Equipment unit · VIN-decoded · NHTSA vPIC

2018 Kenworth W9 Series

1XKWD40XXJJ198752 · Truck-Tractor · TRUCK
W900
Carriers run under3
30 mo
Inspections8
all-time
OOS inspections2
of 8
First seenJun 19, 2023
MA
Last seenDec 18, 2025
CT
Inspected under 3 different carriers in 30 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
1XKWD40XXJJ198752
Make
Kenworth
Model
W9 Series
Model year
2018
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 21, 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
1XK

Deterministic · VIN positions 1–3.

Vehicle descriptor section
WD40X

Deterministic · VIN positions 4–8.

Check digit
X · valid

Deterministic · position 9; calculated value X.

Model year candidates
1988 or 2018

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

North American serial sequence
198752

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 · 1,108 decoded VINs at 99.0% prefix purity.

Model
W9 Series

Prefix basis · 1,108 decoded VINs at 99.0% prefix purity.

Model line
W900

Sourced label · prefix basis 1,108 decoded VINs at 99.0% 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
2018

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-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

  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Jun 19, 2023 – Dec 18, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Dec 18, 2025CTII · Walk-around2OOSUNITED SERVICE COMPANY LLC 34471241AK84J/MA
Sep 4, 2025MAIII · Driver-only1UNITED SERVICE COMPANY LLC 34471241AK84J/MA
Jan 18, 2025MAIII · Driver-only1ABDEL B TRANSPORT LLC 32344971AJ75H/MA
Mar 15, 2024MAII · Walk-around2AMERICAN ENVIRONMENTAL INC 15999886086A/MA
Jan 23, 2024MAII · Walk-around8AMERICAN ENVIRONMENTAL INC 15999886086A/MA
Oct 24, 2023MAIII · Driver-only1AMERICAN ENVIRONMENTAL INC 15999886086A/MA
Aug 15, 2023MAII · Walk-around2AMERICAN ENVIRONMENTAL INC 15999886086A/MA
Jun 19, 2023MAII · Walk-around2OOSAMERICAN ENVIRONMENTAL INC 15999886086A/CT
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
UNITED SERVICE COMPANY LLC3447124Sep 4, 2025Dec 18, 20252MA
ABDEL B TRANSPORT LLC3234497Jan 18, 2025Jan 18, 20251MA
AMERICAN ENVIRONMENTAL INC1599988Jun 19, 2023Mar 15, 20245MA
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.
1AK84JMAUNITED SERVICE COMPANY LLCSep 4, 2025Dec 18, 20252
1AJ75HMAABDEL B TRANSPORT LLCJan 18, 2025Jan 18, 20251
6086AMAAMERICAN ENVIRONMENTAL INCAug 15, 2023Mar 15, 20244
6086ACTAMERICAN ENVIRONMENTAL INCJun 19, 2023Jun 19, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026