Equipment unit · VIN-decoded · NHTSA vPIC

2016 Peterbilt 579

1XPBDP9X1GD336487 · Truck-Tractor · TRUCK
Carriers run under2
9 mo
Inspections21
all-time
OOS inspections2
of 21
First seenAug 1, 2025
TX
Last seenMay 6, 2026
US
Inspected under 2 different carriers in 9 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
1XPBDP9X1GD336487
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 14, 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
BDP9X

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
336487

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 · 21,366 decoded VINs at 100.0% prefix purity.

Model
579

Prefix basis · 21,366 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 · Aug 1, 2025 – May 6, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 6, 2026USI · Full4BRANDON SALAZAR SNOWBALL 441081842ET7H/MX
Apr 3, 2026TXI · Full17OOSBRANDON SALAZAR SNOWBALL 441081842ET7H/MX
Mar 24, 2026USI · Full3BRANDON SALAZAR SNOWBALL 441081842ET7H/MX
Mar 16, 2026TXII · Walk-around0BRANDON SALAZAR SNOWBALL 441081842ET7H/MX
Mar 5, 2026USI · Full7OOSBRANDON SALAZAR SNOWBALL 441081842ET7H/MX
Mar 3, 2026TXI · Full1BRANDON SALAZAR SNOWBALL 441081842ET7H/MX
Feb 27, 2026TXI · Full3BRANDON SALAZAR SNOWBALL 441081842ET7H/MX
Feb 26, 2026TXII · Walk-around2BRANDON SALAZAR SNOWBALL 441081842ET7H/MX
Feb 26, 2026TXII · Walk-around2BRANDON SALAZAR SNOWBALL 441081842ET7H/MX
Jan 21, 2026TXII · Walk-around3BRANDON SALAZAR SNOWBALL 441081842ET7H/MX
Jan 20, 2026TXII · Walk-around0BRANDON SALAZAR SNOWBALL 441081842ET7H/MX
Jan 19, 2026TXII · Walk-around4BRANDON SALAZAR SNOWBALL 441081842ET7H/MX
Nov 6, 2025USI · Full6BRANDON SALAZAR SNOWBALL 441081842ET7H/MX
Nov 6, 2025TXII · Walk-around2BRANDON SALAZAR SNOWBALL 441081842ET7H/MX
Oct 9, 2025TXII · Walk-around2BRANDON SALAZAR SNOWBALL 441081842ET7H/MX
Oct 1, 2025TXII · Walk-around1BRANDON SALAZAR SNOWBALL 441081842ET7H/MX
Sep 16, 2025TXII · Walk-around3BRANDON SALAZAR SNOWBALL 441081842ET7H/MX
Sep 3, 2025TXII · Walk-around2BRANDON SALAZAR SNOWBALL 441081842ET7H/MX
Aug 21, 2025TXII · Walk-around1SNOWBALL LOGISTIC LLC 437941442ET7H/MX
Aug 18, 2025TXI · Full1SNOWBALL LOGISTIC LLC 437941442ET7H/MX
Aug 1, 2025TXII · Walk-around2SNOWBALL LOGISTIC LLC 437941442ET7H/MX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
BRANDON SALAZAR SNOWBALL4410818Sep 3, 2025May 6, 202618CH
SNOWBALL LOGISTIC LLC4379414Aug 1, 2025Aug 21, 20253TX
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.
42ET7HMXBRANDON SALAZAR SNOWBALLSep 3, 2025May 6, 202618
42ET7HMXSNOWBALL LOGISTIC LLCAug 1, 2025Aug 21, 20253
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 14, 2026