Equipment unit · VIN-decoded · NHTSA vPIC

2015 Peterbilt 579

1XPBD49X7FD283629 · Truck-Tractor · TRUCK
Carriers run under5
24 mo
Inspections7
all-time
OOS inspections2
of 7
First seenApr 1, 2024
TX
Last seenApr 9, 2026
TX
Inspected under 5 different carriers in 24 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
1XPBD49X7FD283629
Make
Peterbilt
Model
579
Model year
2015
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
1985 or 2015

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

North American serial sequence
283629

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
2015

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 · Apr 1, 2024 – Apr 9, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 9, 2026TXII · Walk-around0PABLO QUINTANILLA AGUIRRE 24427701N67651/TX
Feb 25, 2026TXIII · Driver-only1OOSSOUTHERN STAR TRANSPORT LTD 10414591N67651/TX
Jan 27, 2026TXII · Walk-around2OOSSOUTHERN STAR TRANSPORT LTD 10414591N67651/TX
Apr 11, 2025TXII · Walk-around0ES EXPRESS LLC 35371901N67651/TX
Dec 27, 2024TXII · Walk-around0EXPLORE TRADING LLC 31412341N67651/TX
Sep 3, 2024TXII · Walk-around1EXPLORE TRADING LLC 31412341N67651/TX
Apr 1, 2024TXII · Walk-around0FREIGHT EXCHANGE OF NORTH AMERICA LLC 1194542R576069/TX
03

Carriers this unit has run under

5 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
PABLO QUINTANILLA AGUIRRE2442770Apr 9, 2026Apr 9, 20261TX
SOUTHERN STAR TRANSPORT LTD1041459Jan 27, 2026Feb 25, 20262TX
ES EXPRESS LLC3537190Apr 11, 2025Apr 11, 20251TX
EXPLORE TRADING LLC3141234Sep 3, 2024Dec 27, 20242TX
FREIGHT EXCHANGE OF NORTH AMERICA LLC1194542Apr 1, 2024Apr 1, 20241IL
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.
1N67651TXPABLO QUINTANILLA AGUIRREApr 9, 2026Apr 9, 20261
1N67651TXSOUTHERN STAR TRANSPORT LTDJan 27, 2026Feb 25, 20262
1N67651TXES EXPRESS LLCApr 11, 2025Apr 11, 20251
1N67651TXEXPLORE TRADING LLCSep 3, 2024Dec 27, 20242
R576069TXFREIGHT EXCHANGE OF NORTH AMERICA LLCApr 1, 2024Apr 1, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026