Equipment unit · VIN-decoded · NHTSA vPIC

2023 Peterbilt 579

1XPBDP9X7PD861618 · Truck-Tractor · TRUCK
Carriers run under2
33 mo
Inspections8
all-time
OOS inspections1
of 8
First seenOct 30, 2023
ME
Last seenJul 28, 2026
NV
Inspected under 2 different carriers in 33 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
1XPBDP9X7PD861618
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
Jun 25, 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
7 · valid

Deterministic · position 9; calculated value 7.

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
861618

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 30, 2023 – Jul 28, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 28, 2026NVIII · Driver-only0RIVERWOOD MANAGEMENT INC 1269113Z015711/UT
Jul 16, 2026UTIII · Driver-only0RIVERWOOD MANAGEMENT INC 1269113Z015711/UT
Jan 29, 2025COIII · Driver-only0NEW PRIME INC 370633KS9W/MO
Aug 9, 2024TNIII · Driver-only0NEW PRIME INC 370633KS9W/UK
May 23, 2024GAIII · Driver-only1NEW PRIME INC 370633KS9W/MO
Mar 30, 2024NMII · Walk-around0NEW PRIME INC 370633KS9W/MO
Dec 13, 2023TNI · Full1OOSNEW PRIME INC 370633KS9W/MO
Oct 30, 2023MEII · Walk-around1NEW PRIME INC 370633KS9W/MO
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
RIVERWOOD MANAGEMENT INC1269113Jul 16, 2026Jul 28, 20262UT
NEW PRIME INC3706Oct 30, 2023Jan 29, 20256MO
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.
Z015711UT1RIVERWOOD MANAGEMENT INCJul 16, 2026Jul 28, 20262
33KS9WMONEW PRIME INCOct 30, 2023Jan 29, 20255
33KS9WUKNEW PRIME INCAug 9, 2024Aug 9, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 25, 2026