Equipment unit · VIN-decoded · NHTSA vPIC

2023 Peterbilt 579

1XPBDP9X8PD879190 · Truck-Tractor · TRUCK
Carriers run under1
32 mo
Inspections15
all-time
OOS inspections2
of 15
First seenNov 1, 2023
MT
Last seenJul 18, 2026
CA
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1XPBDP9X8PD879190
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 16, 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
8 · valid

Deterministic · position 9; calculated value 8.

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
879190

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 · Nov 1, 2023 – Jul 18, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 18, 2026CAIII · Driver-only1GUGU AND SHAMMI TRUCKING LTD 38498350AS553/AB
May 19, 2026NMII · Walk-around0GUGU AND SHAMMI TRUCKING LTD 38498350AS553/AB
Feb 16, 2026NMII · Walk-around2OOSGUGU AND SHAMMI TRUCKING LTD 38498350AS553/AB
Feb 12, 2026COI · Full21OOSGUGU AND SHAMMI TRUCKING LTD 38498350AS553/AB
Jan 19, 2026MTI · Full5GUGU AND SHAMMI TRUCKING LTD 38498350AS553/AB
Dec 5, 2025CAII · Walk-around3GUGU AND SHAMMI TRUCKING LTD 38498350AS553/AB
Oct 1, 2025MTII · Walk-around1GUGU AND SHAMMI TRUCKING LTD 38498350AS553/AB
May 9, 2025MTII · Walk-around3GUGU AND SHAMMI TRUCKING LTD 38498350AS553/AB
Dec 19, 2024CAI · Full0GUGU AND SHAMMI TRUCKING LTD 38498350AS553/AB
Oct 27, 2024NVIII · Driver-only0GUGU AND SHAMMI TRUCKING LTD 38498350AS553/AB
Jan 14, 2024MTIII · Driver-only2GUGU AND SHAMMI TRUCKING LTD 38498350AS553/AB
Dec 4, 2023CAIII · Driver-only1GUGU AND SHAMMI TRUCKING LTD 38498350AS553/AB
Nov 27, 2023UTIII · Driver-only0GUGU AND SHAMMI TRUCKING LTD 3849835OAS553/AB
Nov 4, 2023MTIII · Driver-only0GUGU AND SHAMMI TRUCKING LTD 38498350AS553/AB
Nov 1, 2023MTII · Walk-around0GUGU AND SHAMMI TRUCKING LTD 38498350AS553/AB
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
GUGU AND SHAMMI TRUCKING LTD3849835Nov 1, 2023Jul 18, 202615AB
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.
0AS553AB1GUGU AND SHAMMI TRUCKING LTDNov 1, 2023Jul 18, 202614
OAS553ABGUGU AND SHAMMI TRUCKING LTDNov 27, 2023Nov 27, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 16, 2026