Equipment unit · VIN-decoded · NHTSA vPIC

2015 Peterbilt 579

1XPBD49X6FD285324 · Truck-Tractor · TRUCK
Carriers run under3
18 mo
Inspections3
all-time
OOS inspections0
of 3
First seenApr 8, 2025
TX
Last seenOct 13, 2026
TN
Inspected under 3 different carriers in 18 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
1XPBD49X6FD285324
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
Sep 6, 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
6 · valid

Deterministic · position 9; calculated value 6.

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
285324

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.

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 8, 2025 – Oct 13, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Oct 13, 2026TNIII · Driver-only0—RQ TRANSPORT INC 4208434DF25IC/FL
Nov 11, 2025FLII · Walk-around2—OVERLAND TRANSPORT LLC 4213751DG43AG/FL
Apr 8, 2025TXII · Walk-around6—SOBRAL EXPRESS LLC 3200256DG43AG/FL
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
RQ TRANSPORT INC4208434Oct 13, 2026Oct 13, 20261CO
OVERLAND TRANSPORT LLC4213751Nov 11, 2025Nov 11, 20251FL
SOBRAL EXPRESS LLC3200256Apr 8, 2025Apr 8, 20251FL
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.
DF25ICFL1RQ TRANSPORT INCOct 13, 2026 → Oct 13, 20261
DG43AGFL—OVERLAND TRANSPORT LLCNov 11, 2025 → Nov 11, 20251
DG43AGFL—SOBRAL EXPRESS LLCApr 8, 2025 → Apr 8, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Sep 6, 2026