Equipment unit · VIN-decoded · NHTSA vPIC

2023 Peterbilt 579

1XPBDP9X5PD876540 · Truck-Tractor · TRUCK
Carriers run under1
30 mo
Inspections6
all-time
OOS inspections1
of 6
First seenOct 19, 2023
GA
Last seenApr 6, 2026
MS
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1XPBDP9X5PD876540
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
5 · valid

Deterministic · position 9; calculated value 5.

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
876540

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 19, 2023 – Apr 6, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 6, 2026MSIII · Driver-only0EMPIRE EXPRESS INC 253615D8616HY/TN
Mar 31, 2026SCII · Walk-around1OOSEMPIRE EXPRESS INC 253615D8616HY/TN
Dec 16, 2025ARIII · Driver-only1EMPIRE EXPRESS INC 253615D8616HY/TN
Dec 8, 2025TXII · Walk-around0EMPIRE EXPRESS INC 253615D8616HY/TN
Apr 18, 2024TNIII · Driver-only0EMPIRE EXPRESS INC 253615D8616HY/UK
Oct 19, 2023GAIII · Driver-only0EMPIRE EXPRESS INC 253615D8616HY/TN
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
EMPIRE EXPRESS INC253615Oct 19, 2023Apr 6, 20266TN
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.
D8616HYTNEMPIRE EXPRESS INCOct 19, 2023Apr 6, 20265
D8616HYUKEMPIRE EXPRESS INCApr 18, 2024Apr 18, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 25, 2026