Equipment unit · VIN-decoded · NHTSA vPIC

2017 Peterbilt 579

1XPBD49X2HD442284 · Truck-Tractor · TRUCK
Carriers run under3
34 mo
Inspections6
all-time
OOS inspections1
of 6
First seenSep 7, 2023
NC
Last seenJul 11, 2026
IA
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
1XPBD49X2HD442284
Make
Peterbilt
Model
579
Model year
2017
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 28, 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
2 · valid

Deterministic · position 9; calculated value 2.

Model year candidates
1987 or 2017

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

North American serial sequence
442284

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 · Sep 7, 2023 – Jul 11, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 11, 2026IAII · Walk-around2—FLOWTRANS LLC 3650177R799603/TX
Mar 16, 2026KYI · Full1—FLOWTRANS LLC 3650177R799603/TX
Nov 26, 2025NCIII · Driver-only1—FLOWTRANS LLC 3650177R799603/TX
May 17, 2024TNI · Full0—ART TRANSPORT INC 1058546K828304/AR
Mar 28, 2024MDII · Walk-around0—ART TRANSPORT INC 1058546K828304/AR
Sep 7, 2023NCII · Walk-around2OOSF2F TRANSPORT LLC 239699S4244HY/TN
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
FLOWTRANS LLC3650177Nov 26, 2025Jul 11, 20263FL
ART TRANSPORT INC1058546Mar 28, 2024May 17, 20242AR
F2F TRANSPORT LLC239699Sep 7, 2023Sep 7, 20231TN
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.
R799603TX1FLOWTRANS LLCNov 26, 2025 → Jul 11, 20263
K828304AR—ART TRANSPORT INCMar 28, 2024 → May 17, 20242
S4244HYTN—F2F TRANSPORT LLCSep 7, 2023 → Sep 7, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 28, 2026