Equipment unit · VIN-decoded · NHTSA vPIC

2016 Peterbilt 579

1XPBD49X9GD325641 · Truck-Tractor · TRUCK
Carriers run under2
15 mo
Inspections5
all-time
OOS inspections1
of 5
First seenSep 19, 2023
CA
Last seenDec 17, 2024
TX
Inspected under 2 different carriers in 15 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
1XPBD49X9GD325641
Make
Peterbilt
Model
579
Model year
2016
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 29, 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
BD49X

Deterministic · VIN positions 4–8.

Check digit
9 · valid

Deterministic · position 9; calculated value 9.

Model year candidates
1986 or 2016

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

North American serial sequence
325641

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 · 26,166 decoded VINs at 100.0% prefix purity.

Model
579

Prefix basis · 26,166 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
2016

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 · Sep 19, 2023 – Dec 17, 2024

DateStateLevelViol.OOSCarrier (DOT)Plate
Dec 17, 2024TXI · Full2CONTINENTAL EXPRESS LLC 1995692ZP18046/CA
Sep 24, 2024OKII · Walk-around5OOSCONTINENTAL EXPRESS LLC 1995692ZP18046/CA
May 3, 2024WIIII · Driver-only1CONTINENTAL EXPRESS LLC 1995692ZP18046/CA
Dec 18, 2023COIII · Driver-only1CONTINENTAL EXPRESS INC 2258052WP61811/CA
Sep 19, 2023CAI · Full1CONTINENTAL EXPRESS INC 2258052WP61811/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
CONTINENTAL EXPRESS LLC1995692May 3, 2024Dec 17, 20243CA
CONTINENTAL EXPRESS INC2258052Sep 19, 2023Dec 18, 20232CA
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.
ZP18046CACONTINENTAL EXPRESS LLCMay 3, 2024Dec 17, 20243
WP61811CACONTINENTAL EXPRESS INCSep 19, 2023Dec 18, 20232
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 29, 2026