Equipment unit · VIN-decoded · NHTSA vPIC

2017 Peterbilt 389

1XPXD49X8HD390956 · Truck-Tractor · TRUCK
Carriers run under4
19 mo
Inspections5
all-time
OOS inspections2
of 5
First seenNov 22, 2023
OK
Last seenJun 6, 2025
IA
Inspected under 4 different carriers in 19 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
1XPXD49X8HD390956
Make
Peterbilt
Model
389
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 29, 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
XD49X

Deterministic · VIN positions 4–8.

Check digit
8 · valid

Deterministic · position 9; calculated value 8.

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
390956

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 · 12,357 decoded VINs at 100.0% prefix purity.

Model
389

Prefix basis · 12,357 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
389

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 · Nov 22, 2023 – Jun 6, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 6, 2025IAII · Walk-around1OOSSTEEL FLEET TRANSPORT LLC 3566529P287108/LA
Feb 10, 2025KSII · Walk-around3OOSIRON FLEET TRANSPORT LLC 3199332P287108/LA
Feb 6, 2025NEIII · Driver-only2IRON FLEET TRANSPORT LLC 3199332P287108/LA
Nov 22, 2024NCIII · Driver-only0CAROLINA LOGISTIC INC 2073146P287108/LA
Nov 22, 2023OKIII · Driver-only0ASPHALT EXPRESS ENTERPRISES LLC 15160243HM326/OK
03

Carriers this unit has run under

4 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
STEEL FLEET TRANSPORT LLC3566529Jun 6, 2025Jun 6, 20251IN
IRON FLEET TRANSPORT LLC3199332Feb 6, 2025Feb 10, 20252IL
CAROLINA LOGISTIC INC2073146Nov 22, 2024Nov 22, 20241NC
ASPHALT EXPRESS ENTERPRISES LLC1516024Nov 22, 2023Nov 22, 20231OK
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.
P287108LASTEEL FLEET TRANSPORT LLCJun 6, 2025Jun 6, 20251
P287108LAIRON FLEET TRANSPORT LLCFeb 6, 2025Feb 10, 20252
P287108LACAROLINA LOGISTIC INCNov 22, 2024Nov 22, 20241
3HM326OKASPHALT EXPRESS ENTERPRISES LLCNov 22, 2023Nov 22, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 29, 2026