Equipment unit · VIN-decoded · NHTSA vPIC

2015 Peterbilt 579

1XPBD49X8FD289181 · Truck-Tractor · TRUCK
Carriers run under2
20 mo
Inspections25
all-time
OOS inspections8
of 25
First seenMay 9, 2024
TX
Last seenJan 13, 2026
TX
Inspected under 2 different carriers in 20 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
1XPBD49X8FD289181
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
8 · valid

Deterministic · position 9; calculated value 8.

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
289181

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 · May 9, 2024 – Jan 13, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jan 13, 2026TXIII · Driver-only0CUCOS TRUCKING SA DE CV 419215466AV4H/MX
Oct 27, 2025USI · Full0CUCOS TRUCKING SA DE CV 419215466AV4H/MX
Oct 16, 2025TXII · Walk-around4CUCOS TRUCKING SA DE CV 419215466AV4H/MX
Sep 17, 2025USI · Full5CUCOS TRUCKING SA DE CV 419215466AV4H/MX
Sep 2, 2025USI · Full15OOSCUCOS TRUCKING SA DE CV 419215466AV4H/MX
Aug 27, 2025TXII · Walk-around5OOSCUCOS TRUCKING SA DE CV 419215466AV4H/MX
Aug 26, 2025USI · Full3OOSCUCOS TRUCKING SA DE CV 419215466AV4H/MX
Aug 18, 2025USII · Walk-around0CUCOS TRUCKING SA DE CV 419215466AV4H/MX
Jul 31, 2025USI · Full7OOSCUCOS TRUCKING SA DE CV 419215466AV4H/MX
Jul 14, 2025TXI · Full0CUCOS TRUCKING SA DE CV 419215466AV4H/MX
Jun 10, 2025TXII · Walk-around6OOSCUCOS TRUCKING SA DE CV 419215466AV4H/TA
May 23, 2025USI · Full0CUCOS TRUCKING SA DE CV 419215466AV4H/MX
Apr 7, 2025TXI · Full0CUCOS TRUCKING SA DE CV 419215466AV4H/MX
Feb 27, 2025TXI · Full0CUCOS TRUCKING SA DE CV 419215466AV4H/MX
Feb 4, 2025USI · Full3OOSCUCOS TRUCKING SA DE CV 419215466AV4H/MX
Jan 23, 2025TXII · Walk-around1OOSCUCOS TRUCKING SA DE CV 419215466AV4H/MX
Jan 7, 2025USI · Full1CUCOS TRUCKING SA DE CV 419215466AV4H/MX
Dec 26, 2024TXII · Walk-around2OOSCUCOS TRUCKING SA DE CV 419215466AV4H/TA
Oct 29, 2024TXIII · Driver-only0CUCOS TRUCKING SA DE CV 419215466AV4H/TA
Oct 23, 2024USII · Walk-around0CUCOS TRUCKING SA DE CV 419215466AV4H/MX
Aug 5, 2024USII · Walk-around0CUCOS TRUCKING SA DE CV 419215466AV4H/MX
Jul 2, 2024USII · Walk-around0CUCOS TRUCKING SA DE CV 419215466AV4H/MX
Jun 20, 2024TXIII · Driver-only1CUCOS TRUCKING SA DE CV 419215466AV4H/MX
May 22, 2024USI · Full0ERNESTINA ELIZABETH RUIZ ALANIS 159969166AV4H/MX
May 9, 2024TXIII · Driver-only1ERNESTINA ELIZABETH RUIZ ALANIS 159969166AV4H/MX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
CUCOS TRUCKING SA DE CV4192154Jun 20, 2024Jan 13, 202623TA
ERNESTINA ELIZABETH RUIZ ALANIS1599691May 9, 2024May 22, 20242TA
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.
66AV4HMXCUCOS TRUCKING SA DE CVJun 20, 2024Jan 13, 202620
66AV4HTACUCOS TRUCKING SA DE CVOct 29, 2024Jun 10, 20253
66AV4HMXERNESTINA ELIZABETH RUIZ ALANISMay 9, 2024May 22, 20242
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 14, 2026