Equipment unit · VIN-decoded · NHTSA vPIC

2015 Peterbilt 579

1XPBD49X2FD295221 · Truck-Tractor · TRUCK
Carriers run under2
21 mo
Inspections5
all-time
OOS inspections3
of 5
First seenOct 30, 2023
AL
Last seenJul 29, 2025
AL
Inspected under 2 different carriers in 21 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
1XPBD49X2FD295221
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 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
1985 or 2015

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

North American serial sequence
295221

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 · Oct 30, 2023 – Jul 29, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 29, 2025ALII · Walk-around23OOSHEAVY HITTER TRUCKING 2801160NONE-AL/AL
Jul 17, 2025ALII · Walk-around12OOSHEAVY HITTER TRUCKING 280116000000/AL
Feb 4, 2025ALII · Walk-around12—HEAVY HITTER TRUCKING 2801160—
Nov 30, 2023ALII · Walk-around4OOSSIMON HAYNES 387805761ADMHR/AL
Oct 30, 2023ALIII · Driver-only0—SIMON HAYNES 3878057NONE/AL
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
HEAVY HITTER TRUCKING2801160Feb 4, 2025Jul 29, 20253AL
SIMON HAYNES3878057Oct 30, 2023Nov 30, 20232AL
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.
NONE-ALAL—HEAVY HITTER TRUCKINGJul 29, 2025 → Jul 29, 20251
00000AL—HEAVY HITTER TRUCKINGJul 17, 2025 → Jul 17, 20251
—AL—HEAVY HITTER TRUCKINGFeb 4, 2025 → Feb 4, 20251
61ADMHRAL—SIMON HAYNESNov 30, 2023 → Nov 30, 20231
NONEAL—SIMON HAYNESOct 30, 2023 → Oct 30, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 28, 2026