Equipment unit · VIN-decoded · NHTSA vPIC

2023 Peterbilt 579

1XPBDP9X2PD837145 · Truck-Tractor · TRUCK
Carriers run under3
24 mo
Inspections9
all-time
OOS inspections1
of 9
First seenJul 7, 2024
MS
Last seenJul 13, 2026
MO
Inspected under 3 different carriers in 24 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
1XPBDP9X2PD837145
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 21, 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
837145

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 · Jul 7, 2024 – Jul 13, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 13, 2026MOIII · Driver-only0SVIT EXPRESS INC 2545866AH83090/PA
Jun 18, 2026GAIII · Driver-only0SVIT EXPRESS INC 2545866AH83090/PA
Jun 17, 2026KYI · Full3OOSSVIT EXPRESS INC 2545866AH83090/PA
Apr 6, 2026UTI · Full0RPM PROFESSIONAL CARRIERS LLC 2785278AH83090/PA
Mar 8, 2026NMII · Walk-around0RPM PROFESSIONAL CARRIERS LLC 2785278AH83090/PA
Sep 29, 2024OKI · Full2SPG TRANSPORTATION INC 2881143ZP03628/CA
Sep 10, 2024ARII · Walk-around0SPG TRANSPORTATION INC 2881143ZP03628/CA
Jul 22, 2024MOII · Walk-around1SPG TRANSPORTATION INC 2881143ZP03628/CA
Jul 7, 2024MSII · Walk-around0SPG TRANSPORTATION INC 2881143PZ03628/CA
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SVIT EXPRESS INC2545866Jun 17, 2026Jul 13, 20263PA
RPM PROFESSIONAL CARRIERS LLC2785278Mar 8, 2026Apr 6, 20262PA
SPG TRANSPORTATION INC2881143Jul 7, 2024Sep 29, 20244TX
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.
AH83090PA1SVIT EXPRESS INCJun 17, 2026Jul 13, 20263
AH83090PARPM PROFESSIONAL CARRIERS LLCMar 8, 2026Apr 6, 20262
ZP03628CASPG TRANSPORTATION INCJul 22, 2024Sep 29, 20243
PZ03628CASPG TRANSPORTATION INCJul 7, 2024Jul 7, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026