Equipment unit · VIN-decoded · NHTSA vPIC

2014 Peterbilt 579

1XPBDP9X9ED251071 · Truck-Tractor · TRUCK
Carriers run under2
13 mo
Inspections3
all-time
OOS inspections0
of 3
First seenSep 11, 2025
NM
Last seenOct 21, 2026
TX
Inspected under 2 different carriers in 13 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
1XPBDP9X9ED251071
Make
Peterbilt
Model
579
Model year
2014
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
BDP9X

Deterministic · VIN positions 4–8.

Check digit
9 · valid

Deterministic · position 9; calculated value 9.

Model year candidates
1984 or 2014

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

North American serial sequence
251071

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.

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 11, 2025 – Oct 21, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Oct 21, 2026TXI · Full0—MARSBARS TRANSFER LLC 84655031P20107/TX
Dec 30, 2025NMIII · Driver-only0—TOP OF TEXAS TRANSPORT LLC 3880064R789690/TX
Sep 11, 2025NMIII · Driver-only1—TOP OF TEXAS TRANSPORT LLC 3880064R789690/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
MARSBARS TRANSFER LLC8465503Oct 21, 2026Oct 21, 20261TX
TOP OF TEXAS TRANSPORT LLC3880064Sep 11, 2025Dec 30, 20252TX
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.
1P20107TX1MARSBARS TRANSFER LLCOct 21, 2026 → Oct 21, 20261
R789690TX—TOP OF TEXAS TRANSPORT LLCSep 11, 2025 → Dec 30, 20252
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Sep 6, 2026