Equipment unit · VIN-decoded · NHTSA vPIC

2020 Kenworth W9 Series

1NKWL40X6LR387710 · Truck · INCOMPLETE VEHICLE
W900
Carriers run under2
18 mo
Inspections3
all-time
OOS inspections0
of 3
First seenJul 1, 2024
PA
Last seenJan 15, 2026
PA
Inspected under 2 different carriers in 18 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
1NKWL40X6LR387710
Make
Kenworth
Model
W9 Series
Model year
2020
Body class
Truck
Vehicle type
INCOMPLETE VEHICLE
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jul 26, 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
1NK

Deterministic · VIN positions 1–3.

Vehicle descriptor section
WL40X

Deterministic · VIN positions 4–8.

Check digit
6 · valid

Deterministic · position 9; calculated value 6.

Model year candidates
1990 or 2020

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

North American serial sequence
387710

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
KENWORTH

Prefix basis · 193 decoded VINs at 98.5% prefix purity.

Model
W9 Series

Prefix basis · 193 decoded VINs at 98.5% prefix purity.

Model line
W900

Sourced label · prefix basis 193 decoded VINs at 98.5% prefix purity.

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
2020

Observed directly for this VIN via NHTSA vPIC.

Observed make
KENWORTH

Observed directly for this VIN via NHTSA vPIC.

Observed model
W9 Series

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Truck

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
INCOMPLETE VEHICLE

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

  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Jul 1, 2024 – Jan 15, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jan 15, 2026PAIII · Driver-only0FENTON WELDING TRANSPORT LLC 2106940AH68642/PA
Nov 4, 2024PAIII · Driver-only0SOUTHSIDE TRANSFER SERVICES LLC 2325992AG87964/PA
Jul 1, 2024PAII · Walk-around4SOUTHSIDE TRANSFER SERVICES LLC 2325992AG87964/PA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
FENTON WELDING TRANSPORT LLC2106940Jan 15, 2026Jan 15, 20261PA
SOUTHSIDE TRANSFER SERVICES LLC2325992Jul 1, 2024Nov 4, 20242PA
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.
AH68642PAFENTON WELDING TRANSPORT LLCJan 15, 2026Jan 15, 20261
AG87964PASOUTHSIDE TRANSFER SERVICES LLCJul 1, 2024Nov 4, 20242
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 26, 2026