Equipment unit · VIN-decoded · NHTSA vPIC

2016 Peterbilt 579

1XPBD49X4GD326101 · Truck-Tractor · TRUCK
Carriers run under3
34 mo
Inspections8
all-time
OOS inspections5
of 8
First seenSep 20, 2023
IN
Last seenJul 22, 2026
KS
Inspected under 3 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
1XPBD49X4GD326101
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 24, 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
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
326101

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 20, 2023 – Jul 22, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 22, 2026KSI · Full18OOSFHTT TRUCKING LLC 3138010R834137/TX
Jun 27, 2026TXII · Walk-around4OOSSUNCITY EXPRESS LLC 3130810R834137/TX
Jul 15, 2025NCII · Walk-around7OOSLUCAS TRUCKING LLC 3810063R776352/TX
Apr 8, 2025GAIII · Driver-only5OOSLUCAS TRUCKING LLC 3810063R776352/TX
Apr 1, 2025ALIII · Driver-only2LUCAS TRUCKING LLC 3810063R776352/TX
Oct 2, 2024ILIII · Driver-only0LUCAS TRUCKING LLC 381006377827A/NV
Sep 28, 2024MOIII · Driver-only0LUCAS TRUCKING LLC 381006377827A/NV
Sep 20, 2023INII · Walk-around3OOSLUCAS TRUCKING LLC 381006377827A/NV
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
FHTT TRUCKING LLC3138010Jul 22, 2026Jul 22, 20261TX
SUNCITY EXPRESS LLC3130810Jun 27, 2026Jun 27, 20261OH
LUCAS TRUCKING LLC3810063Sep 20, 2023Jul 15, 20256NV
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.
R834137TX1FHTT TRUCKING LLCJul 22, 2026Jul 22, 20261
R834137TX1SUNCITY EXPRESS LLCJun 27, 2026Jun 27, 20261
R776352TXLUCAS TRUCKING LLCApr 1, 2025Jul 15, 20253
77827ANVLUCAS TRUCKING LLCSep 20, 2023Oct 2, 20243
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 24, 2026