Equipment unit · VIN-decoded · NHTSA vPIC

2015 Peterbilt 579

1XPBD49X0FD289921 · Truck-Tractor · TRUCK
Carriers run under3
30 mo
Inspections26
all-time
OOS inspections4
of 26
First seenJun 17, 2023
CA
Last seenDec 23, 2025
CA
Inspected under 3 different carriers in 30 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
1XPBD49X0FD289921
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 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
BD49X

Deterministic · VIN positions 4–8.

Check digit
0 · valid

Deterministic · position 9; calculated value 0.

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
289921

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.

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
2015

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 · Jun 17, 2023 – Dec 23, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Dec 23, 2025CAIII · Driver-only1R ROMAN TRANSPORT INC 13187409G30363/CA
Nov 21, 2025CAIII · Driver-only1R ROMAN TRANSPORT INC 13187409G30363/CA
Nov 6, 2025CAII · Walk-around0R ROMAN TRANSPORT INC 13187409G30363/CA
Nov 5, 2025CAI · Full2R ROMAN TRANSPORT INC 13187409G30363/CA
Oct 21, 2025CAII · Walk-around0R ROMAN TRANSPORT INC 13187409G30363/CA
Oct 15, 2025CAII · Walk-around1OOSR ROMAN TRANSPORT INC 13187409G30363/CA
Jul 4, 2025CAII · Walk-around1R ROMAN TRANSPORT INC 13187409G30363/CA
Feb 13, 2025CAIII · Driver-only1R ROMAN TRANSPORT INC 13187409G30363/CA
Feb 11, 2025USI · Full0REYNA GUADALUPE ROMAN NOLASCO 23513779G30363/CA
Dec 20, 2024CAIII · Driver-only1OOSR ROMAN TRANSPORT INC 13187409G30363/CA
Aug 20, 2024CAII · Walk-around1R ROMAN TRANSPORT INC 13187409G30363/CA
Jul 24, 2024CAIII · Driver-only0RITA ROMAN NOLASCO 21288799G30363/CA
Jun 10, 2024CAI · Full0R ROMAN TRANSPORT INC 13187409G30363/CA
Jun 10, 2024CAI · Full1OOSR ROMAN TRANSPORT INC 13187409G30363/CA
May 9, 2024CAI · Full1R ROMAN TRANSPORT INC 13187409G30363/CA
May 9, 2024CAI · Full0R ROMAN TRANSPORT INC 13187409G30363/CA
Apr 9, 2024CAI · Full2R ROMAN TRANSPORT INC 13187409G30363/CA
Apr 4, 2024CAI · Full0R ROMAN TRANSPORT INC 13187409G30363/CA
Feb 29, 2024CAI · Full1R ROMAN TRANSPORT INC 13187409G30363/CA
Jan 11, 2024CAII · Walk-around3OOSR ROMAN TRANSPORT INC 13187409G30363/CA
Jan 10, 2024CAIII · Driver-only0R ROMAN TRANSPORT INC 13187409G30363/CA
Dec 7, 2023CAIII · Driver-only1R ROMAN TRANSPORT INC 13187409G30363/CA
Oct 11, 2023CAIII · Driver-only1R ROMAN TRANSPORT INC 13187409G30363/CA
Oct 5, 2023CAI · Full0R ROMAN TRANSPORT INC 13187409G30363/CA
Sep 18, 2023CAIII · Driver-only1R ROMAN TRANSPORT INC 13187409G30363/CA
Jun 17, 2023CAI · Full1R ROMAN TRANSPORT INC 13187409G30363/CA
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
R ROMAN TRANSPORT INC1318740Jun 17, 2023Dec 23, 202524CA
REYNA GUADALUPE ROMAN NOLASCO2351377Feb 11, 2025Feb 11, 20251CA
RITA ROMAN NOLASCO2128879Jul 24, 2024Jul 24, 20241CA
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.
9G30363CAR ROMAN TRANSPORT INCJun 17, 2023Dec 23, 202524
9G30363CAREYNA GUADALUPE ROMAN NOLASCOFeb 11, 2025Feb 11, 20251
9G30363CARITA ROMAN NOLASCOJul 24, 2024Jul 24, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 14, 2026