRANSPORT LLC2568716Apr 19, 2025Apr 19, 20251UT
CALCO TRANSPORTATION INC919428Dec 27, 2024Dec 27, 20241UT
KAISER TRANSPORT INC637350Oct 3, 2024Oct 3, 20241WI
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.
Z084983UTA-1 TRANSPORTATION SERVICES LLCJun 13, 2025Jun 13, 20251
Z084983UTRSL TRANSPORT LLCApr 19, 2025Apr 19, 20251
Z084983UTCALCO TRANSPORTATION INCDec 27, 2024Dec 27, 20241
Z084983UTKAISER TRANSPORT INCOct 3, 2024Oct 3, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 12, 2026