Equipment unit · VIN-decoded · NHTSA vPIC

2017 Peterbilt 587

1XP4DP9X1HD420190 · Truck-Tractor · TRUCK
Carriers run under3
31 mo
Inspections6
all-time
OOS inspections1
of 6
First seenAug 1, 2023
IL
Last seenMar 18, 2026
KY
Inspected under 3 different carriers in 31 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
1XP4DP9X1HD420190
Make
Peterbilt
Model
587
Model year
2017
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 24, 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
4DP9X

Deterministic · VIN positions 4–8.

Check digit
1 · valid

Deterministic · position 9; calculated value 1.

Model year candidates
1987 or 2017

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

North American serial sequence
420190

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 · 222 decoded VINs at 100.0% prefix purity.

Model
587

Prefix basis · 222 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
2017

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 · Aug 1, 2023 – Mar 18, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 18, 2026KYII · Walk-around4OOSS & W TRUCKING CORP 1075570P1192373/IL
Oct 10, 2025MIII · Walk-around2S & W TRUCKING CORP 1075570P1192373/IL
Oct 4, 2025INIII · Driver-only1S & W TRUCKING CORP 1075570P119373/IL
Jul 24, 2024MIIII · Driver-only1SOBOTRANZ INC 4182489P1192373/IL
May 3, 2024MNIII · Driver-only2SOBOTRANZ INC 4182489P1192373/IL
Aug 1, 2023ILIII · Driver-only1NORTON TRUCKING INC 1951091P1192373/IL
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
S & W TRUCKING CORP1075570Oct 4, 2025Mar 18, 20263IL
SOBOTRANZ INC4182489May 3, 2024Jul 24, 20242IL
NORTON TRUCKING INC1951091Aug 1, 2023Aug 1, 20231IL
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.
P1192373ILS & W TRUCKING CORPOct 10, 2025Mar 18, 20262
P119373ILS & W TRUCKING CORPOct 4, 2025Oct 4, 20251
P1192373ILSOBOTRANZ INCMay 3, 2024Jul 24, 20242
P1192373ILNORTON TRUCKING INCAug 1, 2023Aug 1, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 24, 2026