Equipment unit · VIN-decoded · NHTSA vPIC

2000 Peterbilt 385

1NPGAU8X9YD531814 · Truck-Tractor · INCOMPLETE VEHICLE
Carriers run under2
34 mo
Inspections12
all-time
OOS inspections3
of 12
First seenAug 14, 2023
TX
Last seenJun 30, 2026
TX
Inspected under 2 different carriers in 34 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
1NPGAU8X9YD531814
Make
Peterbilt
Model
385
Model year
2000
Body class
Truck-Tractor
Vehicle type
INCOMPLETE VEHICLE
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 17, 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
1NP

Deterministic · VIN positions 1–3.

Vehicle descriptor section
GAU8X

Deterministic · VIN positions 4–8.

Check digit
9 · valid

Deterministic · position 9; calculated value 9.

Model year candidates
2000 or 2030

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

North American serial sequence
531814

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.

Not established

No supported platform claim is established for this prefix

The resolver answered successfully but returned no row above the evidence floor. This does not mean the vehicle has no platform or that no data exists; it means this store cannot make the claim.

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
2000

Observed directly for this VIN via NHTSA vPIC.

Observed make
PETERBILT

Observed directly for this VIN via NHTSA vPIC.

Observed model
385

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Truck-Tractor

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
INCOMPLETE VEHICLE

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

  • platform make
  • platform model
  • model line
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Aug 14, 2023 – Jun 30, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 30, 2026TXII · Walk-around2SHAY TRANSPORTATION LLC 1580764R587810/TX
Dec 2, 2025TXII · Walk-around2SHAY TRANSPORTATION LLC 1580764R587810/TX
Jun 24, 2025TXII · Walk-around4SHAY TRANSPORTATION LLC 1580764R587810/TX
Mar 12, 2025TXII · Walk-around4SHAY TRANSPORTATION LLC 1580764R587810/TX
Jan 24, 2025TXII · Walk-around3OOSCDL TRUCK SERVICES LLC 3255174R587810/TX
Jan 24, 2025TXII · Walk-around2SHAY TRANSPORTATION LLC 1580764R587810/TX
Dec 10, 2024TXII · Walk-around7SHAY TRANSPORTATION LLC 1580764R587810/TX
Aug 22, 2024TXII · Walk-around3OOSSHAY TRANSPORTATION LLC 1580764R587810/TX
Jun 6, 2024TXII · Walk-around3SHAY TRANSPORTATION LLC 1580764R587810/TX
Jan 5, 2024TXI · Full2SHAY TRANSPORTATION LLC 1580764R587810/TX
Sep 28, 2023TXII · Walk-around4OOSSHAY TRANSPORTATION LLC 1580764R587810/TX
Aug 14, 2023TXII · Walk-around7SHAY TRANSPORTATION LLC 1580764R587810/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SHAY TRANSPORTATION LLC1580764Aug 14, 2023Jun 30, 202611TX
CDL TRUCK SERVICES LLC3255174Jan 24, 2025Jan 24, 20251TX
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.
R587810TX1SHAY TRANSPORTATION LLCAug 14, 2023Jun 30, 202611
R587810TXCDL TRUCK SERVICES LLCJan 24, 2025Jan 24, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 17, 2026