Equipment unit · VIN-decoded · NHTSA vPIC

2016 Peterbilt 579

1XPBDP9X4GD328853 · Truck-Tractor · TRUCK
Carriers run under1
18 mo
Inspections16
all-time
OOS inspections1
of 16
First seenDec 11, 2024
TX
Last seenJun 25, 2026
TX
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1XPBDP9X4GD328853
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 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
4 · valid

Deterministic · position 9; calculated value 4.

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
328853

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
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 · Dec 11, 2024 – Jun 25, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 25, 2026TXII · Walk-around1PROMEXCO COMERCIALIZACION SA DE CV 374732585BC4Y/CI
Jun 24, 2026TXII · Walk-around0PROMEXCO COMERCIALIZACION SA DE CV 374732585BC4Y/MX
Jun 23, 2026TXII · Walk-around3PROMEXCO COMERCIALIZACION SA DE CV 374732585BC4Y/CI
May 5, 2026TXI · Full0PROMEXCO COMERCIALIZACION SA DE CV 374732585BC4Y/DF
Feb 20, 2026TXII · Walk-around0PROMEXCO COMERCIALIZACION SA DE CV 374732585BC4Y/MX
Feb 19, 2026TXI · Full0PROMEXCO COMERCIALIZACION SA DE CV 374732585BC4Y/DF
Feb 17, 2026TXII · Walk-around0PROMEXCO COMERCIALIZACION SA DE CV 374732585BC4Y/MX
Jan 9, 2026USII · Walk-around0PROMEXCO COMERCIALIZACION SA DE CV 374732585BC4Y/MX
Dec 17, 2025USI · Full0PROMEXCO COMERCIALIZACION SA DE CV 374732585BC4Y/MX
Dec 12, 2025TXII · Walk-around3PROMEXCO COMERCIALIZACION SA DE CV 374732585BC4Y/MX
Dec 11, 2025TXII · Walk-around1PROMEXCO COMERCIALIZACION SA DE CV 374732585BC4Y/MX
Dec 10, 2025USII · Walk-around0PROMEXCO COMERCIALIZACION SA DE CV 374732585-BC-44/CI
Dec 9, 2025TXII · Walk-around1PROMEXCO COMERCIALIZACION SA DE CV 374732585BC4Y/MX
Dec 8, 2025TXII · Walk-around3PROMEXCO COMERCIALIZACION SA DE CV 374732585BC4Y/MX
Dec 31, 2024TXII · Walk-around2OOSPROMEXCO COMERCIALIZACION SA DE CV 374732585BC4Y/MX
Dec 11, 2024TXII · Walk-around6PROMEXCO COMERCIALIZACION SA DE CV 374732585BC4Y/MX
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
PROMEXCO COMERCIALIZACION SA DE CV3747325Dec 11, 2024Jun 25, 202616SI
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.
85BC4YCI1PROMEXCO COMERCIALIZACION SA DE CVJun 23, 2026Jun 25, 20262
85BC4YMX1PROMEXCO COMERCIALIZACION SA DE CVDec 11, 2024Jun 24, 202611
85BC4YDFPROMEXCO COMERCIALIZACION SA DE CVFeb 19, 2026May 5, 20262
85-BC-44CIPROMEXCO COMERCIALIZACION SA DE CVDec 10, 2025Dec 10, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 16, 2026