Equipment unit · VIN-decoded · NHTSA vPIC

2016 Peterbilt 579

1XPBD49X7GD336296 · Truck-Tractor · TRUCK
Carriers run under2
15 mo
Inspections7
all-time
OOS inspections4
of 7
First seenJul 31, 2024
TX
Last seenOct 25, 2025
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
1XPBD49X7GD336296
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 21, 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
7 · valid

Deterministic · position 9; calculated value 7.

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
336296

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 · Jul 31, 2024 – Oct 25, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Oct 25, 2025TXII · Walk-around12OOSCARRIER SMART TRANSPORT LLC 4255426R679428/TX
Oct 16, 2025UTI · Full6OOSCARRIER SMART TRANSPORT LLC 4255426R679428/TX
Sep 8, 2025UTI · Full2CARRIER SMART TRANSPORT LLC 4255426R679428/TX
Sep 4, 2025ORII · Walk-around2OOSCARRIER SMART TRANSPORT LLC 4255426R679428/TX
Jul 25, 2025ORII · Walk-around1CARRIER SMART TRANSPORT LLC 4255426R679428/TX
May 27, 2025TXII · Walk-around1CARGO SERVICE TRUCKING LLC 3565742R679428/TX
Jul 31, 2024TXII · Walk-around6OOSCARGO SERVICE TRUCKING LLC 3565742R679428/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
CARRIER SMART TRANSPORT LLC4255426Jul 25, 2025Oct 25, 20255TX
CARGO SERVICE TRUCKING LLC3565742Jul 31, 2024May 27, 20252TX
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.
R679428TXCARRIER SMART TRANSPORT LLCJul 25, 2025Oct 25, 20255
R679428TXCARGO SERVICE TRUCKING LLCJul 31, 2024May 27, 20252
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026