Equipment unit · VIN-decoded · NHTSA vPIC

2012 Peterbilt 587

1XP4D49X1CD144973 · Truck-Tractor · TRUCK
Carriers run under4
25 mo
Inspections5
all-time
OOS inspections1
of 5
First seenMay 8, 2024
TX
Last seenJun 26, 2026
KS
Inspected under 4 different carriers in 25 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
1XP4D49X1CD144973
Make
Peterbilt
Model
587
Model year
2012
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 30, 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
4D49X

Deterministic · VIN positions 4–8.

Check digit
1 · valid

Deterministic · position 9; calculated value 1.

Model year candidates
1982 or 2012

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

North American serial sequence
144973

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 · 936 decoded VINs at 100.0% prefix purity.

Model
587

Prefix basis · 936 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
2012

Observed directly for this VIN via NHTSA vPIC.

Observed make
PETERBILT

Observed directly for this VIN via NHTSA vPIC.

Observed model
587

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 8, 2024 – Jun 26, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 26, 2026KSII · Walk-around1ART TRANSPORT INC 1058546P291243/LA
Sep 1, 2025ARIII · Driver-only0PREFERRED MATERIALS INC 1072241P291243/LA
May 17, 2025ARII · Walk-around0PREFERRED TANK LINES LLC 2316473P291243/LA
Mar 27, 2025ARIII · Driver-only0PREFERRED TANK LINES LLC 2316473P291243/LA
May 8, 2024TXII · Walk-around1OOSCOSTLOW ENTERPRISES LLC 3254450R415864/TX
03

Carriers this unit has run under

4 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ART TRANSPORT INC1058546Jun 26, 2026Jun 26, 20261AR
PREFERRED MATERIALS INC1072241Sep 1, 2025Sep 1, 20251LA
PREFERRED TANK LINES LLC2316473Mar 27, 2025May 17, 20252LA
COSTLOW ENTERPRISES LLC3254450May 8, 2024May 8, 20241TX
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.
P291243LA1ART TRANSPORT INCJun 26, 2026Jun 26, 20261
P291243LAPREFERRED MATERIALS INCSep 1, 2025Sep 1, 20251
P291243LAPREFERRED TANK LINES LLCMar 27, 2025May 17, 20252
R415864TXCOSTLOW ENTERPRISES LLCMay 8, 2024May 8, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 30, 2026