Equipment unit · VIN-decoded · NHTSA vPIC

2023 Peterbilt 579

1XPBDP9XXPD862312 · Truck-Tractor · TRUCK
Carriers run under2
31 mo
Inspections10
all-time
OOS inspections0
of 10
First seenAug 4, 2023
AR
Last seenMar 23, 2026
CA
Inspected under 2 different carriers in 31 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
1XPBDP9XXPD862312
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 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
1993 or 2023

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

North American serial sequence
862312

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 · Aug 4, 2023 – Mar 23, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 23, 2026CAII · Walk-around0M C VAN KAMPEN TRUCKING INC 169993RC59684/MI
Jan 6, 2026TXIII · Driver-only2M C VAN KAMPEN TRUCKING INC 169993RC52563/MI
Dec 31, 2025TXII · Walk-around0M C VAN KAMPEN TRUCKING INC 169993RC52563/MI
Aug 1, 2025TXII · Walk-around0M C VAN KAMPEN TRUCKING INC 169993RC52563/MI
Dec 17, 2024VAIII · Driver-only0S AND S TRANSPORTERS INC 51846343846PZ/VA
Jun 24, 2024MOI · Full1S AND S TRANSPORTERS INC 51846343846PZ/VA
May 29, 2024TNIII · Driver-only0S AND S TRANSPORTERS INC 51846343846PZ/VA
Apr 30, 2024SCIII · Driver-only1S AND S TRANSPORTERS INC 51846343846PZ/VA
Dec 7, 2023MTIII · Driver-only0S AND S TRANSPORTERS INC 51846343846PZ/VA
Aug 4, 2023ARII · Walk-around0S AND S TRANSPORTERS INC 51846343846PZ/VA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
M C VAN KAMPEN TRUCKING INC169993Aug 1, 2025Mar 23, 20264MI
S AND S TRANSPORTERS INC518463Aug 4, 2023Dec 17, 20246VA
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.
RC59684MIM C VAN KAMPEN TRUCKING INCMar 23, 2026Mar 23, 20261
RC52563MIM C VAN KAMPEN TRUCKING INCAug 1, 2025Jan 6, 20263
43846PZVAS AND S TRANSPORTERS INCAug 4, 2023Dec 17, 20246
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 19, 2026