Equipment unit · VIN-decoded · NHTSA vPIC

2016 Peterbilt 579

1XPBA48X1GD339804 · Truck-Tractor · TRUCK
Carriers run under2
17 mo
Inspections13
all-time
OOS inspections2
of 13
First seenMar 18, 2025
TX
Last seenAug 3, 2026
US
Inspected under 2 different carriers in 17 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
1XPBA48X1GD339804
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 19, 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
BA48X

Deterministic · VIN positions 4–8.

Check digit
1 · valid

Deterministic · position 9; calculated value 1.

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
339804

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 · 364 decoded VINs at 100.0% prefix purity.

Model
579

Prefix basis · 364 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 · Mar 18, 2025 – Aug 3, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 3, 2026USI · Full0THO LOGISTIC 411394826ES1Y/MX
Jul 29, 2026USIII · Driver-only0THO LOGISTIC 411394826ES1Y/MX
Jul 29, 2026TXI · Full1THO LOGISTIC 411394826ES1Y/MX
Jul 14, 2026TXI · Full1THO LOGISTIC 411394826ES1Y/CI
Mar 5, 2026TXI · Full3THO LOGISTIC 411394826ES1Y/MX
Feb 11, 2026USI · Full0THO LOGISTIC 411394826ES1Y/MX
Jan 21, 2026TXII · Walk-around3THO LOGISTIC 411394826ES1Y/CI
Jan 12, 2026TXI · Full1THO LOGISTIC 411394826ES1Y/CI
Jan 9, 2026USI · Full1THO LOGISTIC 411394826ES1Y/MX
Nov 4, 2025TXI · Full2THO LOGISTIC 411394826ES1Y/CI
Oct 22, 2025TXI · Full8OOSTHO LOGISTIC 411394826ES1Y/CI
Oct 6, 2025USI · Full0THO LOGISTIC 411394826ES1Y/MX
Mar 18, 2025TXII · Walk-around2OOSFEDEX FREIGHT INC 2390392480594/IN
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
THO LOGISTIC4113948Oct 6, 2025Aug 3, 202612CI
FEDEX FREIGHT INC239039Mar 18, 2025Mar 18, 20251AR
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.
26ES1YMX1THO LOGISTICOct 6, 2025Aug 3, 20267
26ES1YCI1THO LOGISTICOct 22, 2025Jul 14, 20265
2480594INFEDEX FREIGHT INCMar 18, 2025Mar 18, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 19, 2026